v3.0.1

Signed-off-by: Dinger <quantdinger@gmail.com>

backend_api_python/Dockerfile

@@ -11,6 +11,7 @@ WORKDIR /app
 RUN sed -i 's|http://deb.debian.org|https://deb.debian.org|g' /etc/apt/sources.list.d/*.sources 2>/dev/null || true \
     && apt-get update \
     && apt-get install -y --no-install-recommends --fix-missing \
+    ca-certificates \
     curl \
     # Build deps (needed for some pyproject-based packages like ed25519-blake2b)
     build-essential \

backend_api_python/app/config/api_keys.py

@@ -18,6 +18,15 @@ class MetaAPIKeys(type):
         from app.utils.config_loader import load_addon_config
         val = load_addon_config().get('tiingo', {}).get('api_key')
         return val if val else os.getenv('TIINGO_API_KEY', '')
+
+    @property
+    def TWELVE_DATA_API_KEY(cls):
+        env_val = os.getenv('TWELVE_DATA_API_KEY', '').strip()
+        if env_val:
+            return env_val
+        from app.utils.config_loader import load_addon_config
+        val = load_addon_config().get('twelve_data', {}).get('api_key')
+        return val if val else ''
     
     @property
     def OPENROUTER_API_KEY(cls):

backend_api_python/app/data_sources/asia_stock_kline.py

@@ -0,0 +1,566 @@
+"""
+A-share / H-share chart K-lines — multi-tier fallback.
+
+Priority order (when TWELVE_DATA_API_KEY is configured):
+  ALL timeframes → Twelve Data (paid, globally stable) → Tencent daily/weekly → yfinance → AkShare
+
+Without API key:
+  Daily / Weekly → Tencent fqkline (fast, no key) → yfinance → AkShare
+  Minute / Hour → yfinance → AkShare (Eastmoney, fragile overseas)
+
+Tencent ``fqkline`` only reliably supports day/week/month.
+yfinance supports CN (.SS/.SZ) and HK (.HK) at all common intervals.
+Twelve Data (https://twelvedata.com) supports XSHG/XSHE/XHKG at all intervals.
+"""
+
+from __future__ import annotations
+
+import os
+import time
+from datetime import datetime, timedelta
+from typing import Any, Dict, List, Optional
+
+import pandas as pd
+import requests
+
+from app.utils.logger import get_logger
+
+logger = get_logger(__name__)
+
+_MAX_ATTEMPTS = 3
+_BACKOFF_BASE_SEC = 1.5
+_BACKOFF_CAP_SEC = 12.0
+
+_TRANSIENT_ERR_MARKERS = (
+    "remote end closed connection",
+    "connection aborted",
+    "connection reset",
+    "timed out",
+    "timeout",
+    "max retries exceeded",
+    "temporarily unavailable",
+    "broken pipe",
+    "eof occurred",
+    "remote disconnected",
+    "chunkedencodingerror",
+    "incompleteread",
+    "rate",
+    "too many requests",
+    "429",
+)
+
+
+def _is_transient(exc: BaseException) -> bool:
+    return any(m in str(exc).lower() for m in _TRANSIENT_ERR_MARKERS)
+
+
+_CHART_TF_ALIASES = {
+    "1w": "1W",
+    "1d": "1D",
+    "1h": "1H",
+    "4h": "4H",
+    "d": "1D",
+    "day": "1D",
+    "w": "1W",
+    "week": "1W",
+    "wk": "1W",
+    "60m": "1H",
+    "240m": "4H",
+    "1day": "1D",
+    "1week": "1W",
+}
+
+
+def normalize_chart_timeframe(timeframe: str) -> str:
+    t = (timeframe or "1D").strip()
+    if not t:
+        return "1D"
+    key = t.lower()
+    if key in _CHART_TF_ALIASES:
+        return _CHART_TF_ALIASES[key]
+    return t
+
+
+# ---------------------------------------------------------------------------
+# AkShare code converters
+# ---------------------------------------------------------------------------
+
+def ak_a_code_from_tencent(tencent_code: str) -> str:
+    c = (tencent_code or "").strip().lower()
+    if len(c) >= 8 and c[:2] in ("sh", "sz"):
+        return c[2:]
+    return c
+
+
+def ak_hk_code_from_tencent(tencent_code: str) -> str:
+    c = (tencent_code or "").strip().upper().replace(".HK", "")
+    if c.startswith("HK"):
+        num = c[2:]
+    else:
+        num = c
+    if num.isdigit():
+        return num.zfill(5)
+    return num
+
+
+# ---------------------------------------------------------------------------
+# Twelve Data (paid, globally reliable — https://twelvedata.com)
+# ---------------------------------------------------------------------------
+
+def _get_twelve_data_api_key() -> str:
+    try:
+        from app.utils.config_loader import load_addon_config
+        key = load_addon_config().get("twelve_data", {}).get("api_key", "")
+        if key:
+            return key
+    except Exception:
+        pass
+    return (os.getenv("TWELVE_DATA_API_KEY") or "").strip()
+
+
+_TD_INTERVAL_MAP = {
+    "1m": "1min",
+    "5m": "5min",
+    "15m": "15min",
+    "30m": "30min",
+    "1H": "1h",
+    "4H": "4h",
+    "1D": "1day",
+    "1W": "1week",
+}
+
+
+def _td_symbol_and_exchange(tencent_code: str, is_hk: bool) -> tuple[str, str]:
+    """Convert Tencent code to Twelve Data (symbol, exchange)."""
+    c = (tencent_code or "").strip().upper()
+    if is_hk:
+        num = c.replace("HK", "")
+        if num.isdigit():
+            num = str(int(num)).zfill(4)
+        return num, "XHKG"
+    digits = c.lstrip("SHSZ")
+    if c.startswith("SH") or digits.startswith("6"):
+        return digits, "XSHG"
+    return digits, "XSHE"
+
+
+def fetch_twelvedata_klines(
+    *,
+    is_hk: bool,
+    tencent_code: str,
+    timeframe: str,
+    limit: int,
+    before_time: Optional[int],
+) -> List[Dict[str, Any]]:
+    """Fetch K-lines from Twelve Data REST API. Requires TWELVE_DATA_API_KEY."""
+    api_key = _get_twelve_data_api_key()
+    if not api_key:
+        return []
+
+    interval = _TD_INTERVAL_MAP.get(timeframe)
+    if not interval:
+        return []
+
+    symbol, exchange = _td_symbol_and_exchange(tencent_code, is_hk)
+    params: Dict[str, Any] = {
+        "symbol": symbol,
+        "exchange": exchange,
+        "interval": interval,
+        "outputsize": min(int(limit), 5000),
+        "apikey": api_key,
+        "format": "JSON",
+        "dp": "4",
+    }
+    if before_time:
+        end_dt = datetime.fromtimestamp(int(before_time))
+        params["end_date"] = end_dt.strftime("%Y-%m-%d %H:%M:%S")
+
+    url = "https://api.twelvedata.com/time_series"
+
+    for attempt in range(_MAX_ATTEMPTS):
+        try:
+            resp = requests.get(url, params=params, timeout=20)
+            data = resp.json()
+            break
+        except Exception as e:
+            if attempt + 1 < _MAX_ATTEMPTS and _is_transient(e):
+                delay = min(_BACKOFF_CAP_SEC, _BACKOFF_BASE_SEC * (2 ** attempt))
+                logger.debug(
+                    "TwelveData transient error %s/%s tf=%s (attempt %s/%s): %s",
+                    symbol, exchange, timeframe, attempt + 1, _MAX_ATTEMPTS, e,
+                )
+                time.sleep(delay)
+                continue
+            logger.warning("TwelveData request failed %s/%s tf=%s: %s", symbol, exchange, timeframe, e)
+            return []
+    else:
+        return []
+
+    if data.get("status") != "ok" or "values" not in data:
+        code = data.get("code", "")
+        msg = data.get("message", str(data))
+        if code == 429 or "API credits" in msg or "minute limit" in msg:
+            logger.warning("TwelveData rate limit for %s/%s: %s", symbol, exchange, msg)
+        else:
+            logger.warning("TwelveData error %s/%s tf=%s: %s", symbol, exchange, timeframe, msg)
+        return []
+
+    out: List[Dict[str, Any]] = []
+    for v in data["values"]:
+        try:
+            dt_str = v.get("datetime", "")
+            for fmt in ("%Y-%m-%d %H:%M:%S", "%Y-%m-%d"):
+                try:
+                    ts = int(datetime.strptime(dt_str, fmt).timestamp())
+                    break
+                except ValueError:
+                    continue
+            else:
+                continue
+            o = float(v["open"])
+            h = float(v["high"])
+            low = float(v["low"])
+            c = float(v["close"])
+            vol = float(v.get("volume") or 0)
+            if o == 0 and c == 0:
+                continue
+            out.append({
+                "time": ts,
+                "open": round(o, 4),
+                "high": round(h, 4),
+                "low": round(low, 4),
+                "close": round(c, 4),
+                "volume": round(vol, 2),
+            })
+        except Exception:
+            continue
+
+    out.sort(key=lambda x: x["time"])
+    logger.debug("TwelveData returned %d bars for %s/%s tf=%s", len(out), symbol, exchange, timeframe)
+    return out
+
+
+# ---------------------------------------------------------------------------
+# yfinance helpers (globally accessible — Yahoo CDN)
+# ---------------------------------------------------------------------------
+
+def yf_symbol_from_tencent(tencent_code: str, is_hk: bool) -> str:
+    """Convert Tencent-style code (SH600519 / SZ000001 / HK00700) to yfinance ticker."""
+    c = (tencent_code or "").strip().upper()
+    if is_hk:
+        num = c.replace("HK", "")
+        if num.isdigit():
+            return str(int(num)).zfill(4) + ".HK"
+        return num + ".HK"
+    if c.startswith("SH"):
+        return c[2:] + ".SS"
+    if c.startswith("SZ"):
+        return c[2:] + ".SZ"
+    digits = c.lstrip("SHSZ")
+    if digits.startswith("6"):
+        return digits + ".SS"
+    return digits + ".SZ"
+
+
+_YF_INTERVAL_MAP = {
+    "1m": "1m",
+    "5m": "5m",
+    "15m": "15m",
+    "30m": "30m",
+    "1H": "1h",
+    "4H": "1h",
+    "1D": "1d",
+    "1W": "1wk",
+}
+
+_YF_DAYS_MAP = {
+    "1m": lambda lim: min(7, max(2, (lim // 240) + 2)),
+    "5m": lambda lim: min(60, max(3, (lim // 48) + 3)),
+    "15m": lambda lim: min(60, max(3, (lim // 16) + 3)),
+    "30m": lambda lim: min(60, max(5, (lim // 8) + 5)),
+    "1H": lambda lim: min(730, max(8, (lim // 4) + 8)),
+    "4H": lambda lim: min(730, max(20, lim + 10)),
+    "1D": lambda lim: min(3650, lim + 10),
+    "1W": lambda lim: min(3650, lim * 7 + 30),
+}
+
+
+def _bars_from_yfinance_df(df: Any) -> List[Dict[str, Any]]:
+    """Convert a yfinance DataFrame (with DatetimeIndex or Date/Datetime column) to bar dicts."""
+    if df is None or getattr(df, "empty", True):
+        return []
+    df = df.reset_index()
+    time_col = None
+    for candidate in ("Datetime", "Date", "index"):
+        if candidate in df.columns:
+            time_col = candidate
+            break
+    if time_col is None:
+        return []
+    out: List[Dict[str, Any]] = []
+    for _, row in df.iterrows():
+        try:
+            tv = row[time_col]
+            if hasattr(tv, "timestamp"):
+                ts = int(tv.timestamp())
+            else:
+                continue
+            o, h, low, c, v = (
+                float(row["Open"]),
+                float(row["High"]),
+                float(row["Low"]),
+                float(row["Close"]),
+                float(row["Volume"]),
+            )
+            if o == 0 and c == 0:
+                continue
+            out.append({
+                "time": ts,
+                "open": round(o, 4),
+                "high": round(h, 4),
+                "low": round(low, 4),
+                "close": round(c, 4),
+                "volume": round(v, 2),
+            })
+        except Exception:
+            continue
+    out.sort(key=lambda x: x["time"])
+    return out
+
+
+def fetch_yfinance_klines(
+    *,
+    is_hk: bool,
+    tencent_code: str,
+    timeframe: str,
+    limit: int,
+    before_time: Optional[int],
+) -> List[Dict[str, Any]]:
+    """Fetch K-lines via yfinance for CN/HK stocks. Globally accessible, no API key needed."""
+    try:
+        import yfinance as yf
+    except ImportError:
+        logger.debug("yfinance not installed; skipping yfinance K-lines")
+        return []
+
+    interval = _YF_INTERVAL_MAP.get(timeframe)
+    if not interval:
+        return []
+
+    yf_sym = yf_symbol_from_tencent(tencent_code, is_hk)
+    effective_limit = limit * 4 if timeframe == "4H" else limit
+    days_func = _YF_DAYS_MAP.get(timeframe, lambda x: x + 10)
+    days = days_func(effective_limit)
+
+    end = datetime.fromtimestamp(int(before_time)) if before_time else datetime.now()
+    start = end - timedelta(days=days)
+
+    df: Any = None
+    for attempt in range(_MAX_ATTEMPTS):
+        try:
+            ticker = yf.Ticker(yf_sym)
+            df = ticker.history(
+                start=start.strftime("%Y-%m-%d"),
+                end=(end + timedelta(days=1)).strftime("%Y-%m-%d"),
+                interval=interval,
+            )
+            break
+        except Exception as e:
+            if attempt + 1 < _MAX_ATTEMPTS and _is_transient(e):
+                delay = min(_BACKOFF_CAP_SEC, _BACKOFF_BASE_SEC * (2 ** attempt))
+                logger.debug(
+                    "yfinance transient error %s tf=%s (attempt %s/%s), retry in %.1fs: %s",
+                    yf_sym, timeframe, attempt + 1, _MAX_ATTEMPTS, delay, e,
+                )
+                time.sleep(delay)
+                continue
+            logger.warning("yfinance K-line failed %s tf=%s: %s", yf_sym, timeframe, e)
+            return []
+
+    bars = _bars_from_yfinance_df(df)
+    if timeframe == "4H" and bars:
+        bars = _merge_every_n_sorted_bars(bars, 4)
+    logger.debug("yfinance returned %d bars for %s tf=%s", len(bars), yf_sym, timeframe)
+    return bars
+
+
+# ---------------------------------------------------------------------------
+# AkShare helpers (Eastmoney — unreliable from overseas, used as last resort)
+# ---------------------------------------------------------------------------
+
+def _minute_period_str(timeframe: str) -> Optional[str]:
+    return {"1m": "1", "5m": "5", "15m": "15", "30m": "30", "1H": "60", "4H": "60"}.get(timeframe)
+
+
+def _min_bar_window(timeframe: str, limit: int, before_time: Optional[int]) -> tuple[str, str]:
+    _ = (timeframe, limit)
+    end = datetime.fromtimestamp(int(before_time)) if before_time else datetime.now()
+    start = end - timedelta(days=16)
+    fmt = "%Y-%m-%d %H:%M:%S"
+    return start.strftime(fmt), end.strftime(fmt)
+
+
+def _bars_from_ak_min_df(df: Any) -> List[Dict[str, Any]]:
+    if df is None or getattr(df, "empty", True):
+        return []
+    cols = [str(x) for x in df.columns]
+    time_c = "时间" if "时间" in cols else (cols[0] if len(cols) > 5 else None)
+    if not time_c:
+        return []
+
+    def _pick(name_zh: str, idx: int) -> str:
+        return name_zh if name_zh in cols else (cols[idx] if len(cols) > idx else "")
+
+    c_open = _pick("开盘", 1)
+    c_close = _pick("收盘", 2)
+    c_high = _pick("最高", 3)
+    c_low = _pick("最低", 4)
+    c_vol = _pick("成交量", 5)
+    if not all((c_open, c_close, c_high, c_low, c_vol)):
+        return []
+
+    out: List[Dict[str, Any]] = []
+    for _, row in df.iterrows():
+        try:
+            t = pd.Timestamp(row[time_c])
+            ts = int(t.timestamp())
+            o, c, h, low, v = float(row[c_open]), float(row[c_close]), float(row[c_high]), float(row[c_low]), float(row[c_vol])
+            out.append({
+                "time": ts,
+                "open": round(o, 4),
+                "high": round(h, 4),
+                "low": round(low, 4),
+                "close": round(c, 4),
+                "volume": round(v, 2),
+            })
+        except Exception:
+            continue
+    out.sort(key=lambda x: x["time"])
+    return out
+
+
+def _merge_every_n_sorted_bars(bars: List[Dict[str, Any]], n: int) -> List[Dict[str, Any]]:
+    if n <= 1 or len(bars) < n:
+        return bars
+    out: List[Dict[str, Any]] = []
+    i = 0
+    while i + n <= len(bars):
+        chunk = bars[i : i + n]
+        out.append({
+            "time": chunk[0]["time"],
+            "open": chunk[0]["open"],
+            "high": max(b["high"] for b in chunk),
+            "low": min(b["low"] for b in chunk),
+            "close": chunk[-1]["close"],
+            "volume": round(sum(b["volume"] for b in chunk), 2),
+        })
+        i += n
+    return out
+
+
+def fetch_akshare_minute_klines(
+    *,
+    is_hk: bool,
+    tencent_code: str,
+    timeframe: str,
+    limit: int,
+    before_time: Optional[int],
+) -> List[Dict[str, Any]]:
+    p = _minute_period_str(timeframe)
+    if p is None:
+        return []
+    try:
+        import akshare as ak  # type: ignore
+    except ImportError:
+        logger.debug("akshare not installed; skipping AkShare minute K-lines")
+        return []
+
+    sym = ak_hk_code_from_tencent(tencent_code) if is_hk else ak_a_code_from_tencent(tencent_code)
+    sd, ed = _min_bar_window(timeframe, limit, before_time)
+    adj = "" if p == "1" else "qfq"
+
+    df: Any = None
+    for attempt in range(_MAX_ATTEMPTS):
+        try:
+            if is_hk:
+                df = ak.stock_hk_hist_min_em(symbol=sym, period=p, adjust=adj, start_date=sd, end_date=ed)
+            else:
+                df = ak.stock_zh_a_hist_min_em(symbol=sym, start_date=sd, end_date=ed, period=p, adjust=adj)
+            break
+        except Exception as e:
+            if attempt + 1 < _MAX_ATTEMPTS and _is_transient(e):
+                delay = min(_BACKOFF_CAP_SEC, _BACKOFF_BASE_SEC * (2 ** attempt))
+                logger.debug(
+                    "AkShare minute transient error %s tf=%s sym=%s (attempt %s/%s): %s",
+                    tencent_code, timeframe, sym, attempt + 1, _MAX_ATTEMPTS, e,
+                )
+                time.sleep(delay)
+                continue
+            logger.warning("AkShare minute K-line failed %s tf=%s sym=%s: %s", tencent_code, timeframe, sym, e)
+            return []
+
+    bars = _bars_from_ak_min_df(df)
+    if timeframe == "4H" and bars:
+        bars = _merge_every_n_sorted_bars(bars, 4)
+    return bars
+
+
+def fetch_akshare_weekly_klines(
+    *,
+    is_hk: bool,
+    tencent_code: str,
+    limit: int,
+    before_time: Optional[int],
+) -> List[Dict[str, Any]]:
+    try:
+        import akshare as ak  # type: ignore
+    except ImportError:
+        return []
+
+    sym = ak_hk_code_from_tencent(tencent_code) if is_hk else ak_a_code_from_tencent(tencent_code)
+    end = datetime.fromtimestamp(int(before_time)) if before_time else datetime.now()
+    start = end - timedelta(days=max(int(limit or 300), 1) * 14 + 400)
+    start_s = start.strftime("%Y%m%d")
+    end_s = end.strftime("%Y%m%d")
+
+    df: Any = None
+    for attempt in range(_MAX_ATTEMPTS):
+        try:
+            if is_hk:
+                df = ak.stock_hk_hist(symbol=sym, period="weekly", start_date=start_s, end_date=end_s, adjust="qfq")
+            else:
+                df = ak.stock_zh_a_hist(symbol=sym, period="weekly", start_date=start_s, end_date=end_s, adjust="qfq")
+            break
+        except Exception as e:
+            if attempt + 1 < _MAX_ATTEMPTS and _is_transient(e):
+                delay = min(_BACKOFF_CAP_SEC, _BACKOFF_BASE_SEC * (2 ** attempt))
+                logger.debug(
+                    "AkShare weekly transient error sym=%s (attempt %s/%s): %s",
+                    sym, attempt + 1, _MAX_ATTEMPTS, e,
+                )
+                time.sleep(delay)
+                continue
+            logger.warning("AkShare weekly K-line failed sym=%s: %s", sym, e)
+            return []
+
+    if df is None or getattr(df, "empty", True) or "日期" not in df.columns:
+        return []
+    out: List[Dict[str, Any]] = []
+    for _, row in df.iterrows():
+        try:
+            t = pd.Timestamp(row["日期"])
+            ts = int(t.timestamp())
+            o, c, h, low = float(row["开盘"]), float(row["收盘"]), float(row["最高"]), float(row["最低"])
+            v = float(row["成交量"])
+            out.append({
+                "time": ts,
+                "open": round(o, 4),
+                "high": round(h, 4),
+                "low": round(low, 4),
+                "close": round(c, 4),
+                "volume": round(v, 2),
+            })
+        except Exception:
+            continue
+    out.sort(key=lambda x: x["time"])
+    return out

backend_api_python/app/data_sources/cn_hk_fundamentals.py

@@ -0,0 +1,292 @@
+"""
+A-share / HK share fundamentals — multi-tier fallback.
+
+Priority (when TWELVE_DATA_API_KEY configured):
+  Twelve Data /statistics + /profile  →  AkShare (Eastmoney, fragile overseas)
+
+Without API key:
+  AkShare only (may fail from overseas servers)
+
+Keys are aligned with MarketDataCollector expectations (pe_ratio, pb_ratio, etc.).
+"""
+
+from __future__ import annotations
+
+import math
+import time
+from typing import Any, Dict, Optional
+
+import requests
+
+from app.data_sources.asia_stock_kline import (
+    _get_twelve_data_api_key,
+    _td_symbol_and_exchange,
+    ak_a_code_from_tencent,
+    ak_hk_code_from_tencent,
+)
+from app.utils.logger import get_logger
+
+logger = get_logger(__name__)
+
+_TD_TIMEOUT = 15
+_TD_MAX_ATTEMPTS = 2
+_TD_BACKOFF_SEC = 2.0
+
+
+def _float_clean(x: Any) -> Optional[float]:
+    if x is None or x == "":
+        return None
+    try:
+        v = float(x)
+        if math.isnan(v) or math.isinf(v):
+            return None
+        return v
+    except (TypeError, ValueError):
+        return None
+
+
+# ---------------------------------------------------------------------------
+# Twelve Data fundamentals (globally stable, paid)
+# ---------------------------------------------------------------------------
+
+def _td_request(endpoint: str, symbol: str, exchange: str) -> Optional[Dict[str, Any]]:
+    """Generic Twelve Data GET with retry."""
+    api_key = _get_twelve_data_api_key()
+    if not api_key:
+        return None
+    url = f"https://api.twelvedata.com{endpoint}"
+    params = {"symbol": symbol, "exchange": exchange, "apikey": api_key}
+    for attempt in range(_TD_MAX_ATTEMPTS):
+        try:
+            resp = requests.get(url, params=params, timeout=_TD_TIMEOUT)
+            data = resp.json()
+            if data.get("status") == "error":
+                code = data.get("code", "")
+                msg = (data.get("message") or "")[:120]
+                if code == 429 or "API credits" in msg or "minute limit" in msg:
+                    logger.warning("TwelveData rate limit on %s %s/%s: %s", endpoint, symbol, exchange, msg)
+                else:
+                    logger.debug("TwelveData %s error %s/%s: %s", endpoint, symbol, exchange, msg)
+                return None
+            return data
+        except Exception as e:
+            if attempt + 1 < _TD_MAX_ATTEMPTS:
+                time.sleep(_TD_BACKOFF_SEC)
+                continue
+            logger.warning("TwelveData %s request failed %s/%s: %s", endpoint, symbol, exchange, e)
+    return None
+
+
+def fetch_twelvedata_fundamental(tencent_code: str, is_hk: bool) -> Dict[str, Any]:
+    """Fetch PE/PB/PS/PEG/ROE/margin/market_cap/52w from Twelve Data /statistics."""
+    symbol, exchange = _td_symbol_and_exchange(tencent_code, is_hk)
+    data = _td_request("/statistics", symbol, exchange)
+    if not data or "statistics" not in data:
+        return {}
+
+    stats = data["statistics"]
+    result: Dict[str, Any] = {"source": "twelvedata"}
+
+    vm = stats.get("valuations_metrics") or {}
+    result["market_cap"] = _float_clean(vm.get("market_capitalization"))
+    result["pe_ratio"] = _float_clean(vm.get("trailing_pe"))
+    result["forward_pe"] = _float_clean(vm.get("forward_pe"))
+    result["pb_ratio"] = _float_clean(vm.get("price_to_book_mrq"))
+    result["ps_ratio"] = _float_clean(vm.get("price_to_sales_ttm"))
+    result["peg"] = _float_clean(vm.get("peg_ratio"))
+    result["enterprise_value"] = _float_clean(vm.get("enterprise_value"))
+
+    fin = stats.get("financials") or {}
+    result["profit_margin"] = _float_clean(fin.get("profit_margin"))
+    result["gross_margin"] = _float_clean(fin.get("gross_margin"))
+    result["operating_margin"] = _float_clean(fin.get("operating_margin"))
+    result["roe"] = _float_clean(fin.get("return_on_equity_ttm"))
+    result["roa"] = _float_clean(fin.get("return_on_assets_ttm"))
+
+    ss = stats.get("stock_statistics") or {}
+    result["total_shares"] = _float_clean(ss.get("shares_outstanding"))
+    result["float_shares"] = _float_clean(ss.get("float_shares"))
+
+    sp = stats.get("stock_price_summary") or {}
+    result["52w_high"] = _float_clean(sp.get("fifty_two_week_high"))
+    result["52w_low"] = _float_clean(sp.get("fifty_two_week_low"))
+    result["beta"] = _float_clean(sp.get("beta"))
+
+    div = stats.get("dividends_and_splits") or {}
+    result["dividend_yield"] = _float_clean(div.get("trailing_annual_dividend_yield"))
+    result["dividend_rate"] = _float_clean(div.get("trailing_annual_dividend_rate"))
+
+    non_null = sum(1 for v in result.values() if v is not None and v != "twelvedata")
+    logger.debug("TwelveData /statistics %s/%s: %d non-null fields", symbol, exchange, non_null)
+    return result
+
+
+def fetch_twelvedata_profile(tencent_code: str, is_hk: bool) -> Dict[str, Any]:
+    """Fetch company info from Twelve Data /profile."""
+    symbol, exchange = _td_symbol_and_exchange(tencent_code, is_hk)
+    data = _td_request("/profile", symbol, exchange)
+    if not data or not data.get("name"):
+        return {}
+
+    out: Dict[str, Any] = {"source": "twelvedata"}
+    for src, dst in (
+        ("name", "name"),
+        ("industry", "industry"),
+        ("sector", "sector"),
+        ("website", "website"),
+        ("description", "description"),
+        ("employees", "employees"),
+        ("name", "full_name"),
+    ):
+        v = data.get(src)
+        if v is not None and str(v).strip():
+            out[dst] = str(v).strip() if isinstance(v, str) else v
+
+    country = data.get("country")
+    if country:
+        out["country"] = country
+
+    logger.debug("TwelveData /profile %s/%s: name=%s industry=%s", symbol, exchange, out.get("name"), out.get("industry"))
+    return out
+
+
+# ---------------------------------------------------------------------------
+# AkShare fundamentals (Eastmoney — fragile overseas, used as fallback)
+# ---------------------------------------------------------------------------
+
+def _eastmoney_a_em_symbol(tencent_code: str) -> str:
+    c = ak_a_code_from_tencent(tencent_code)
+    c = (c or "").zfill(6)
+    if c.startswith("6"):
+        return "SH" + c
+    return "SZ" + c
+
+
+def _individual_info_map(symbol_6: str) -> Dict[str, Any]:
+    out: Dict[str, Any] = {}
+    try:
+        import akshare as ak  # type: ignore
+        df = ak.stock_individual_info_em(symbol=symbol_6)
+    except Exception as e:
+        logger.debug("stock_individual_info_em failed %s: %s", symbol_6, e)
+        return out
+    if df is None or getattr(df, "empty", True) or len(df.columns) < 2:
+        return out
+    kcol, vcol = df.columns[0], df.columns[1]
+    for _, row in df.iterrows():
+        try:
+            k = str(row[kcol]).strip()
+            if k:
+                out[k] = row[vcol]
+        except Exception:
+            continue
+    return out
+
+
+def fetch_cn_fundamental_akshare(tencent_code: str) -> Dict[str, Any]:
+    """PE/PB/PS, market cap, ROE proxy, EPS for A-share (best-effort)."""
+    sym6 = ak_a_code_from_tencent(tencent_code)
+    if not sym6:
+        return {}
+    result: Dict[str, Any] = {"source": "akshare_em"}
+    info = _individual_info_map(sym6)
+    if info:
+        result["market_cap"] = _float_clean(info.get("总市值"))
+        result["float_market_cap"] = _float_clean(info.get("流通市值"))
+        ind = info.get("行业")
+        if ind is not None and str(ind).strip():
+            result["industry"] = str(ind).strip()
+        result["total_shares"] = _float_clean(info.get("总股本"))
+        result["float_shares"] = _float_clean(info.get("流通股"))
+
+    em_sym = _eastmoney_a_em_symbol(tencent_code)
+    try:
+        import akshare as ak  # type: ignore
+        vdf = ak.stock_zh_valuation_comparison_em(symbol=em_sym)
+    except Exception as e:
+        logger.debug("stock_zh_valuation_comparison_em failed %s: %s", em_sym, e)
+        vdf = None
+
+    if vdf is not None and not vdf.empty and "代码" in vdf.columns:
+        hit = vdf[vdf["代码"].astype(str).str.replace(".0", "", regex=False).str.zfill(6) == sym6.zfill(6)]
+        if not hit.empty:
+            r = hit.iloc[0]
+            pe = _float_clean(r.get("市盈率-TTM"))
+            if pe is not None:
+                result["pe_ratio"] = pe
+            pb = _float_clean(r.get("市净率-MRQ"))
+            if pb is not None:
+                result["pb_ratio"] = pb
+            ps = _float_clean(r.get("市销率-TTM"))
+            if ps is not None:
+                result["ps_ratio"] = ps
+            peg = _float_clean(r.get("PEG"))
+            if peg is not None:
+                result["peg"] = peg
+
+    return result
+
+
+def fetch_hk_fundamental_akshare(tencent_code: str) -> Dict[str, Any]:
+    hk5 = ak_hk_code_from_tencent(tencent_code)
+    if not hk5:
+        return {}
+    result: Dict[str, Any] = {"source": "akshare_em"}
+    try:
+        import akshare as ak  # type: ignore
+        df = ak.stock_hk_financial_indicator_em(symbol=hk5)
+    except Exception as e:
+        logger.debug("stock_hk_financial_indicator_em failed %s: %s", hk5, e)
+        return result
+    if df is None or df.empty:
+        return result
+    r = df.iloc[0]
+    result["pe_ratio"] = _float_clean(r.get("市盈率"))
+    result["pb_ratio"] = _float_clean(r.get("市净率"))
+    result["eps"] = _float_clean(r.get("基本每股收益(元)"))
+    result["roe"] = _float_clean(r.get("股东权益回报率(%)"))
+    result["profit_margin"] = _float_clean(r.get("销售净利率(%)"))
+    mcap = _float_clean(r.get("总市值(港元)")) or _float_clean(r.get("港股市值(港元)"))
+    if mcap is not None:
+        result["market_cap"] = mcap
+    result["dividend_yield"] = _float_clean(r.get("股息率TTM(%)"))
+    return result
+
+
+def fetch_cn_company_extras(tencent_code: str) -> Dict[str, Any]:
+    sym6 = ak_a_code_from_tencent(tencent_code)
+    if not sym6:
+        return {}
+    info = _individual_info_map(sym6)
+    out: Dict[str, Any] = {}
+    if info.get("行业"):
+        out["industry"] = str(info["行业"]).strip()
+    if info.get("上市时间"):
+        out["ipo_date"] = str(info["上市时间"]).strip()
+    return out
+
+
+def fetch_hk_company_extras(tencent_code: str) -> Dict[str, Any]:
+    hk5 = ak_hk_code_from_tencent(tencent_code)
+    if not hk5:
+        return {}
+    out: Dict[str, Any] = {}
+    try:
+        import akshare as ak  # type: ignore
+        df = ak.stock_hk_company_profile_em(symbol=hk5)
+    except Exception as e:
+        logger.debug("stock_hk_company_profile_em failed %s: %s", hk5, e)
+        return out
+    if df is None or df.empty:
+        return out
+    r = df.iloc[0]
+    for key, col in (
+        ("industry", "所属行业"),
+        ("ipo_date", "公司成立日期"),
+        ("website", "公司网址"),
+        ("full_name", "公司名称"),
+    ):
+        v = r.get(col)
+        if v is not None and str(v).strip():
+            out[key] = str(v).strip()
+    return out

backend_api_python/app/data_sources/cn_stock.py

@@ -0,0 +1,99 @@
+"""
+中国A股数据源 — 多层 fallback
+
+有 TWELVE_DATA_API_KEY:
+  所有周期 → Twelve Data（主） → 腾讯日/周线 → yfinance → AkShare
+
+无 API Key:
+  分钟/小时 → yfinance → AkShare
+  日/周线 → 腾讯 fqkline → yfinance → AkShare
+"""
+
+from __future__ import annotations
+
+from typing import Dict, List, Any, Optional
+
+from app.data_sources.base import BaseDataSource
+from app.data_sources.tencent import normalize_cn_code, fetch_quote, parse_quote_to_ticker, fetch_kline, tencent_kline_rows_to_dicts
+from app.data_sources.asia_stock_kline import (
+    normalize_chart_timeframe,
+    fetch_twelvedata_klines,
+    fetch_yfinance_klines,
+    fetch_akshare_minute_klines,
+    fetch_akshare_weekly_klines,
+)
+from app.utils.logger import get_logger
+
+logger = get_logger(__name__)
+
+
+class CNStockDataSource(BaseDataSource):
+    """A股数据源（TwelveData + Tencent + yfinance + AkShare）"""
+
+    name = "CNStock/multi-source"
+
+    def get_ticker(self, symbol: str) -> Dict[str, Any]:
+        code = normalize_cn_code(symbol)
+        parts = fetch_quote(code)
+        if not parts:
+            return {"last": 0, "symbol": code}
+        t = parse_quote_to_ticker(parts)
+        return {
+            "last": t.get("last", 0),
+            "change": t.get("change", 0),
+            "changePercent": t.get("changePercent", 0),
+            "high": t.get("high", 0),
+            "low": t.get("low", 0),
+            "open": t.get("open", 0),
+            "previousClose": t.get("previousClose", 0),
+            "name": t.get("name", ""),
+            "symbol": code,
+        }
+
+    def get_kline(
+        self,
+        symbol: str,
+        timeframe: str,
+        limit: int,
+        before_time: Optional[int] = None,
+    ) -> List[Dict[str, Any]]:
+        code = normalize_cn_code(symbol)
+        tf = normalize_chart_timeframe(timeframe)
+        lim = max(int(limit or 300), 1)
+
+        # Tier 1: Twelve Data (paid, most reliable)
+        rows = fetch_twelvedata_klines(
+            is_hk=False, tencent_code=code, timeframe=tf, limit=lim, before_time=before_time
+        )
+        if rows:
+            return self.filter_and_limit(rows, limit=lim, before_time=before_time)
+
+        # Tier 2: Tencent for daily/weekly (fast, free)
+        if tf in ("1D", "1W"):
+            tf_map = {"1D": "day", "1W": "week"}
+            period = tf_map.get(tf, "day")
+            raw_rows = fetch_kline(code, period=period, count=lim, adj="qfq")
+            out = tencent_kline_rows_to_dicts(raw_rows)
+            if out:
+                return self.filter_and_limit(out, limit=lim, before_time=before_time)
+
+        # Tier 3: yfinance (works when Yahoo not rate-limited)
+        rows = fetch_yfinance_klines(
+            is_hk=False, tencent_code=code, timeframe=tf, limit=lim, before_time=before_time
+        )
+        if rows:
+            return self.filter_and_limit(rows, limit=lim, before_time=before_time)
+
+        # Tier 4: AkShare (fragile overseas, last resort)
+        if tf in ("1m", "5m", "15m", "30m", "1H", "4H"):
+            rows = fetch_akshare_minute_klines(
+                is_hk=False, tencent_code=code, timeframe=tf, limit=lim, before_time=before_time
+            )
+        elif tf == "1W":
+            rows = fetch_akshare_weekly_klines(
+                is_hk=False, tencent_code=code, limit=lim, before_time=before_time
+            )
+        else:
+            rows = []
+
+        return self.filter_and_limit(rows, limit=lim, before_time=before_time)

backend_api_python/app/data_sources/factory.py

@@ -52,6 +52,12 @@ class DataSourceFactory:
         if market == 'Crypto':
             from app.data_sources.crypto import CryptoDataSource
             return CryptoDataSource()
+        elif market == 'CNStock':
+            from app.data_sources.cn_stock import CNStockDataSource
+            return CNStockDataSource()
+        elif market == 'HKStock':
+            from app.data_sources.hk_stock import HKStockDataSource
+            return HKStockDataSource()
         elif market == 'USStock':
             from app.data_sources.us_stock import USStockDataSource
             return USStockDataSource()

backend_api_python/app/data_sources/hk_stock.py

@@ -0,0 +1,99 @@
+"""
+港股/H股数据源 — 多层 fallback
+
+有 TWELVE_DATA_API_KEY:
+  所有周期 → Twelve Data（主） → 腾讯日/周线 → yfinance → AkShare
+
+无 API Key:
+  分钟/小时 → yfinance → AkShare
+  日/周线 → 腾讯 fqkline → yfinance → AkShare
+"""
+
+from __future__ import annotations
+
+from typing import Dict, List, Any, Optional
+
+from app.data_sources.base import BaseDataSource
+from app.data_sources.tencent import normalize_hk_code, fetch_quote, parse_quote_to_ticker, fetch_kline, tencent_kline_rows_to_dicts
+from app.data_sources.asia_stock_kline import (
+    normalize_chart_timeframe,
+    fetch_twelvedata_klines,
+    fetch_yfinance_klines,
+    fetch_akshare_minute_klines,
+    fetch_akshare_weekly_klines,
+)
+from app.utils.logger import get_logger
+
+logger = get_logger(__name__)
+
+
+class HKStockDataSource(BaseDataSource):
+    """港股/H股数据源（TwelveData + Tencent + yfinance + AkShare）"""
+
+    name = "HKStock/multi-source"
+
+    def get_ticker(self, symbol: str) -> Dict[str, Any]:
+        code = normalize_hk_code(symbol)
+        parts = fetch_quote(code)
+        if not parts:
+            return {"last": 0, "symbol": code}
+        t = parse_quote_to_ticker(parts)
+        return {
+            "last": t.get("last", 0),
+            "change": t.get("change", 0),
+            "changePercent": t.get("changePercent", 0),
+            "high": t.get("high", 0),
+            "low": t.get("low", 0),
+            "open": t.get("open", 0),
+            "previousClose": t.get("previousClose", 0),
+            "name": t.get("name", ""),
+            "symbol": code,
+        }
+
+    def get_kline(
+        self,
+        symbol: str,
+        timeframe: str,
+        limit: int,
+        before_time: Optional[int] = None,
+    ) -> List[Dict[str, Any]]:
+        code = normalize_hk_code(symbol)
+        tf = normalize_chart_timeframe(timeframe)
+        lim = max(int(limit or 300), 1)
+
+        # Tier 1: Twelve Data (paid, most reliable)
+        rows = fetch_twelvedata_klines(
+            is_hk=True, tencent_code=code, timeframe=tf, limit=lim, before_time=before_time
+        )
+        if rows:
+            return self.filter_and_limit(rows, limit=lim, before_time=before_time)
+
+        # Tier 2: Tencent for daily/weekly (fast, free)
+        if tf in ("1D", "1W"):
+            tf_map = {"1D": "day", "1W": "week"}
+            period = tf_map.get(tf, "day")
+            raw_rows = fetch_kline(code, period=period, count=lim, adj="qfq")
+            out = tencent_kline_rows_to_dicts(raw_rows)
+            if out:
+                return self.filter_and_limit(out, limit=lim, before_time=before_time)
+
+        # Tier 3: yfinance (works when Yahoo not rate-limited)
+        rows = fetch_yfinance_klines(
+            is_hk=True, tencent_code=code, timeframe=tf, limit=lim, before_time=before_time
+        )
+        if rows:
+            return self.filter_and_limit(rows, limit=lim, before_time=before_time)
+
+        # Tier 4: AkShare (fragile overseas, last resort)
+        if tf in ("1m", "5m", "15m", "30m", "1H", "4H"):
+            rows = fetch_akshare_minute_klines(
+                is_hk=True, tencent_code=code, timeframe=tf, limit=lim, before_time=before_time
+            )
+        elif tf == "1W":
+            rows = fetch_akshare_weekly_klines(
+                is_hk=True, tencent_code=code, limit=lim, before_time=before_time
+            )
+        else:
+            rows = []
+
+        return self.filter_and_limit(rows, limit=lim, before_time=before_time)

backend_api_python/app/data_sources/polymarket.py

@@ -49,19 +49,17 @@ class PolymarketDataSource:
             if cached:
                 return cached
             
-            # 从真实API获取 - 获取多个分类的数据以确保多样性
+            # 从真实API获取
             all_markets = []
             
             if category and category != "all":
-                # 如果指定了类别，只获取该类别的数据
+                # 获取所有事件，然后按类别过滤
                 markets = self._fetch_markets_from_api(category, limit * 2)
                 all_markets.extend(markets)
             else:
-                # 如果没有指定类别或指定了"all"，获取多个分类的数据
-                categories_to_fetch = ["crypto", "politics", "economics", "sports"]
-                for cat in categories_to_fetch:
-                    markets = self._fetch_markets_from_api(cat, limit // len(categories_to_fetch) + 10)
-                    all_markets.extend(markets)
+                # 获取所有事件（不指定类别，避免重复请求）
+                markets = self._fetch_from_gamma_api(category=None, limit=100)
+                all_markets.extend(markets)
             
             # 去重（按market_id）
             seen = set()

backend_api_python/app/data_sources/tencent.py

@@ -0,0 +1,238 @@
+"""
+Tencent market data helpers (no API key).
+
+Provides:
+- Quote: https://qt.gtimg.cn/q=sh600519 / sz000001 / hk00700
+- Kline: https://web.ifzq.gtimg.cn/appstock/app/fqkline/get?param=CODE,PERIOD,,,COUNT,ADJ
+
+This is used as a stable alternative when Yahoo/yfinance gets rate-limited.
+"""
+
+from __future__ import annotations
+
+from datetime import datetime
+from typing import Any, Dict, List, Optional, Tuple
+
+import requests
+
+from app.data_sources.rate_limiter import get_request_headers, retry_with_backoff, get_tencent_limiter
+from app.utils.logger import get_logger
+
+logger = get_logger(__name__)
+
+
+def normalize_cn_code(symbol: str) -> str:
+    """
+    Normalize A-share symbol to Tencent code: sh600519 / sz000001.
+    Accepts:
+    - 600519 / 600519.SH / 600519.SS
+    - 000001 / 000001.SZ
+    """
+    s = (symbol or "").strip().upper()
+    if not s:
+        return s
+    if s.endswith(".SH"):
+        s = s[:-3]
+        return f"SH{s}"
+    if s.endswith(".SS"):
+        s = s[:-3]
+        return f"SH{s}"
+    if s.endswith(".SZ"):
+        s = s[:-3]
+        return f"SZ{s}"
+
+    if s.isdigit() and len(s) == 6:
+        return ("SH" + s) if s.startswith("6") else ("SZ" + s)
+
+    return s
+
+
+def normalize_hk_code(symbol: str) -> str:
+    """
+    Normalize HK stock symbol to Tencent code: hk00700 (5 digits).
+    Accepts:
+    - 700 / 0700 / 00700.HK / 0700.HK
+    """
+    s = (symbol or "").strip().upper()
+    if not s:
+        return s
+    if s.endswith(".HK"):
+        s = s[:-3]
+    if s.isdigit():
+        return "HK" + s.zfill(5)
+    # If user already passed HKxxxxx
+    if s.startswith("HK") and s[2:].isdigit():
+        return "HK" + s[2:].zfill(5)
+    return s
+
+
+def _lower_code(code: str) -> str:
+    return (code or "").strip().lower()
+
+
+@retry_with_backoff(max_attempts=3, base_delay=1.2, max_delay=8.0, exceptions=(Exception,))
+def fetch_quote(code: str, timeout: int = 8) -> Optional[List[str]]:
+    """
+    Returns the raw '~' split array from qt.gtimg.cn, or None.
+    """
+    c = _lower_code(code)
+    if not c:
+        return None
+
+    limiter = get_tencent_limiter()
+    limiter.wait()
+    url = f"https://qt.gtimg.cn/q={c}"
+    resp = requests.get(url, headers=get_request_headers(referer="https://qt.gtimg.cn/"), timeout=timeout)
+    # Tencent quote is often GBK encoded
+    try:
+        resp.encoding = "gbk"
+    except Exception:
+        pass
+
+    text = (resp.text or "").strip()
+    if not text or "~" not in text:
+        return None
+
+    # Format: v_sh600519="1~NAME~CODE~LAST~PREV~OPEN~..."
+    try:
+        start = text.index('="') + 2
+        end = text.rindex('"')
+        payload = text[start:end]
+    except Exception:
+        return None
+
+    parts = payload.split("~")
+    return parts if len(parts) > 5 else None
+
+
+def parse_quote_to_ticker(parts: List[str]) -> Dict[str, Any]:
+    """
+    Best-effort conversion to a unified ticker dict.
+    """
+    def _f(i: int, default: float = 0.0) -> float:
+        try:
+            v = parts[i]
+            if v is None or v == "":
+                return default
+            return float(v)
+        except Exception:
+            return default
+
+    name = (parts[1] or "").strip() if len(parts) > 1 else ""
+    symbol = (parts[2] or "").strip() if len(parts) > 2 else ""
+    last_ = _f(3, 0.0)
+    prev = _f(4, 0.0)
+    open_ = _f(5, 0.0)
+
+    change = round(last_ - prev, 4) if prev else 0.0
+    change_pct = round(change / prev * 100, 2) if prev else 0.0
+
+    # Indices are not fully consistent across markets; keep conservative.
+    high = _f(33, last_) if len(parts) > 33 else last_
+    low = _f(34, last_) if len(parts) > 34 else last_
+
+    return {
+        "symbol": symbol,
+        "name": name,
+        "last": last_,
+        "change": change,
+        "changePercent": change_pct,
+        "high": high,
+        "low": low,
+        "open": open_ or last_,
+        "previousClose": prev,
+        "raw": parts,
+    }
+
+
+def parse_tencent_kline_time(ds: str) -> Optional[int]:
+    """Parse Tencent fqkline first column to Unix seconds (local parse, matches prior chart behavior)."""
+    raw = str(ds or "").strip()
+    if not raw:
+        return None
+    for fmt in ("%Y-%m-%d %H:%M:%S", "%Y-%m-%d %H:%M", "%Y-%m-%d", "%Y/%m/%d"):
+        try:
+            return int(datetime.strptime(raw, fmt).timestamp())
+        except ValueError:
+            continue
+    try:
+        ts = int(float(raw))
+        if ts > 10**12:
+            ts = int(ts / 1000)
+        return ts
+    except Exception:
+        return None
+
+
+def tencent_kline_rows_to_dicts(rows: List[Any]) -> List[Dict[str, Any]]:
+    """Convert raw fqkline rows to chart dicts; ignores corporate-action tail objects on HK rows."""
+    out: List[Dict[str, Any]] = []
+    for r in rows:
+        if not isinstance(r, (list, tuple)) or len(r) < 6:
+            continue
+        ts = parse_tencent_kline_time(r[0])
+        if ts is None:
+            continue
+        try:
+            o, c, h, low, vol = float(r[1]), float(r[2]), float(r[3]), float(r[4]), float(r[5])
+        except (TypeError, ValueError):
+            continue
+        out.append(
+            {
+                "time": ts,
+                "open": round(o, 4),
+                "high": round(h, 4),
+                "low": round(low, 4),
+                "close": round(c, 4),
+                "volume": round(vol, 2),
+            }
+        )
+    return out
+
+
+@retry_with_backoff(max_attempts=3, base_delay=1.2, max_delay=8.0, exceptions=(Exception,))
+def fetch_kline(code: str, period: str, count: int = 300, adj: str = "qfq", timeout: int = 10) -> List[List[str]]:
+    """
+    Fetch kline arrays from Tencent.
+
+    period examples:
+    - day, week, month (supported by Tencent fqkline)
+
+    Note: Minute periods (m1/m5/…) return **bad params** on this endpoint; use AkShare in ``asia_stock_kline``.
+    """
+    c = _lower_code(code)
+    if not c:
+        return []
+
+    limiter = get_tencent_limiter()
+    limiter.wait()
+
+    url = "https://web.ifzq.gtimg.cn/appstock/app/fqkline/get"
+    params = {"param": f"{c},{period},,,{int(count)},{adj}"}
+    resp = requests.get(url, headers=get_request_headers(referer="https://gu.qq.com/"), params=params, timeout=timeout)
+    data = resp.json() if resp.text else {}
+    if not isinstance(data, dict) or int(data.get("code", 0)) != 0:
+        return []
+    root = (data.get("data") or {}).get(c)
+    if not isinstance(root, dict):
+        return []
+
+    # Data key variants:
+    # - A-share: qfqday / qfqweek / qfqm1 ...
+    # - HK: day / week / m1 ...
+    candidates = []
+    if adj:
+        candidates.append(f"{adj}{period}")
+    candidates.append(period)
+
+    for key in candidates:
+        arr = root.get(key)
+        if isinstance(arr, list) and arr:
+            return arr
+
+    # Fallback: search any key that endswith period and is a list
+    for k, v in root.items():
+        if isinstance(v, list) and v and str(k).lower().endswith(str(period).lower()):
+            return v
+    return []
+

backend_api_python/app/data_sources/us_stock.py

@@ -88,7 +88,11 @@ class USStockDataSource(BaseDataSource):
                         'previousClose': quote.get('pc', 0)  # 昨收价
                     }
             except Exception as e:
-                logger.warning(f"Finnhub quote failed for {symbol}: {e}")
+                msg = str(e).lower()
+                if "403" in str(e) or "don't have access" in msg or "no access" in msg:
+                    logger.debug(f"Finnhub quote skipped (no access): {symbol}: {e}")
+                else:
+                    logger.warning(f"Finnhub quote failed for {symbol}: {e}")
         
         # 降级使用 yfinance
         try:
@@ -260,7 +264,12 @@ class USStockDataSource(BaseDataSource):
                     ))
                 # logger.info(f"Finnhub 返回 {len(klines)} 条数据")
         except Exception as e:
-            logger.error(f"Finnhub fetch failed: {e}")
+            msg = str(e).lower()
+            # Free tier / plan: 403 "You don't have access to this resource" is common; avoid ERROR spam.
+            if "403" in str(e) or "don't have access" in msg or "no access" in msg:
+                logger.debug(f"Finnhub candles skipped (no access): {symbol}: {e}")
+            else:
+                logger.warning(f"Finnhub fetch failed: {e}")
         
         return klines
     

backend_api_python/app/routes/global_market.py

@@ -1674,6 +1674,77 @@ def _fetch_stock_opportunity_prices() -> List[Dict[str, Any]]:
         return []
 
 
+def _fetch_local_stock_opportunity_prices(market: str, limit: int = 15) -> List[Dict[str, Any]]:
+    """
+    Fetch CN/HK stock prices for opportunity scanning.
+
+    For overseas servers we prefer the project's Tencent-based ticker path, which is
+    typically more reachable/stable than some Eastmoney/AkShare endpoints.
+    """
+    m = str(market or "").strip()
+    if m not in ("CNStock", "HKStock"):
+        return []
+
+    fallback_symbols = {
+        "CNStock": [
+            {"symbol": "600519", "name": "贵州茅台"},
+            {"symbol": "000001", "name": "平安银行"},
+            {"symbol": "300750", "name": "宁德时代"},
+            {"symbol": "601318", "name": "中国平安"},
+            {"symbol": "600036", "name": "招商银行"},
+            {"symbol": "002594", "name": "比亚迪"},
+            {"symbol": "600276", "name": "恒瑞医药"},
+            {"symbol": "601899", "name": "紫金矿业"},
+        ],
+        "HKStock": [
+            {"symbol": "00700", "name": "腾讯控股"},
+            {"symbol": "09988", "name": "阿里巴巴-W"},
+            {"symbol": "03690", "name": "美团-W"},
+            {"symbol": "01810", "name": "小米集团-W"},
+            {"symbol": "01299", "name": "友邦保险"},
+            {"symbol": "00939", "name": "建设银行"},
+            {"symbol": "02318", "name": "中国平安"},
+            {"symbol": "09618", "name": "京东集团-SW"},
+        ],
+    }
+
+    try:
+        from app.data.market_symbols_seed import get_hot_symbols
+        from app.data_sources import DataSourceFactory
+        from app.services.symbol_name import resolve_symbol_name
+
+        symbols = get_hot_symbols(m, limit=max(int(limit or 15), 1)) or fallback_symbols.get(m, [])
+        source = DataSourceFactory.get_source(m)
+
+        result = []
+        for item in symbols[: max(int(limit or 15), 1)]:
+            try:
+                symbol = str(item.get("symbol") or "").strip()
+                if not symbol:
+                    continue
+                ticker = source.get_ticker(symbol) or {}
+                last = _safe_float(ticker.get("last") or ticker.get("close") or ticker.get("price"))
+                if last <= 0:
+                    continue
+                change_pct = ticker.get("changePercent")
+                if change_pct is None:
+                    prev_close = _safe_float(ticker.get("previousClose"))
+                    change_pct = ((last - prev_close) / prev_close * 100.0) if prev_close > 0 else 0.0
+                result.append({
+                    "symbol": symbol,
+                    "name": (item.get("name") or resolve_symbol_name(m, symbol) or symbol).strip(),
+                    "price": round(last, 4),
+                    "change": round(_safe_float(change_pct), 2),
+                    "market": m,
+                })
+            except Exception as e:
+                logger.debug(f"Failed to fetch {m} opportunity price {item.get('symbol')}: {e}")
+        return result
+    except Exception as e:
+        logger.error(f"Failed to fetch {m} opportunity prices: {e}")
+        return []
+
+
 def _analyze_opportunities_crypto(opportunities: list):
     """Scan crypto market for trading opportunities."""
     crypto_data = _get_cached("crypto_prices")
@@ -1800,6 +1871,75 @@ def _analyze_opportunities_stocks(opportunities: list):
             })
 
 
+def _analyze_opportunities_local_stocks(opportunities: list, market: str):
+    """Scan CN/HK stocks for trading opportunities."""
+    m = str(market or "").strip()
+    if m not in ("CNStock", "HKStock"):
+        return
+
+    cache_key = "cn_stock_opportunity_prices" if m == "CNStock" else "hk_stock_opportunity_prices"
+    stock_data = _get_cached(cache_key)
+    if not stock_data:
+        stock_data = _fetch_local_stock_opportunity_prices(m)
+        if stock_data:
+            _set_cached(cache_key, stock_data, 3600)
+
+    if not stock_data:
+        logger.warning(f"_analyze_opportunities_local_stocks: No {m} data available")
+        return
+
+    logger.debug(f"_analyze_opportunities_local_stocks: Analyzing {len(stock_data)} {m} stocks")
+    strong_th = 7.0 if m == "CNStock" else 6.0
+    medium_th = 3.0 if m == "CNStock" else 2.5
+    market_cn = "A股" if m == "CNStock" else "港股"
+
+    for stock in stock_data:
+        change = _safe_float(stock.get("change", 0))
+        symbol = stock.get("symbol", "")
+        name = stock.get("name", "")
+        price = _safe_float(stock.get("price", 0))
+
+        signal = None
+        strength = "medium"
+        reason = ""
+        impact = "neutral"
+
+        if change > strong_th:
+            signal = "overbought"
+            strength = "strong"
+            reason = f"{market_cn}日涨幅{change:.1f}%，短期涨幅较大，注意回调风险"
+            impact = "bearish"
+        elif change > medium_th:
+            signal = "bullish_momentum"
+            strength = "medium"
+            reason = f"{market_cn}日涨幅{change:.1f}%，上涨动能较强"
+            impact = "bullish"
+        elif change < -strong_th:
+            signal = "oversold"
+            strength = "strong"
+            reason = f"{market_cn}日跌幅{abs(change):.1f}%，可能超卖反弹"
+            impact = "bullish"
+        elif change < -medium_th:
+            signal = "bearish_momentum"
+            strength = "medium"
+            reason = f"{market_cn}日跌幅{abs(change):.1f}%，下跌趋势明显"
+            impact = "bearish"
+
+        if signal:
+            opportunities.append({
+                "symbol": symbol,
+                "name": name,
+                "price": price,
+                "change_24h": change,
+                "signal": signal,
+                "strength": strength,
+                "reason": reason,
+                "impact": impact,
+                "market": m,
+                "timestamp": int(time.time())
+            })
+
+
 def _analyze_opportunities_forex(opportunities: list):
     """Scan forex pairs for trading opportunities."""
     forex_data = _get_cached("forex_pairs")
@@ -1915,7 +2055,7 @@ def _analyze_opportunities_polymarket(opportunities: list):
 @login_required
 def trading_opportunities():
     """
-    Scan for trading opportunities across Crypto, US Stocks, and Forex.
+    Scan for trading opportunities across Crypto, US Stocks, CN/HK Stocks, and Forex.
     Note: Prediction Markets are excluded as they have their own dedicated page.
     Cached for 1 hour. Pass ?force=true to skip cache.
     """
@@ -1945,7 +2085,23 @@ def trading_opportunities():
         except Exception as e:
             logger.error(f"Failed to analyze stock opportunities: {e}", exc_info=True)
 
-        # 3) Forex
+        # 3) CN Stocks
+        try:
+            _analyze_opportunities_local_stocks(opportunities, "CNStock")
+            cn_count = len([o for o in opportunities if o.get("market") == "CNStock"])
+            logger.info(f"Trading opportunities: found {cn_count} CN stock opportunities")
+        except Exception as e:
+            logger.error(f"Failed to analyze CN stock opportunities: {e}", exc_info=True)
+
+        # 4) HK Stocks
+        try:
+            _analyze_opportunities_local_stocks(opportunities, "HKStock")
+            hk_count = len([o for o in opportunities if o.get("market") == "HKStock"])
+            logger.info(f"Trading opportunities: found {hk_count} HK stock opportunities")
+        except Exception as e:
+            logger.error(f"Failed to analyze HK stock opportunities: {e}", exc_info=True)
+
+        # 5) Forex
         try:
             _analyze_opportunities_forex(opportunities)
             forex_count = len([o for o in opportunities if o.get("market") == "Forex"])
@@ -1959,7 +2115,14 @@ def trading_opportunities():
         # Sort by absolute change descending
         opportunities.sort(key=lambda x: abs(x.get("change_24h", 0)), reverse=True)
 
-        logger.info(f"Trading opportunities: total {len(opportunities)} opportunities found (Crypto: {len([o for o in opportunities if o.get('market') == 'Crypto'])}, USStock: {len([o for o in opportunities if o.get('market') == 'USStock'])}, Forex: {len([o for o in opportunities if o.get('market') == 'Forex'])})")
+        logger.info(
+            f"Trading opportunities: total {len(opportunities)} opportunities found "
+            f"(Crypto: {len([o for o in opportunities if o.get('market') == 'Crypto'])}, "
+            f"USStock: {len([o for o in opportunities if o.get('market') == 'USStock'])}, "
+            f"CNStock: {len([o for o in opportunities if o.get('market') == 'CNStock'])}, "
+            f"HKStock: {len([o for o in opportunities if o.get('market') == 'HKStock'])}, "
+            f"Forex: {len([o for o in opportunities if o.get('market') == 'Forex'])})"
+        )
 
         _set_cached("trading_opportunities", opportunities, 3600)
 

backend_api_python/app/routes/market.py

@@ -83,7 +83,8 @@ def get_public_config():
 @market_bp.route('/types', methods=['GET'])
 def get_market_types():
     """Return supported market types for the add-watchlist modal."""
-    desired_order = ['USStock', 'Crypto', 'Forex', 'Futures']
+    # Keep a stable UX order; add CN/HK stocks near US stocks.
+    desired_order = ['USStock', 'CNStock', 'HKStock', 'Crypto', 'Forex', 'Futures']
     order_rank = {v: i for i, v in enumerate(desired_order)}
 
     def _normalize_item(x):

backend_api_python/app/routes/quick_trade.py

@@ -29,11 +29,69 @@ from app.utils.credential_crypto import decrypt_credential_blob
 
 logger = get_logger(__name__)
 
+import re as _re
+
+_FRIENDLY_ERROR_PATTERNS = [
+    # Insufficient balance / margin
+    (_re.compile(r"INSUFFICIENT[_ ]?AVAILABLE|insufficient.{0,20}(balance|margin|fund)|margin.{0,30}while available|not enough|资金不足", _re.IGNORECASE),
+     "quickTrade.errorHints.insufficientBalance"),
+    # Invalid size / quantity
+    (_re.compile(r"invalid.{0,10}size|invalid.{0,10}(qty|quantity|amount|volume)|Order size.{0,20}(too small|below|minimum)|MIN_NOTIONAL", _re.IGNORECASE),
+     "quickTrade.errorHints.invalidSize"),
+    # Invalid price
+    (_re.compile(r"invalid.{0,10}price|price.{0,20}(deviate|deviation|exceed|out of range)", _re.IGNORECASE),
+     "quickTrade.errorHints.invalidPrice"),
+    # Rate limit
+    (_re.compile(r"rate.?limit|too many request|429|REQUEST_FREQUENCY", _re.IGNORECASE),
+     "quickTrade.errorHints.rateLimit"),
+    # API key / permission
+    (_re.compile(r"(invalid|wrong|expired).{0,10}(api.?key|key|signature|sign)|NOT_LOGIN|UNAUTHORIZED|permission.{0,10}denied|IP.{0,20}(not|whitelist|restrict)", _re.IGNORECASE),
+     "quickTrade.errorHints.authError"),
+    # Position / reduce-only conflict
+    (_re.compile(r"reduce.?only|position.{0,20}(not exist|not found|side)|POSITION_NOT_EXIST", _re.IGNORECASE),
+     "quickTrade.errorHints.positionConflict"),
+    # Network / timeout
+    (_re.compile(r"timeout|timed? ?out|connect|ECONNREFUSED|SSL|ConnectionError|RemoteDisconnected", _re.IGNORECASE),
+     "quickTrade.errorHints.networkError"),
+    # Exchange maintenance
+    (_re.compile(r"maintenance|unavailable|system.{0,10}(busy|error|upgrade)|suspend|暂停", _re.IGNORECASE),
+     "quickTrade.errorHints.exchangeMaintenance"),
+]
+
+
+def _parse_trade_error_hint(error_str: str) -> str:
+    """Return a i18n key hint for common exchange trading errors, or empty string."""
+    s = str(error_str or "")
+    for pattern, hint_key in _FRIENDLY_ERROR_PATTERNS:
+        if pattern.search(s):
+            return hint_key
+    return ""
+
 quick_trade_bp = Blueprint('quick_trade', __name__)
 
 
 # ────────── helpers ──────────
 
+def _symbols_match_quick_trade(user_symbol: str, position_symbol: str) -> bool:
+    """Match UI symbol (e.g. ETH/USDT) with exchange-native ids (e.g. ETH_USDT, ETH-USDT-SWAP)."""
+
+    def norm(x: str) -> str:
+        return (x or "").strip().upper().replace("/", "").replace("-", "").replace("_", "")
+
+    a, b = norm(user_symbol), norm(position_symbol)
+    if not a or not b:
+        return False
+    if a == b:
+        return True
+    for suf in ("SWAP", "PERPETUAL", "PERP"):
+        if b.endswith(suf) and a == b[: -len(suf)]:
+            return True
+        if a.endswith(suf) and b == a[: -len(suf)]:
+            return True
+    # Substring fallback for less standard ids (min length avoids ETH vs ETHW false positives)
+    return (len(a) >= 6 and a in b) or (len(b) >= 6 and b in a)
+
+
 def _convert_usdt_to_base_qty(client, symbol: str, usdt_amount: float, market_type: str, limit_price: float = 0.0) -> float:
     """
     Convert USDT amount to base asset quantity for all exchanges.
@@ -116,6 +174,56 @@ def _convert_usdt_to_base_qty(client, symbol: str, usdt_amount: float, market_ty
                                 current_price = float(data.get("price") or 0)
                 except Exception:
                     pass
+
+            # Bybit v5 — same host as trading API; tickers/orderbook are public
+            from app.services.live_trading.bybit import BybitClient
+            if current_price <= 0 and isinstance(client, BybitClient):
+                try:
+                    import requests
+                    from app.services.live_trading.symbols import to_bybit_symbol
+
+                    bu = (getattr(client, "base_url", "") or "").rstrip("/")
+                    bsym = to_bybit_symbol(symbol).upper()
+                    cat = "spot" if (market_type or "").strip().lower() == "spot" else "linear"
+                    if bu and bsym:
+                        tr = requests.get(
+                            f"{bu}/v5/market/tickers",
+                            params={"category": cat, "symbol": bsym},
+                            timeout=8,
+                        )
+                        if tr.status_code == 200:
+                            jd = tr.json() if tr.text else {}
+                            lst = (((jd.get("result") or {}).get("list")) or []) if isinstance(jd, dict) else []
+                            if lst and isinstance(lst[0], dict):
+                                t0 = lst[0]
+                                current_price = float(
+                                    str(
+                                        t0.get("lastPrice")
+                                        or t0.get("markPrice")
+                                        or t0.get("indexPrice")
+                                        or 0
+                                    ).replace(",", "")
+                                    or 0
+                                )
+                        if current_price <= 0:
+                            obr = requests.get(
+                                f"{bu}/v5/market/orderbook",
+                                params={"category": cat, "symbol": bsym, "limit": 25},
+                                timeout=8,
+                            )
+                            if obr.status_code == 200:
+                                od = obr.json() if obr.text else {}
+                                res = (od.get("result") or {}) if isinstance(od, dict) else {}
+                                bids = res.get("b") or []
+                                asks = res.get("a") or []
+                                bp = float(str(bids[0][0]).replace(",", "")) if bids and bids[0] else 0.0
+                                ap = float(str(asks[0][0]).replace(",", "")) if asks and asks[0] else 0.0
+                                if bp > 0 and ap > 0:
+                                    current_price = (bp + ap) / 2.0
+                                else:
+                                    current_price = bp or ap
+                except Exception:
+                    pass
             
             # Other exchanges - can be added as needed
             # For exchanges without price API, we'll use a fallback
@@ -350,7 +458,12 @@ def place_order():
                     elif isinstance(client, GateUsdtFuturesClient):
                         from app.services.live_trading.symbols import to_gate_currency_pair
                         contract = to_gate_currency_pair(symbol)
-                        client.set_leverage(contract=contract, leverage=leverage)
+                        if not client.set_leverage(contract=contract, leverage=leverage):
+                            logger.warning(
+                                "Gate set_leverage failed (contract=%s lev=%s); order may use exchange default leverage",
+                                contract,
+                                leverage,
+                            )
                     # Most other exchanges use symbol
                     else:
                         # Try common parameter names
@@ -472,7 +585,12 @@ def place_order():
         except Exception:
             pass
 
-        return jsonify({"code": 0, "msg": str(e)}), 500
+        err_str = str(e)
+        hint = _parse_trade_error_hint(err_str)
+        resp: Dict[str, Any] = {"code": 0, "msg": err_str}
+        if hint:
+            resp["error_hint"] = hint
+        return jsonify(resp), 500
 
 
 def _market_order_kwargs(client, symbol, amount, side, market_type, client_order_id):
@@ -581,9 +699,34 @@ def get_balance():
 def _parse_balance(raw: Any, exchange_id: str, market_type: str) -> Dict[str, Any]:
     """Best-effort parse balance from various exchange responses."""
     result = {"available": 0, "total": 0, "currency": "USDT"}
+    ex0 = (exchange_id or "").strip().lower()
+    mt0 = (market_type or "").strip().lower()
+
+    def _num(x: Any) -> float:
+        try:
+            s = str(x).replace(",", "").strip()
+            if not s:
+                return 0.0
+            return float(s)
+        except Exception:
+            return 0.0
+
     if not raw:
         return result
     try:
+        # Gate.io spot: GET /api/v4/spot/accounts returns a list
+        if isinstance(raw, list) and ex0 == "gate":
+            for item in raw:
+                if not isinstance(item, dict):
+                    continue
+                if str(item.get("currency") or "").upper() == "USDT":
+                    av = _num(item.get("available") or item.get("available_balance"))
+                    lk = _num(item.get("locked") or item.get("freeze") or item.get("locked_amount"))
+                    result["available"] = av
+                    result["total"] = av + lk
+                    return result
+            return result
+
         if isinstance(raw, dict):
             # Binance futures
             if "availableBalance" in raw:
@@ -599,6 +742,21 @@ def _parse_balance(raw: Any, exchange_id: str, market_type: str) -> Dict[str, An
                         return result
                 return result
             ex = (exchange_id or "").lower()
+            # Gate.io USDT perpetual: GET /api/v4/futures/usdt/accounts — flat object (values often strings)
+            if ex == "gate" and mt0 != "spot":
+                if any(k in raw for k in ("available", "total", "cross_available", "cross_margin_balance")):
+                    av = raw.get("available") or raw.get("available_balance") or raw.get("cross_available")
+                    tot = (
+                        raw.get("total")
+                        or raw.get("total_balance")
+                        or raw.get("cross_margin_balance")
+                        or raw.get("equity")
+                    )
+                    result["available"] = _num(av)
+                    result["total"] = _num(tot) if tot is not None and str(tot).strip() != "" else result["available"]
+                    if result["total"] <= 0 < result["available"]:
+                        result["total"] = result["available"]
+                    return result
             # Bitget mix: { code, data: [ { marginCoin, available, accountEquity, ... } ] }
             # Must run before OKX — both use data as a list; OKX fallback would zero Bitget.
             if ex == "bitget" and (market_type or "").lower() != "spot":
@@ -709,7 +867,7 @@ def _fetch_exchange_positions_raw(
     """
     Fetch raw position payload for quick-trade / close-position.
 
-    Many clients do not accept ``symbol=`` on ``get_positions()`` (Gate, KuCoin, Bybit, Bitfinex),
+    Many clients do not accept ``symbol=`` on ``get_positions()`` (Gate, KuCoin, Bitfinex),
     or need extra args (Bitget ``product_type``, OKX ``inst_type``). Centralize here.
     """
     from app.services.live_trading.binance import BinanceFuturesClient
@@ -747,7 +905,8 @@ def _fetch_exchange_positions_raw(
         return client.get_positions(product_type=pt, symbol=symbol)
 
     if isinstance(client, BybitClient):
-        raw = client.get_positions()
+        # Bybit v5 requires symbol or settleCoin; query the contract directly.
+        raw = client.get_positions(symbol=symbol)
         lst = (((raw or {}).get("result") or {}).get("list")) if isinstance(raw, dict) else None
         if not isinstance(lst, list):
             return raw
@@ -765,8 +924,25 @@ def _fetch_exchange_positions_raw(
         raw = client.get_positions()
         items = raw if isinstance(raw, list) else []
         c = to_gate_currency_pair(symbol)
+        logger.info("Gate positions: total=%d, target=%s, contracts=%s",
+                     len(items), c,
+                     [(str(p.get("contract")), p.get("size")) for p in items if isinstance(p, dict) and p.get("size")][:10])
         filtered = [p for p in items if isinstance(p, dict) and str(p.get("contract") or "").strip() == c]
-        return filtered
+        out = []
+        for p in filtered:
+            q = dict(p)
+            try:
+                ct_sz = float(q.get("size") or 0)
+            except Exception:
+                ct_sz = 0.0
+            if abs(ct_sz) > 1e-12:
+                base_amt = client.contracts_signed_to_base_qty(contract=c, contracts_signed=ct_sz)
+                if base_amt > 0:
+                    q["positionAmt"] = base_amt
+            out.append(q)
+        logger.info("Gate filtered positions for %s: %d items, sizes=%s", c, len(out),
+                     [(p.get("size"), p.get("positionAmt")) for p in out])
+        return out
 
     if isinstance(client, KucoinFuturesClient):
         raw = client.get_positions()
@@ -782,7 +958,37 @@ def _fetch_exchange_positions_raw(
         return {"data": filtered}
 
     if isinstance(client, HtxClient):
-        return client.get_positions(symbol=symbol)
+        raw = client.get_positions(symbol=symbol)
+        data = (raw.get("data") if isinstance(raw, dict) else None) or []
+        if not isinstance(data, list):
+            data = []
+        out_items = []
+        for p in data:
+            if not isinstance(p, dict):
+                continue
+            q = dict(p)
+            cc = str(q.get("contract_code") or "").strip()
+            if cc:
+                parts = cc.split("-", 1)
+                if len(parts) == 2:
+                    q["symbol"] = f"{parts[0]}/{parts[1]}"
+            try:
+                vol = float(q.get("volume") or q.get("available") or 0)
+            except Exception:
+                vol = 0.0
+            if abs(vol) > 1e-12 and cc:
+                try:
+                    info = client.get_contract_info(symbol=symbol or cc) or {}
+                    cs = float(info.get("contract_size") or 1)
+                    if cs <= 0:
+                        cs = 1.0
+                    q["positionAmt"] = abs(vol) * cs
+                except Exception:
+                    pass
+            out_items.append(q)
+        logger.info("HTX positions for %s: %d items, sizes=%s", symbol, len(out_items),
+                     [(p.get("contract_code"), p.get("volume"), p.get("positionAmt")) for p in out_items])
+        return {"data": out_items}
 
     if isinstance(client, DeepcoinClient):
         return client.get_positions(symbol=symbol)
@@ -860,6 +1066,21 @@ def _parse_positions(raw: Any) -> list:
         for item in items:
             if not isinstance(item, dict):
                 continue
+            sym_raw = str(
+                item.get("symbol")
+                or item.get("instId")
+                or item.get("contract")
+                or item.get("contract_code")
+                or ""
+            ).strip()
+            display_symbol = sym_raw
+            if sym_raw and "/" not in sym_raw:
+                for sep in ("_", "-"):
+                    if sep in sym_raw:
+                        parts = sym_raw.split(sep, 1)
+                        if len(parts) == 2 and parts[0] and parts[1]:
+                            display_symbol = f"{parts[0]}/{parts[1]}"
+                        break
             # For OKX, position size can be in different fields
             # SWAP: posAmt, pos
             # Binance futures: positionAmt
@@ -876,6 +1097,7 @@ def _parse_positions(raw: Any) -> list:
                 or item.get("bal")
                 or item.get("availBal")
                 or item.get("volume")
+                or item.get("current_qty")
                 or 0
             )
             if abs(size) < 1e-10:
@@ -910,11 +1132,12 @@ def _parse_positions(raw: Any) -> list:
                     side = "short"
             
             result.append({
-                "symbol": item.get("symbol") or item.get("instId") or "",
+                "symbol": display_symbol,
                 "side": side,
                 "size": abs(size),
                 "entry_price": float(
                     item.get("entryPrice")
+                    or item.get("entry_price")
                     or item.get("openPriceAvg")
                     or item.get("avgEntryPrice")
                     or item.get("avgPrice")
@@ -928,15 +1151,17 @@ def _parse_positions(raw: Any) -> list:
                     item.get("unRealizedProfit")
                     or item.get("unrealizedProfit")
                     or item.get("unrealizedPnl")
+                    or item.get("unrealised_pnl")
                     or item.get("upl")
                     or item.get("unrealisedPnl")
                     or item.get("profit_unreal")
                     or item.get("pnl")
                     or 0
                 ),
-                "leverage": float(item.get("leverage") or item.get("lever") or 1),
+                "leverage": float(item.get("leverage") or item.get("lever") or item.get("lever_rate") or item.get("cross_leverage_limit") or 1),
                 "mark_price": float(
                     item.get("markPrice")
+                    or item.get("mark_price")
                     or item.get("markPx")
                     or item.get("last_price")
                     or item.get("last")
@@ -949,6 +1174,48 @@ def _parse_positions(raw: Any) -> list:
     return result
 
 
+def _quick_trade_net_base_qty(
+    user_id: int,
+    credential_id: int,
+    symbol: str,
+    market_type: str,
+    position_side: str,
+) -> float:
+    """
+    Best-effort net base-asset qty from qd_quick_trades (filled buy − sell for long, vice versa for short).
+
+    Used when user chooses to close only the portion accumulated via Quick Trade, not manual exchange orders.
+    Imperfect if the user also traded the same symbol elsewhere or records are incomplete.
+    """
+    mt = (market_type or "swap").strip().lower()
+    ps = (position_side or "").strip().lower()
+    sym = str(symbol or "").strip()
+    with get_db_connection() as db:
+        cur = db.cursor()
+        cur.execute(
+            """
+            SELECT
+              COALESCE(SUM(CASE WHEN side = 'buy' THEN filled_amount ELSE 0 END), 0) AS b,
+              COALESCE(SUM(CASE WHEN side = 'sell' THEN filled_amount ELSE 0 END), 0) AS s
+            FROM qd_quick_trades
+            WHERE user_id = %s AND credential_id = %s AND symbol = %s AND market_type = %s
+              AND status = 'filled' AND COALESCE(filled_amount, 0) > 0
+            """,
+            (int(user_id), int(credential_id), sym, mt),
+        )
+        row = cur.fetchone() or {}
+        cur.close()
+    buy_sum = float(row.get("b") or 0)
+    sell_sum = float(row.get("s") or 0)
+    if ps == "long":
+        net = buy_sum - sell_sum
+    elif ps == "short":
+        net = sell_sum - buy_sum
+    else:
+        net = 0.0
+    return max(0.0, float(net))
+
+
 @quick_trade_bp.route('/close-position', methods=['POST'])
 @login_required
 def close_position():
@@ -960,6 +1227,8 @@ def close_position():
       symbol         (str)    — e.g. "BTC/USDT"
       market_type    (str)    — "swap" / "spot" (default: swap)
       size            (float)  — position size to close (optional, defaults to full position)
+      close_scope    (str)    — "full" (default) or "system_tracked" (swap only: min(position, net from qd_quick_trades))
+      position_side  (str)    — optional "long" / "short"; required when both directions exist for the same symbol
       source          (str)    — "ai_radar" / "ai_analysis" / "indicator" / "manual"
     """
     try:
@@ -971,6 +1240,11 @@ def close_position():
         market_type = str(body.get("market_type") or "swap").strip().lower()
         close_size = float(body.get("size") or 0)  # 0 means close full position
         source = str(body.get("source") or "manual").strip()
+        close_scope_raw = str(body.get("close_scope") or body.get("closeScope") or "full").strip().lower()
+        if close_scope_raw in ("system", "system_tracked", "quick_trade", "app"):
+            close_scope = "system_tracked"
+        else:
+            close_scope = "full"
         
         # ---- validation ----
         if not credential_id:
@@ -1003,29 +1277,80 @@ def close_position():
         
         if not positions:
             return jsonify({"code": 0, "msg": f"No position found for {symbol}"}), 404
-        
-        # Find matching position for this symbol
-        position = None
+
+        want_side = str(body.get("position_side") or body.get("close_side") or "").strip().lower()
+        if want_side not in ("", "long", "short"):
+            want_side = ""
+
+        matches: list = []
         for pos in positions:
             pos_symbol = pos.get("symbol", "").strip()
-            # Match by symbol (may need normalization)
-            if symbol.upper().replace("/", "") in pos_symbol.upper().replace("/", "").replace("-", ""):
-                position = pos
-                break
-        
+            if not _symbols_match_quick_trade(symbol, pos_symbol):
+                continue
+            ps = str(pos.get("side") or "").strip().lower()
+            if want_side in ("long", "short"):
+                if ps == want_side:
+                    matches.append(pos)
+            else:
+                matches.append(pos)
+
+        position = None
+        if len(matches) == 1:
+            position = matches[0]
+        elif len(matches) > 1:
+            if want_side in ("long", "short"):
+                position = matches[0]
+            else:
+                return jsonify(
+                    {
+                        "code": 0,
+                        "msg": "该交易对同时存在多仓与空仓，请在请求中指定 position_side 为 long 或 short。",
+                    }
+                ), 400
         if not position:
             return jsonify({"code": 0, "msg": f"No position found for {symbol}"}), 404
-        
+
         position_side = str(position.get("side") or "").strip().lower()
         position_size = float(position.get("size") or 0)
         
         if position_size <= 0:
             return jsonify({"code": 0, "msg": "Position size is zero or invalid"}), 400
         
+        if close_scope == "system_tracked" and market_type != "swap":
+            return jsonify({"code": 0, "msg": "system_tracked close_scope is only supported for swap/perp"}), 400
+
+        tracked_net = 0.0
+        if close_scope == "system_tracked":
+            tracked_net = _quick_trade_net_base_qty(
+                user_id, credential_id, symbol, market_type, position_side=position_side
+            )
+            if tracked_net <= 0:
+                return jsonify(
+                    {
+                        "code": 0,
+                        "msg": "No filled Quick Trade volume found for this symbol; use full close or check history.",
+                    }
+                ), 400
+
         # Determine close size
-        actual_close_size = close_size if close_size > 0 else position_size
+        if close_size > 0:
+            actual_close_size = min(close_size, position_size)
+        elif close_scope == "system_tracked":
+            actual_close_size = min(tracked_net, position_size)
+            logger.info(
+                "close_position system_tracked: symbol=%s side=%s position=%s tracked_net=%s close=%s",
+                symbol,
+                position.get("side"),
+                position_size,
+                tracked_net,
+                actual_close_size,
+            )
+        else:
+            actual_close_size = position_size
         if actual_close_size > position_size:
             actual_close_size = position_size
+        if actual_close_size <= 0:
+            return jsonify({"code": 0, "msg": "Close size is zero"}), 400
         
         # ---- determine signal type based on position side ----
         if market_type == "spot":
@@ -1111,6 +1436,8 @@ def close_position():
                 "avg_price": avg_fill,
                 "closed_size": actual_close_size,
                 "position_side": position_side,
+                "close_scope": close_scope,
+                "tracked_net_base": tracked_net if close_scope == "system_tracked" else None,
                 "status": "filled" if filled > 0 else "submitted",
             },
         })
@@ -1118,7 +1445,12 @@ def close_position():
     except Exception as e:
         logger.error(f"close_position failed: {e}")
         logger.error(traceback.format_exc())
-        return jsonify({"code": 0, "msg": str(e)}), 500
+        err_str = str(e)
+        hint = _parse_trade_error_hint(err_str)
+        resp: Dict[str, Any] = {"code": 0, "msg": err_str}
+        if hint:
+            resp["error_hint"] = hint
+        return jsonify(resp), 500
 
 
 @quick_trade_bp.route('/history', methods=['GET'])

backend_api_python/app/routes/settings.py

@@ -399,6 +399,15 @@ CONFIG_SCHEMA = {
                 'link_text': 'settings.link.getToken',
                 'description': 'Tiingo API key for Forex/Metals data'
             },
+            {
+                'key': 'TWELVE_DATA_API_KEY',
+                'label': 'Twelve Data API Key',
+                'type': 'password',
+                'required': False,
+                'link': 'https://twelvedata.com/apikey',
+                'link_text': 'settings.link.getApiKey',
+                'description': 'Twelve Data API key for CN/HK stock K-lines (free 800 credits/day)'
+            },
         ]
     },
 

backend_api_python/app/routes/strategy.py

@@ -15,6 +15,11 @@ from app.services.strategy_snapshot import StrategySnapshotResolver
 from app import get_trading_executor
 from app.utils.logger import get_logger
 from app.utils.db import get_db_connection
+
+try:
+    from psycopg2.errors import UndefinedTable as PgUndefinedTable
+except Exception:  # pragma: no cover
+    PgUndefinedTable = None  # type: ignore
 from app.utils.auth import login_required
 from app.data_sources import DataSourceFactory
 
@@ -662,6 +667,15 @@ def get_equity_curve():
                 (strategy_id,)
             )
             rows = cur.fetchall() or []
+            cur.execute(
+                """
+                SELECT COALESCE(SUM(unrealized_pnl), 0) AS u
+                FROM qd_strategy_positions
+                WHERE strategy_id = ?
+                """,
+                (strategy_id,),
+            )
+            prow = cur.fetchone() or {}
             cur.close()
 
         equity = initial
@@ -678,7 +692,17 @@ def get_equity_curve():
                 ts = int(created_at)
             else:
                 ts = int(time.time())
-            curve.append({'time': ts, 'equity': equity})
+            curve.append({'time': ts, 'equity': round(equity, 2)})
+
+        # 将未实现盈亏并入曲线末端，便于「持仓中」也能在绩效里看到浮动权益
+        try:
+            unreal = float(prow.get('u') or prow.get('U') or 0)
+        except Exception:
+            unreal = 0.0
+        live_equity = float(equity) + unreal
+        now_ts = int(time.time())
+        if abs(unreal) > 1e-12 or not curve:
+            curve.append({'time': now_ts, 'equity': round(live_equity, 2)})
 
         return jsonify({'code': 1, 'msg': 'success', 'data': curve})
     except Exception as e:
@@ -1391,11 +1415,16 @@ def get_strategy_performance():
 def get_strategy_logs():
     """Get strategy running logs."""
     try:
+        user_id = g.user_id
         strategy_id = request.args.get('id')
         limit = int(request.args.get('limit', 200))
         if not strategy_id:
             return jsonify({'code': 0, 'msg': 'Strategy ID required'})
 
+        st = get_strategy_service().get_strategy(int(strategy_id), user_id=user_id)
+        if not st:
+            return jsonify({'code': 0, 'msg': 'Strategy not found'}), 404
+
         with get_db_connection() as db:
             cur = db.cursor()
             cur.execute(
@@ -1411,10 +1440,22 @@ def get_strategy_logs():
             rows = cur.fetchall() or []
             cur.close()
 
-        logs = list(reversed(rows))
+        out = []
+        for r in rows or []:
+            if not isinstance(r, dict):
+                continue
+            rr = dict(r)
+            ts = rr.get('timestamp')
+            if ts is not None and hasattr(ts, 'isoformat'):
+                rr['timestamp'] = ts.isoformat()
+            out.append(rr)
+        logs = list(reversed(out))
         return jsonify({'code': 1, 'msg': 'success', 'data': logs})
     except Exception as e:
-        if 'qd_strategy_logs' in str(e) and ('does not exist' in str(e) or 'no such table' in str(e)):
+        if PgUndefinedTable is not None and isinstance(e, PgUndefinedTable):
+            return jsonify({'code': 1, 'msg': 'success', 'data': []})
+        el = str(e).lower()
+        if 'qd_strategy_logs' in el and ('does not exist' in el or 'no such table' in el):
             return jsonify({'code': 1, 'msg': 'success', 'data': []})
         logger.error(f"get_strategy_logs failed: {str(e)}")
         return jsonify({'code': 0, 'msg': str(e)}), 500

backend_api_python/app/services/fast_analysis.py

@@ -1830,7 +1830,35 @@ IMPORTANT:
         # 但要做“可用信息重加权”：当某些模块缺失（如新闻/宏观没取到），不要用0分去稀释整体强度，
         # 而是重新归一化权重，让技术信号在缺失时仍可发挥主导作用。
         market_type = str(data.get("market") or "")
-        fundamental_present = (market_type == "USStock") and bool(fundamental)
+
+        def _fundamental_meaningful(fund: Dict[str, Any]) -> bool:
+            if not fund:
+                return False
+            for key in (
+                "pe_ratio",
+                "pb_ratio",
+                "ps_ratio",
+                "market_cap",
+                "roe",
+                "eps",
+                "revenue_growth",
+                "profit_margin",
+                "dividend_yield",
+            ):
+                v = fund.get(key)
+                if v is None or v == "":
+                    continue
+                try:
+                    if isinstance(v, float) and v != v:  # NaN
+                        continue
+                    return True
+                except Exception:
+                    return True
+            return False
+
+        fundamental_present = (
+            market_type in ("USStock", "CNStock", "HKStock") and _fundamental_meaningful(fundamental)
+        )
         sentiment_present = bool(news)
         macro_present = bool(macro)
         # indicators 一旦成功计算通常就存在，但这里也做一次保护
@@ -2057,9 +2085,9 @@ IMPORTANT:
     
     def _calculate_fundamental_score(self, fundamental: Dict, market: str) -> float:
         """计算基本面评分 (-100 to +100)"""
-        if market != "USStock" or not fundamental:
-            return 0.0  # 非美股或无基本面数据，返回中性
-        
+        if market not in ("USStock", "CNStock", "HKStock") or not fundamental:
+            return 50.0
+
         score = 0.0
         factors = 0
         
@@ -2142,7 +2170,9 @@ IMPORTANT:
         # 归一化（如果有多个因素）
         if factors > 0:
             score = score / factors * 100 / 4  # 最大可能分数是4个因素各20分=80，归一化到100
-        
+        else:
+            return 50.0
+
         return max(-100, min(100, score))
     
     def _calculate_sentiment_score(self, news: List[Dict]) -> float:

backend_api_python/app/services/live_trading/base.py

@@ -9,12 +9,75 @@ Notes:
 from __future__ import annotations
 
 import json
+import logging
+import os
 import time
 from dataclasses import dataclass
-from typing import Any, Dict, Optional, Tuple
+from typing import Any, Dict, Optional, Tuple, Union
 
 import requests
 
+logger = logging.getLogger(__name__)
+
+# Cached SSL verify setting for all live-trading REST calls (requests + SOCKS proxy).
+_requests_verify_value: Optional[Union[bool, str]] = None
+_ssl_verify_disabled_logged = False
+
+# OS CA bundles (Docker / slim images: install ``ca-certificates``; corporate roots often added here too).
+_SYSTEM_CA_BUNDLE_CANDIDATES: Tuple[str, ...] = (
+    "/etc/ssl/certs/ca-certificates.crt",  # Debian/Ubuntu
+    "/etc/ssl/cert.pem",  # Alpine, some slim images
+    "/etc/pki/tls/certs/ca-bundle.crt",  # RHEL/Fedora
+)
+
+
+def _get_requests_verify() -> Union[bool, str]:
+    """
+    Resolve ``verify`` for ``requests`` when calling exchanges through proxies (e.g. PROXY_URL=socks5h://...).
+
+    - LIVE_TRADING_SSL_VERIFY=0|false|no|off: disable verification (insecure; mitm risk).
+    - LIVE_TRADING_CA_BUNDLE / REQUESTS_CA_BUNDLE / SSL_CERT_FILE / CURL_CA_BUNDLE: path to a PEM CA bundle
+      (needed for corporate TLS inspection or custom roots).
+    - Else a non-empty OS CA file if present (helps Gate/HTX/hbdm etc. in minimal images).
+    - Otherwise certifi's bundle when available.
+    """
+    global _requests_verify_value, _ssl_verify_disabled_logged
+    if _requests_verify_value is not None:
+        return _requests_verify_value
+
+    flag = (os.environ.get("LIVE_TRADING_SSL_VERIFY") or "").strip().lower()
+    if flag in ("0", "false", "no", "off"):
+        if not _ssl_verify_disabled_logged:
+            logger.warning(
+                "LIVE_TRADING_SSL_VERIFY is disabled: HTTPS certificate verification is OFF for live trading "
+                "requests (MITM risk). Fix CA trust or set LIVE_TRADING_CA_BUNDLE instead for production."
+            )
+            _ssl_verify_disabled_logged = True
+        _requests_verify_value = False
+        return _requests_verify_value
+
+    for key in ("LIVE_TRADING_CA_BUNDLE", "REQUESTS_CA_BUNDLE", "SSL_CERT_FILE", "CURL_CA_BUNDLE"):
+        path = (os.environ.get(key) or "").strip()
+        if path and os.path.isfile(path):
+            _requests_verify_value = path
+            return _requests_verify_value
+
+    for path in _SYSTEM_CA_BUNDLE_CANDIDATES:
+        try:
+            if path and os.path.isfile(path) and os.path.getsize(path) >= 256:
+                _requests_verify_value = path
+                return _requests_verify_value
+        except OSError:
+            continue
+
+    try:
+        import certifi
+
+        _requests_verify_value = certifi.where()
+    except ImportError:
+        _requests_verify_value = True
+    return _requests_verify_value
+
 
 @dataclass
 class LiveOrderResult:
@@ -51,15 +114,26 @@ class BaseRestClient:
         data: Optional[Any] = None,
     ) -> Tuple[int, Dict[str, Any], str]:
         url = self._url(path)
-        resp = requests.request(
-            method=str(method or "GET").upper(),
-            url=url,
-            params=params or None,
-            json=json_body if json_body is not None else None,
-            data=data,
-            headers=headers or None,
-            timeout=self.timeout_sec,
-        )
+        try:
+            resp = requests.request(
+                method=str(method or "GET").upper(),
+                url=url,
+                params=params or None,
+                json=json_body if json_body is not None else None,
+                data=data,
+                headers=headers or None,
+                timeout=self.timeout_sec,
+                verify=_get_requests_verify(),
+            )
+        except requests.exceptions.SSLError as e:
+            logger.warning(
+                "Exchange HTTPS TLS verify failed (%s). Same setting applies to all REST exchanges (Gate, HTX/hbdm, etc.). "
+                "Behind PROXY_URL/SOCKS or TLS inspection: set LIVE_TRADING_CA_BUNDLE to a PEM bundle (or REQUESTS_CA_BUNDLE), "
+                "ensure ca-certificates in the image, or dev-only LIVE_TRADING_SSL_VERIFY=false. %s",
+                url,
+                e,
+            )
+            raise
         text = resp.text or ""
         parsed: Dict[str, Any] = {}
         try:

backend_api_python/app/services/live_trading/bybit.py

@@ -32,7 +32,7 @@ class BybitClient(BaseRestClient):
         base_url: str = "https://api.bybit.com",
         timeout_sec: float = 15.0,
         category: str = "linear",  # "linear" (USDT perpetual) or "spot"
-        recv_window_ms: int = 5000,
+        recv_window_ms: int = 12000,
         broker_referer: str = "",
         hedge_mode: bool = False,
     ):
@@ -45,11 +45,13 @@ class BybitClient(BaseRestClient):
         if self.category not in ("linear", "spot"):
             self.category = "linear"
         try:
-            self.recv_window_ms = int(recv_window_ms or 5000)
+            self.recv_window_ms = int(recv_window_ms or 12000)
         except Exception:
+            self.recv_window_ms = 12000
+        if self.recv_window_ms < 5000:
             self.recv_window_ms = 5000
-        if self.recv_window_ms <= 0:
-            self.recv_window_ms = 5000
+        if self.recv_window_ms > 60000:
+            self.recv_window_ms = 60000
 
         if not self.api_key or not self.secret_key:
             raise LiveTradingError("Missing Bybit api_key/secret_key")
@@ -59,6 +61,12 @@ class BybitClient(BaseRestClient):
         self._inst_cache: Dict[str, Tuple[float, Dict[str, Any]]] = {}
         self._inst_cache_ttl_sec = 300.0
 
+        # Bybit v5 rejects requests if local clock diverges from server (retCode 10002).
+        # Offset = server_ms - local_ms; signed timestamp uses local_ms + offset.
+        self._time_offset_ms: int = 0
+        self._time_offset_at: float = 0.0
+        self._time_sync_ttl_sec: float = 55.0
+
     @staticmethod
     def _to_dec(x: Any) -> Decimal:
         try:
@@ -161,6 +169,48 @@ class BybitClient(BaseRestClient):
     def _sign(self, prehash: str) -> str:
         return hmac.new(self.secret_key.encode("utf-8"), prehash.encode("utf-8"), hashlib.sha256).hexdigest()
 
+    @staticmethod
+    def _parse_server_time_ms_from_market_time(raw: Dict[str, Any]) -> int:
+        """Parse milliseconds from GET /v5/market/time (or similar) JSON."""
+        if not isinstance(raw, dict):
+            raise LiveTradingError("Bybit market/time: invalid response")
+        res = raw.get("result")
+        if isinstance(res, dict):
+            nano = res.get("timeNano")
+            if nano is not None and str(nano).strip() != "":
+                try:
+                    return int(int(str(nano)) // 1_000_000)
+                except Exception:
+                    pass
+            sec = res.get("timeSecond")
+            if sec is not None and str(sec).strip() != "":
+                try:
+                    return int(float(sec) * 1000)
+                except Exception:
+                    pass
+        t = raw.get("time")
+        if t is not None:
+            try:
+                return int(t)
+            except Exception:
+                pass
+        raise LiveTradingError("Bybit market/time: missing time fields")
+
+    def sync_server_time_offset(self, *, force: bool = False) -> None:
+        """Align signing timestamp with Bybit server (public /v5/market/time)."""
+        now = time.time()
+        if (
+            not force
+            and self._time_offset_at > 0
+            and (now - self._time_offset_at) < float(self._time_sync_ttl_sec or 55.0)
+        ):
+            return
+        raw = self._public_request("GET", "/v5/market/time")
+        srv_ms = self._parse_server_time_ms_from_market_time(raw)
+        local_ms = int(time.time() * 1000)
+        self._time_offset_ms = int(srv_ms - local_ms)
+        self._time_offset_at = now
+
     def _resolve_position_idx(self, pos_side: str) -> Optional[int]:
         if not self.hedge_mode:
             return None
@@ -193,32 +243,55 @@ class BybitClient(BaseRestClient):
         json_body: Optional[Dict[str, Any]] = None,
     ) -> Dict[str, Any]:
         m = str(method or "GET").upper()
-        ts_ms = str(int(time.time() * 1000))
-
         body_str = self._json_dumps(json_body) if json_body is not None else ""
-        qs = ""
+        qs_base = ""
         if params:
             norm = {str(k): "" if v is None else str(v) for k, v in dict(params).items()}
-            qs = urlencode(sorted(norm.items()), doseq=True)
+            qs_base = urlencode(sorted(norm.items()), doseq=True)
+        payload_get = qs_base
+        payload_post = body_str
 
-        payload = qs if m == "GET" else body_str
-        prehash = f"{ts_ms}{self.api_key}{self.recv_window_ms}{payload}"
-        sign = self._sign(prehash)
+        last_err: Optional[LiveTradingError] = None
+        for attempt in range(2):
+            try:
+                self.sync_server_time_offset(force=(attempt > 0))
+            except Exception as e:
+                if attempt == 0:
+                    # First attempt: still try with raw local time; second pass may recover.
+                    pass
+                else:
+                    raise LiveTradingError(f"Bybit time sync failed: {e}") from e
 
-        code, data, text = self._request(
-            m,
-            path,
-            params=params if (m == "GET" and params) else (params or None),
-            data=body_str if body_str else None,
-            headers=self._headers(ts_ms, sign),
-        )
-        if code >= 400:
-            raise LiveTradingError(f"Bybit HTTP {code}: {text[:500]}")
-        if isinstance(data, dict):
-            rc = data.get("retCode")
-            if rc not in (0, "0", None, ""):
-                raise LiveTradingError(f"Bybit error: {data}")
-        return data if isinstance(data, dict) else {"raw": data}
+            ts_ms = str(int(time.time() * 1000) + int(self._time_offset_ms or 0))
+            payload = payload_get if m == "GET" else payload_post
+            prehash = f"{ts_ms}{self.api_key}{self.recv_window_ms}{payload}"
+            sign = self._sign(prehash)
+
+            code, data, text = self._request(
+                m,
+                path,
+                params=params if (m == "GET" and params) else (params or None),
+                data=body_str if body_str else None,
+                headers=self._headers(ts_ms, sign),
+            )
+            if code >= 400:
+                raise LiveTradingError(f"Bybit HTTP {code}: {text[:500]}")
+            if isinstance(data, dict):
+                rc = data.get("retCode")
+                try:
+                    rc_int = int(rc) if rc is not None and str(rc).strip() != "" else 0
+                except Exception:
+                    rc_int = -1
+                if rc_int == 10002 and attempt == 0:
+                    last_err = LiveTradingError(f"Bybit error: {data}")
+                    continue
+                if rc not in (0, "0", None, ""):
+                    raise LiveTradingError(f"Bybit error: {data}")
+            return data if isinstance(data, dict) else {"raw": data}
+
+        if last_err:
+            raise last_err
+        raise LiveTradingError("Bybit signed request failed after time resync")
 
     def _public_request(self, method: str, path: str, *, params: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
         code, data, text = self._request(method, path, params=params, headers=None, json_body=None, data=None)
@@ -237,6 +310,109 @@ class BybitClient(BaseRestClient):
         except Exception:
             return False
 
+    @staticmethod
+    def _row_to_ticker_out(row: Dict[str, Any]) -> Dict[str, Any]:
+        if not isinstance(row, dict):
+            return {}
+        last_raw = row.get("lastPrice") or row.get("last") or row.get("markPrice") or row.get("indexPrice") or 0
+        try:
+            px = float(str(last_raw).replace(",", "").strip() or 0)
+        except Exception:
+            px = 0.0
+        if px <= 0:
+            return {}
+        out: Dict[str, Any] = dict(row)
+        out["last"] = px
+        out["price"] = px
+        return out
+
+    def get_ticker(self, *, symbol: str) -> Dict[str, Any]:
+        """
+        Public market price for USDT notional -> base qty (quick_trade / execution).
+
+        Tries: ``/v5/market/tickers`` (by symbol) → ``/v5/market/orderbook`` (mid) →
+        ``/v5/market/tickers`` (category-only, scan list). Some environments return an empty
+        ticker list for filtered queries; fallbacks avoid silent failure.
+        """
+        sym = to_bybit_symbol(symbol)
+        if not sym:
+            return {}
+        cat = "spot" if (self.category or "").strip().lower() == "spot" else "linear"
+        sym_u = sym.upper()
+
+        # 1) Filtered tickers (preferred)
+        try:
+            raw = self._public_request("GET", "/v5/market/tickers", params={"category": cat, "symbol": sym_u})
+            lst = (((raw or {}).get("result") or {}).get("list")) if isinstance(raw, dict) else None
+            if isinstance(lst, list) and lst:
+                out = self._row_to_ticker_out(lst[0] if isinstance(lst[0], dict) else {})
+                if out:
+                    return out
+        except LiveTradingError:
+            pass
+        except Exception:
+            pass
+
+        # 2) Order book mid (bid/ask)
+        try:
+            ob = self._public_request(
+                "GET",
+                "/v5/market/orderbook",
+                params={"category": cat, "symbol": sym_u, "limit": 25},
+            )
+            res = (ob.get("result") or {}) if isinstance(ob, dict) else {}
+            bids = res.get("b") or []
+            asks = res.get("a") or []
+            bid_p = 0.0
+            ask_p = 0.0
+            if isinstance(bids, list) and bids and isinstance(bids[0], (list, tuple)) and len(bids[0]) > 0:
+                try:
+                    bid_p = float(str(bids[0][0]).replace(",", ""))
+                except Exception:
+                    bid_p = 0.0
+            if isinstance(asks, list) and asks and isinstance(asks[0], (list, tuple)) and len(asks[0]) > 0:
+                try:
+                    ask_p = float(str(asks[0][0]).replace(",", ""))
+                except Exception:
+                    ask_p = 0.0
+            mid = 0.0
+            if bid_p > 0 and ask_p > 0:
+                mid = (bid_p + ask_p) / 2.0
+            else:
+                mid = bid_p or ask_p
+            if mid > 0:
+                return {
+                    "symbol": sym_u,
+                    "last": mid,
+                    "price": mid,
+                    "bid1Price": bid_p,
+                    "ask1Price": ask_p,
+                }
+        except LiveTradingError:
+            pass
+        except Exception:
+            pass
+
+        # 3) Full category ticker list, match symbol (larger payload; last resort)
+        try:
+            raw = self._public_request("GET", "/v5/market/tickers", params={"category": cat})
+            lst = (((raw or {}).get("result") or {}).get("list")) if isinstance(raw, dict) else None
+            if isinstance(lst, list):
+                for row in lst:
+                    if not isinstance(row, dict):
+                        continue
+                    if str(row.get("symbol") or "").strip().upper() != sym_u:
+                        continue
+                    out = self._row_to_ticker_out(row)
+                    if out:
+                        return out
+        except LiveTradingError:
+            pass
+        except Exception:
+            pass
+
+        return {}
+
     def get_wallet_balance(self, *, account_type: str = "UNIFIED") -> Dict[str, Any]:
         return self._signed_request("GET", "/v5/account/wallet-balance", params={"accountType": str(account_type or "UNIFIED")})
 
@@ -497,10 +673,28 @@ class BybitClient(BaseRestClient):
                 return {"filled": filled, "avg_price": avg_price, "fee": fee, "fee_ccy": fee_ccy, "status": status, "order": last}
             time.sleep(float(poll_interval_sec or 0.5))
 
-    def get_positions(self) -> Dict[str, Any]:
+    def get_positions(
+        self,
+        *,
+        symbol: str = "",
+        settle_coin: str = "",
+    ) -> Dict[str, Any]:
+        """
+        GET /v5/position/list — Bybit v5 requires ``symbol`` OR ``settleCoin`` with ``category``.
+
+        - Pass ``symbol`` (e.g. ETH/USDT) to query one contract.
+        - Omit ``symbol`` and pass ``settle_coin`` (default USDT) to list all USDT-linear positions.
+        """
         if self.category != "linear":
             raise LiveTradingError("Bybit positions are only supported for linear category in this client")
-        return self._signed_request("GET", "/v5/position/list", params={"category": "linear"})
+        params: Dict[str, Any] = {"category": "linear"}
+        sym = to_bybit_symbol(symbol) if (symbol or "").strip() else ""
+        if sym:
+            params["symbol"] = sym
+        else:
+            sc = (settle_coin or "USDT").strip().upper() or "USDT"
+            params["settleCoin"] = sc
+        return self._signed_request("GET", "/v5/position/list", params=params)
 
     def set_leverage(self, *, symbol: str, leverage: float) -> bool:
         if self.category != "linear":

backend_api_python/app/services/live_trading/factory.py

@@ -117,7 +117,7 @@ def create_client(exchange_config: Dict[str, Any], *, market_type: str = "swap")
         default_bybit = "https://api-testnet.bybit.com" if is_demo else "https://api.bybit.com"
         base_url = _get(exchange_config, "base_url", "baseUrl") or default_bybit
         category = "spot" if mt == "spot" else "linear"
-        recv_window_ms = int(exchange_config.get("recv_window_ms") or exchange_config.get("recvWindow") or 5000)
+        recv_window_ms = int(exchange_config.get("recv_window_ms") or exchange_config.get("recvWindow") or 12000)
         broker_referer = _get(exchange_config, "bybit_referer", "broker_referer", "brokerReferer") or "Ri001020"
         hedge_mode_raw = exchange_config.get("hedge_mode")
         if hedge_mode_raw is None:

backend_api_python/app/services/live_trading/gate.py

@@ -4,7 +4,7 @@ Gate.io (direct REST) clients:
 - Futures USDT: /api/v4/futures/usdt/*
 
 Signing (apiv4):
-SIGN = hex(hmac_sha512(secret, method + "\\n" + url + "\\n" + query + "\\n" + body + "\\n" + timestamp))
+SIGN = hex(hmac_sha512(secret, method + "\\n" + url + "\\n" + query + "\\n" + hexencode(sha512(payload)) + "\\n" + timestamp))
 Headers:
 - KEY: api key
 - Timestamp: unix seconds
@@ -15,14 +15,42 @@ from __future__ import annotations
 
 import hashlib
 import hmac
+import logging
 import time
-from decimal import Decimal, ROUND_DOWN
-from typing import Any, Dict, Optional, Tuple
+from decimal import Decimal, ROUND_DOWN, ROUND_UP
+from typing import Any, Dict, Optional, Tuple, Union
 from urllib.parse import urlencode
 
 from app.services.live_trading.base import BaseRestClient, LiveOrderResult, LiveTradingError
 from app.services.live_trading.symbols import to_gate_currency_pair
 
+logger = logging.getLogger(__name__)
+
+
+def _gate_ticker_response_to_normalized(raw: Any) -> Dict[str, Any]:
+    """Parse Gate spot/futures tickers API (array of one row) into a dict with float ``last`` for quick_trade."""
+    row: Dict[str, Any] = {}
+    if isinstance(raw, list) and raw and isinstance(raw[0], dict):
+        row = raw[0]
+    elif isinstance(raw, dict) and raw:
+        row = raw
+    else:
+        return {}
+    last = 0.0
+    for key in ("last", "mark_price", "index_price", "close", "price"):
+        v = row.get(key)
+        if v is not None and str(v).strip():
+            try:
+                last = float(str(v).replace(",", ""))
+                break
+            except Exception:
+                continue
+    out = dict(row)
+    out["last"] = last
+    out["close"] = last
+    out["price"] = last
+    return out
+
 
 class _GateBase(BaseRestClient):
     def __init__(self, *, api_key: str, secret_key: str, base_url: str = "https://api.gateio.ws", timeout_sec: float = 15.0, channel_id: str = ""):
@@ -34,7 +62,10 @@ class _GateBase(BaseRestClient):
             raise LiveTradingError("Missing Gate api_key/secret_key")
 
     def _sign(self, *, method: str, url: str, query_string: str, body_str: str, ts: str) -> str:
-        msg = f"{method.upper()}\n{url}\n{query_string}\n{body_str}\n{ts}"
+        # Per https://www.gate.com/docs/developers/apiv4/en/#authentication — payload slot is SHA512(body).hexdigest(),
+        # not the raw body (GET / no body => hash of empty string).
+        hashed_payload = hashlib.sha512((body_str or "").encode("utf-8")).hexdigest()
+        msg = f"{method.upper()}\n{url}\n{query_string}\n{hashed_payload}\n{ts}"
         return hmac.new(self.secret_key.encode("utf-8"), msg.encode("utf-8"), hashlib.sha512).hexdigest()
 
     def _headers(self, ts: str, sign: str) -> Dict[str, str]:
@@ -58,7 +89,15 @@ class _GateBase(BaseRestClient):
             text = f"t-{text}"
         return text[:28]
 
-    def _signed_request(self, method: str, path: str, *, params: Optional[Dict[str, Any]] = None, json_body: Optional[Dict[str, Any]] = None) -> Any:
+    def _signed_request(
+        self,
+        method: str,
+        path: str,
+        *,
+        params: Optional[Dict[str, Any]] = None,
+        json_body: Optional[Dict[str, Any]] = None,
+        extra_headers: Optional[Dict[str, str]] = None,
+    ) -> Any:
         m = str(method or "GET").upper()
         ts = str(int(time.time()))
         body_str = self._json_dumps(json_body) if json_body is not None else ""
@@ -67,7 +106,10 @@ class _GateBase(BaseRestClient):
             norm = {str(k): "" if v is None else str(v) for k, v in dict(params).items()}
             qs = urlencode(sorted(norm.items()), doseq=True)
         sign = self._sign(method=m, url=path, query_string=qs, body_str=body_str, ts=ts)
-        code, data, text = self._request(m, path, params=params, data=body_str if body_str else None, headers=self._headers(ts, sign))
+        hdrs = dict(self._headers(ts, sign))
+        if extra_headers:
+            hdrs.update({str(k): str(v) for k, v in extra_headers.items()})
+        code, data, text = self._request(m, path, params=params, data=body_str if body_str else None, headers=hdrs)
         if code >= 400:
             raise LiveTradingError(f"Gate HTTP {code}: {text[:500]}")
         return data
@@ -87,6 +129,11 @@ class GateSpotClient(_GateBase):
         except Exception:
             return False
 
+    def get_ticker(self, *, symbol: str) -> Dict[str, Any]:
+        pair = to_gate_currency_pair(symbol)
+        raw = self._public_request("GET", "/api/v4/spot/tickers", params={"currency_pair": pair})
+        return _gate_ticker_response_to_normalized(raw)
+
     def get_accounts(self) -> Any:
         return self._signed_request("GET", "/api/v4/spot/accounts")
 
@@ -204,13 +251,21 @@ class GateUsdtFuturesClient(_GateBase):
             return Decimal("0")
 
     def ping(self) -> bool:
+        # Gate futures REST no longer serves /api/v4/futures/usdt/time (returns 400 on fx-api / api hosts).
+        # Use a lightweight public list call instead.
         try:
-            _ = self._public_request("GET", "/api/v4/futures/usdt/time")
+            _ = self._public_request("GET", "/api/v4/futures/usdt/contracts", params={"limit": 1})
             return True
         except Exception:
             return False
 
+    def get_ticker(self, *, symbol: str) -> Dict[str, Any]:
+        contract = to_gate_currency_pair(symbol)
+        raw = self._public_request("GET", "/api/v4/futures/usdt/tickers", params={"contract": contract})
+        return _gate_ticker_response_to_normalized(raw)
+
     def get_contract(self, *, contract: str) -> Dict[str, Any]:
+        """Fetch contract metadata with ``X-Gate-Size-Decimal: 1`` to get accurate string-typed size fields."""
         c = str(contract or "").strip()
         if not c:
             return {}
@@ -220,33 +275,122 @@ class GateUsdtFuturesClient(_GateBase):
             ts, obj = cached
             if obj and (now - float(ts or 0.0)) <= float(self._contract_cache_ttl_sec or 300.0):
                 return obj
-        raw = self._public_request("GET", f"/api/v4/futures/usdt/contracts/{c}")
-        obj = raw if isinstance(raw, dict) else {}
+        code, data, text = self._request(
+            "GET", f"/api/v4/futures/usdt/contracts/{c}",
+            params=None, headers={"X-Gate-Size-Decimal": "1"},
+            json_body=None, data=None,
+        )
+        if code >= 400:
+            raise LiveTradingError(f"Gate HTTP {code}: {text[:500]}")
+        obj = data if isinstance(data, dict) else {}
         if obj:
             self._contract_cache[c] = (now, obj)
         return obj
 
-    def _base_to_contracts(self, *, contract: str, base_size: float) -> int:
+    @staticmethod
+    def _decimal_places(d: Decimal) -> int:
+        """Return the number of decimal places in a Decimal value."""
+        sign, digits, exponent = d.as_tuple()
+        return max(0, -int(exponent))
+
+    def _resolve_order_size(self, *, contract: str, side: str, base_size: float) -> Tuple[str, Optional[Dict[str, str]]]:
+        """
+        Convert base-asset qty to a signed Gate ``size`` string and determine whether to use
+        the ``X-Gate-Size-Decimal`` header.
+
+        Per Gate announcement (2025-12-18):
+        - ``size`` is always in **contracts** (not base-asset units).
+        - With ``X-Gate-Size-Decimal: 1``, ``size`` becomes a string that supports decimals.
+        - A contract supports fractional ordering when ``order_size_min`` (queried with the
+          decimal header) contains a fractional part (e.g. ``"0.1"``).
+        - Precision must align with ``order_size_min`` (e.g. if min is ``"0.1"`` → 1 dp).
+        """
+        sd = (side or "").strip().lower()
+        sign = Decimal("1") if sd == "buy" else Decimal("-1")
         req = self._to_dec(base_size)
         if req <= 0:
-            return 0
+            return ("0", None)
+
         meta: Dict[str, Any] = {}
         try:
             meta = self.get_contract(contract=contract) or {}
         except Exception:
             meta = {}
-        qm = self._to_dec(meta.get("quanto_multiplier") or meta.get("quantoMultiplier") or meta.get("contract_size") or meta.get("contractSize") or "0")
+
+        qm = self._to_dec(meta.get("quanto_multiplier") or meta.get("quantoMultiplier") or "0")
         if qm <= 0:
-            # Fallback: 1 contract ~= 1 base unit (best-effort)
             qm = Decimal("1")
+
         contracts = req / qm
-        return int(self._floor(contracts))
+
+        order_min = self._to_dec(meta.get("order_size_min") or "1")
+        if order_min <= 0:
+            order_min = Decimal("1")
+        dp = self._decimal_places(order_min)
+
+        if dp > 0:
+            step = Decimal(10) ** (-dp)
+            q = contracts.quantize(step, rounding=ROUND_DOWN)
+            if q < order_min and contracts > 0:
+                q = order_min
+            signed_q = q * sign
+            s = format(signed_q, "f")
+            if "." in s:
+                s = s.rstrip("0").rstrip(".")
+            return (s if s and s not in ("-", "+", "-0", "+0", "0") else "0",
+                    {"X-Gate-Size-Decimal": "1"})
+        else:
+            iv = int(self._floor(contracts))
+            int_min = max(1, int(order_min))
+            if iv < int_min and contracts > 0:
+                iv = int_min
+            signed_iv = int(Decimal(iv) * sign)
+            return (str(signed_iv), None)
+
+    def _base_to_contracts(self, *, contract: str, base_size: float) -> int:
+        """Integer contracts estimate (for internal use like position sizing display)."""
+        meta: Dict[str, Any] = {}
+        try:
+            meta = self.get_contract(contract=contract) or {}
+        except Exception:
+            meta = {}
+        qm = self._to_dec(meta.get("quanto_multiplier") or "0")
+        if qm <= 0:
+            qm = Decimal("1")
+        return max(1, int(self._floor(self._to_dec(base_size) / qm)))
+
+    def contracts_signed_to_base_qty(self, *, contract: str, contracts_signed: float) -> float:
+        """Convert signed position size (contracts) from Gate positions API to base-asset quantity."""
+        try:
+            ct = abs(float(contracts_signed or 0.0))
+        except Exception:
+            return 0.0
+        if ct <= 0:
+            return 0.0
+        meta: Dict[str, Any] = {}
+        try:
+            meta = self.get_contract(contract=str(contract)) or {}
+        except Exception:
+            meta = {}
+        qm = self._to_dec(
+            meta.get("quanto_multiplier")
+            or meta.get("quantoMultiplier")
+            or meta.get("contract_size")
+            or meta.get("contractSize")
+            or "0"
+        )
+        if qm <= 0:
+            qm = Decimal("1")
+        return float(Decimal(str(ct)) * qm)
 
     def get_accounts(self) -> Any:
         return self._signed_request("GET", "/api/v4/futures/usdt/accounts")
 
     def get_positions(self) -> Any:
-        return self._signed_request("GET", "/api/v4/futures/usdt/positions")
+        return self._signed_request(
+            "GET", "/api/v4/futures/usdt/positions",
+            extra_headers={"X-Gate-Size-Decimal": "1"},
+        )
 
     def set_leverage(self, *, contract: str, leverage: float) -> bool:
         c = str(contract or "").strip()
@@ -258,11 +402,26 @@ class GateUsdtFuturesClient(_GateBase):
             lv = 1
         if lv < 1:
             lv = 1
-        try:
-            _ = self._signed_request("POST", f"/api/v4/futures/usdt/positions/{c}/leverage", json_body={"leverage": str(lv)})
-            return True
-        except Exception:
-            return False
+        path = f"/api/v4/futures/usdt/positions/{c}/leverage"
+        lv_s = str(lv)
+        # Gate expects ``leverage`` / ``cross_leverage_limit`` as **query parameters**, not JSON body
+        # (see gateapi-python: update_position_leverage). Cross / portfolio mode: leverage=0 + cross_leverage_limit.
+        attempts: Tuple[Dict[str, str], ...] = (
+            {"leverage": lv_s},
+            {"leverage": "0", "cross_leverage_limit": lv_s},
+            {"leverage": lv_s, "cross_leverage_limit": lv_s},
+        )
+        last_err: Optional[Exception] = None
+        for qp in attempts:
+            try:
+                _ = self._signed_request("POST", path, params=qp, json_body=None)
+                return True
+            except LiveTradingError as e:
+                last_err = e
+            except Exception as e:
+                last_err = e
+        logger.warning("Gate set_leverage failed contract=%s leverage=%s: %s", c, lv, last_err)
+        return False
 
     def place_market_order(
         self,
@@ -276,18 +435,27 @@ class GateUsdtFuturesClient(_GateBase):
         sd = (side or "").strip().lower()
         if sd not in ("buy", "sell"):
             raise LiveTradingError(f"Invalid side: {side}")
+        base_qty = float(size or 0.0)
+        if base_qty <= 0:
+            raise LiveTradingError("Invalid size (<= 0)")
         contract = to_gate_currency_pair(symbol)
-        csz = self._base_to_contracts(contract=contract, base_size=float(size or 0.0))
-        if csz <= 0:
-            raise LiveTradingError("Invalid size (converted contracts <= 0)")
-        signed_size = int(csz) if sd == "buy" else -int(csz)
-        body: Dict[str, Any] = {"contract": contract, "size": signed_size, "price": "0", "tif": "ioc"}
+        size_str, extra_headers = self._resolve_order_size(contract=contract, side=sd, base_size=base_qty)
+        if size_str in ("0", "-0", ""):
+            raise LiveTradingError("Invalid size (resolved contracts == 0)")
+        logger.info("Gate futures market: contract=%s side=%s base_qty=%s size_str=%s decimal_hdr=%s",
+                     contract, sd, base_qty, size_str, extra_headers is not None)
+        body: Dict[str, Any] = {"contract": contract, "size": size_str, "price": "0", "tif": "ioc"}
         if reduce_only:
             body["reduce_only"] = True
         text = self._format_text(client_order_id)
         if text:
             body["text"] = text
-        raw = self._signed_request("POST", "/api/v4/futures/usdt/orders", json_body=body)
+        raw = self._signed_request(
+            "POST",
+            "/api/v4/futures/usdt/orders",
+            json_body=body,
+            extra_headers=extra_headers,
+        )
         oid = str(raw.get("id") or "") if isinstance(raw, dict) else ""
         return LiveOrderResult(exchange_id="gate", exchange_order_id=oid, filled=0.0, avg_price=0.0, raw=raw if isinstance(raw, dict) else {"raw": raw})
 
@@ -304,21 +472,28 @@ class GateUsdtFuturesClient(_GateBase):
         sd = (side or "").strip().lower()
         if sd not in ("buy", "sell"):
             raise LiveTradingError(f"Invalid side: {side}")
-        contract = to_gate_currency_pair(symbol)
-        csz = self._base_to_contracts(contract=contract, base_size=float(size or 0.0))
-        if csz <= 0:
-            raise LiveTradingError("Invalid size (converted contracts <= 0)")
+        base_qty = float(size or 0.0)
+        if base_qty <= 0:
+            raise LiveTradingError("Invalid size (<= 0)")
         px = float(price or 0.0)
         if px <= 0:
             raise LiveTradingError("Invalid price")
-        signed_size = int(csz) if sd == "buy" else -int(csz)
-        body: Dict[str, Any] = {"contract": contract, "size": signed_size, "price": str(px), "tif": "gtc"}
+        contract = to_gate_currency_pair(symbol)
+        size_str, extra_headers = self._resolve_order_size(contract=contract, side=sd, base_size=base_qty)
+        if size_str in ("0", "-0", ""):
+            raise LiveTradingError("Invalid size (resolved contracts == 0)")
+        body: Dict[str, Any] = {"contract": contract, "size": size_str, "price": str(px), "tif": "gtc"}
         if reduce_only:
             body["reduce_only"] = True
         text = self._format_text(client_order_id)
         if text:
             body["text"] = text
-        raw = self._signed_request("POST", "/api/v4/futures/usdt/orders", json_body=body)
+        raw = self._signed_request(
+            "POST",
+            "/api/v4/futures/usdt/orders",
+            json_body=body,
+            extra_headers=extra_headers,
+        )
         oid = str(raw.get("id") or "") if isinstance(raw, dict) else ""
         return LiveOrderResult(exchange_id="gate", exchange_order_id=oid, filled=0.0, avg_price=0.0, raw=raw if isinstance(raw, dict) else {"raw": raw})
 

backend_api_python/app/services/live_trading/htx.py

@@ -19,9 +19,13 @@ from urllib.parse import urlencode, urlparse
 import datetime
 import time
 
+import logging
+
 from app.services.live_trading.base import BaseRestClient, LiveOrderResult, LiveTradingError
 from app.services.live_trading.symbols import to_htx_contract_code, to_htx_spot_symbol
 
+logger = logging.getLogger(__name__)
+
 
 class HtxClient(BaseRestClient):
     def __init__(
@@ -53,6 +57,17 @@ class HtxClient(BaseRestClient):
         self._contract_cache_ttl_sec = 300.0
         self._lever_cache: Dict[str, int] = {}
 
+    @staticmethod
+    def _format_swap_client_order_id(client_order_id: Optional[str]) -> Optional[int]:
+        """HTX swap/linear-swap client_order_id must be a pure numeric long (1~9223372036854775807)."""
+        if not client_order_id:
+            return None
+        digits = "".join(c for c in str(client_order_id) if c.isdigit())
+        if not digits:
+            digits = str(int(time.time() * 1000))
+        val = int(digits[-18:])
+        return val if 0 < val <= 9223372036854775807 else None
+
     def _format_spot_client_order_id(self, client_order_id: Optional[str]) -> str:
         prefix = str(self.broker_id or "").strip()
         raw = str(client_order_id or "").strip()
@@ -202,11 +217,33 @@ class HtxClient(BaseRestClient):
         if self.market_type == "spot":
             account_id = self._get_spot_account_id()
             return self._spot_private_request("GET", f"/v1/account/accounts/{account_id}/balance")
-        raw = self._swap_private_request("POST", "/linear-swap-api/v1/swap_cross_account_info", json_body={"margin_account": "USDT"})
-        data = raw.get("data")
-        if data:
-            return raw
-        return self._swap_private_request("POST", "/linear-swap-api/v1/swap_account_info", json_body={})
+        # 1) v1 cross
+        try:
+            raw = self._swap_private_request("POST", "/linear-swap-api/v1/swap_cross_account_info", json_body={"margin_account": "USDT"})
+            data = raw.get("data")
+            if data:
+                return raw
+        except LiveTradingError as e:
+            logger.debug("HTX v1 cross account_info failed: %s", e)
+        # 2) v3 unified (unified / multi-asset collateral accounts)
+        try:
+            raw = self._swap_private_request("GET", "/linear-swap-api/v3/unified_account_info")
+            v3_code = raw.get("code")
+            if v3_code is not None and int(v3_code) == 200:
+                data = raw.get("data")
+                if isinstance(data, list) and data:
+                    logger.info("HTX v3 unified_account_info succeeded")
+                    return raw
+            else:
+                logger.debug("HTX v3 unified_account_info returned code=%s", v3_code)
+        except (LiveTradingError, Exception) as e:
+            logger.debug("HTX v3 unified_account_info failed: %s", e)
+        # 3) v1 isolated
+        try:
+            return self._swap_private_request("POST", "/linear-swap-api/v1/swap_account_info", json_body={})
+        except LiveTradingError as e:
+            logger.warning("HTX all balance endpoints failed, last error: %s", e)
+            return {"data": []}
 
     def get_positions(self, *, symbol: str = "") -> Any:
         if self.market_type == "spot":
@@ -235,11 +272,35 @@ class HtxClient(BaseRestClient):
             return {"data": rows}
 
         body = {"contract_code": to_htx_contract_code(symbol)} if symbol else {}
-        raw = self._swap_private_request("POST", "/linear-swap-api/v1/swap_cross_position_info", json_body=body)
-        data = raw.get("data")
-        if data:
-            return raw
-        return self._swap_private_request("POST", "/linear-swap-api/v1/swap_position_info", json_body=body)
+        # 1) v1 cross
+        try:
+            raw = self._swap_private_request("POST", "/linear-swap-api/v1/swap_cross_position_info", json_body=body)
+            data = raw.get("data")
+            if data:
+                return raw
+        except LiveTradingError as e:
+            logger.debug("HTX v1 cross position_info failed: %s", e)
+        # 2) v1 isolated
+        try:
+            raw = self._swap_private_request("POST", "/linear-swap-api/v1/swap_position_info", json_body=body)
+            data = raw.get("data")
+            if data:
+                return raw
+        except LiveTradingError as e:
+            logger.debug("HTX v1 isolated position_info failed: %s", e)
+        # 3) v3 unified - extract positions from cross_swap sub-array
+        try:
+            raw = self._swap_private_request("GET", "/linear-swap-api/v3/unified_account_info")
+            v3_code = raw.get("code")
+            if v3_code is not None and int(v3_code) == 200:
+                v3_data = raw.get("data") or []
+                if isinstance(v3_data, list) and v3_data:
+                    logger.info("HTX v3 unified_account_info for positions succeeded")
+                    return raw
+        except (LiveTradingError, Exception) as e:
+            logger.debug("HTX v3 unified_account_info (positions) failed: %s", e)
+        logger.warning("HTX all position endpoints failed for symbol=%s", symbol)
+        return {"data": []}
 
     def get_ticker(self, *, symbol: str) -> Dict[str, Any]:
         if self.market_type == "spot":
@@ -355,7 +416,7 @@ class HtxClient(BaseRestClient):
             raise LiveTradingError(f"Invalid side: {side}")
         offset = "close" if reduce_only else "open"
         lever_rate = int(self._lever_cache.get(contract_code) or 5)
-        body = {
+        body: Dict[str, Any] = {
             "contract_code": contract_code,
             "volume": volume,
             "direction": sd,
@@ -365,8 +426,18 @@ class HtxClient(BaseRestClient):
         }
         if self.broker_id:
             body["channel_code"] = self.broker_id
-        if client_order_id:
-            body["client_order_id"] = str(client_order_id)[:64]
+        swap_coid = self._format_swap_client_order_id(client_order_id)
+        if swap_coid is not None:
+            body["client_order_id"] = swap_coid
+        cross_body = dict(body)
+        cross_body["margin_account"] = "USDT"
+        try:
+            raw = self._swap_private_request("POST", "/linear-swap-api/v1/swap_cross_order", json_body=cross_body)
+            data = raw.get("data") or {}
+            oid = str(data.get("order_id_str") or data.get("order_id") or "")
+            return LiveOrderResult(exchange_id="htx", exchange_order_id=oid, filled=0.0, avg_price=0.0, raw=raw)
+        except LiveTradingError as e:
+            logger.info("HTX swap_cross_order failed, trying swap_order: %s", e)
         raw = self._swap_private_request("POST", "/linear-swap-api/v1/swap_order", json_body=body)
         data = raw.get("data") or {}
         oid = str(data.get("order_id_str") or data.get("order_id") or "")
@@ -412,7 +483,7 @@ class HtxClient(BaseRestClient):
         contract_code = to_htx_contract_code(symbol)
         volume = self._base_to_contracts(symbol=symbol, qty=qty)
         lever_rate = int(self._lever_cache.get(contract_code) or 5)
-        body = {
+        body: Dict[str, Any] = {
             "contract_code": contract_code,
             "volume": volume,
             "direction": sd,
@@ -423,8 +494,18 @@ class HtxClient(BaseRestClient):
         }
         if self.broker_id:
             body["channel_code"] = self.broker_id
-        if client_order_id:
-            body["client_order_id"] = str(client_order_id)[:64]
+        swap_coid = self._format_swap_client_order_id(client_order_id)
+        if swap_coid is not None:
+            body["client_order_id"] = swap_coid
+        cross_body = dict(body)
+        cross_body["margin_account"] = "USDT"
+        try:
+            raw = self._swap_private_request("POST", "/linear-swap-api/v1/swap_cross_order", json_body=cross_body)
+            data = raw.get("data") or {}
+            oid = str(data.get("order_id_str") or data.get("order_id") or "")
+            return LiveOrderResult(exchange_id="htx", exchange_order_id=oid, filled=0.0, avg_price=0.0, raw=raw)
+        except LiveTradingError:
+            pass
         raw = self._swap_private_request("POST", "/linear-swap-api/v1/swap_order", json_body=body)
         data = raw.get("data") or {}
         oid = str(data.get("order_id_str") or data.get("order_id") or "")

backend_api_python/app/services/market_data_collector.py

@@ -129,7 +129,7 @@ class MarketDataCollector:
             }
             
             # 如果需要基本面，也并行获取
-            if market == 'USStock':
+            if market in ('USStock', 'CNStock', 'HKStock'):
                 core_futures[executor.submit(self._get_fundamental, market, symbol)] = "fundamental"
                 core_futures[executor.submit(self._get_company, market, symbol)] = "company"
             elif market == 'Crypto':
@@ -616,9 +616,94 @@ class MarketDataCollector:
         try:
             if market == 'USStock':
                 return self._get_us_fundamental(symbol)
+            if market in ('CNStock', 'HKStock'):
+                return self._get_cn_hk_fundamental(market, symbol)
         except Exception as e:
             logger.warning(f"Fundamental data fetch failed for {market}:{symbol}: {e}")
         return None
+
+    def _get_cn_hk_fundamental(self, market: str, symbol: str) -> Optional[Dict[str, Any]]:
+        """
+        CN/HK fundamentals — multi-tier:
+          Tier 1: Twelve Data /statistics (globally stable, paid)
+          Tier 2: AkShare / Eastmoney (fragile overseas)
+          + Tencent quote for live price fields
+        """
+        try:
+            from app.data_sources.tencent import (
+                normalize_cn_code,
+                normalize_hk_code,
+                fetch_quote,
+                parse_quote_to_ticker,
+            )
+            from app.data_sources.cn_hk_fundamentals import (
+                fetch_twelvedata_fundamental,
+                fetch_cn_fundamental_akshare,
+                fetch_hk_fundamental_akshare,
+            )
+
+            code = normalize_cn_code(symbol) if market == 'CNStock' else normalize_hk_code(symbol)
+            is_hk = market == 'HKStock'
+
+            parts = fetch_quote(code)
+            t = parse_quote_to_ticker(parts) if parts else {}
+            result: Dict[str, Any] = {
+                "pe_ratio": None,
+                "pb_ratio": None,
+                "ps_ratio": None,
+                "market_cap": None,
+                "dividend_yield": None,
+                "beta": None,
+                "52w_high": None,
+                "52w_low": None,
+                "roe": None,
+                "eps": None,
+                "last": t.get("last"),
+                "previous_close": t.get("previousClose"),
+                "change_percent": t.get("changePercent"),
+                "source": "tencent_quote",
+            }
+
+            # Tier 1: Twelve Data
+            td = {}
+            try:
+                td = fetch_twelvedata_fundamental(code, is_hk)
+            except Exception as e:
+                logger.debug("TwelveData fundamental failed %s:%s: %s", market, symbol, e)
+
+            if td:
+                result["source"] = "tencent_quote+twelvedata"
+                for k, v in td.items():
+                    if k == "source":
+                        continue
+                    if v is not None:
+                        result[k] = v
+
+            # Tier 2: AkShare (fill any remaining None fields)
+            has_valuation = result.get("pe_ratio") is not None or result.get("pb_ratio") is not None
+            if not has_valuation:
+                try:
+                    ak_data = fetch_cn_fundamental_akshare(code) if not is_hk else fetch_hk_fundamental_akshare(code)
+                except Exception as e:
+                    logger.debug("AkShare CN/HK fundamental failed %s:%s: %s", market, symbol, e)
+                    ak_data = {}
+                if ak_data:
+                    if "twelvedata" not in result.get("source", ""):
+                        result["source"] = "tencent_quote+akshare_em"
+                    else:
+                        result["source"] += "+akshare_em"
+                    for k, v in ak_data.items():
+                        if k == "source":
+                            continue
+                        if v is not None and result.get(k) is None:
+                            result[k] = v
+
+            if not parts and not td and not has_valuation:
+                return None
+            return result
+        except Exception as e:
+            logger.debug(f"CN/HK fundamental failed: {market}:{symbol}: {e}")
+            return None
     
     def _get_us_fundamental(self, symbol: str) -> Optional[Dict[str, Any]]:
         """
@@ -924,11 +1009,85 @@ class MarketDataCollector:
                         'market_cap': profile.get('marketCapitalization'),
                         'website': profile.get('weburl'),
                     }
+            if market in ('CNStock', 'HKStock'):
+                return self._get_cn_hk_company(market, symbol)
             
         except Exception as e:
             logger.debug(f"Company info fetch failed for {market}:{symbol}: {e}")
         
         return None
+
+    def _get_cn_hk_company(self, market: str, symbol: str) -> Optional[Dict[str, Any]]:
+        """
+        CN/HK company info — multi-tier:
+          Tier 1: Twelve Data /profile (globally stable)
+          Tier 2: AkShare / Eastmoney (fragile overseas)
+          + Tencent quote for Chinese name
+        """
+        try:
+            from app.data_sources.tencent import (
+                normalize_cn_code,
+                normalize_hk_code,
+                fetch_quote,
+            )
+            from app.data_sources.cn_hk_fundamentals import (
+                fetch_twelvedata_profile,
+                fetch_cn_company_extras,
+                fetch_hk_company_extras,
+            )
+
+            code = normalize_cn_code(symbol) if market == 'CNStock' else normalize_hk_code(symbol)
+            is_hk = market == 'HKStock'
+
+            parts = fetch_quote(code)
+            cn_name = ""
+            if parts:
+                cn_name = (parts[1] or "").strip() if len(parts) > 1 else ""
+
+            row: Dict[str, Any] = {
+                "name": cn_name or code,
+                "country": "CN" if market == "CNStock" else "HK",
+                "exchange": "SSE/SZSE" if market == "CNStock" else "HKEX",
+                "symbol": code,
+                "source": "tencent_quote",
+            }
+
+            # Tier 1: Twelve Data /profile
+            td_profile = {}
+            try:
+                td_profile = fetch_twelvedata_profile(code, is_hk)
+            except Exception as e:
+                logger.debug("TwelveData profile failed %s:%s: %s", market, symbol, e)
+
+            if td_profile:
+                row["source"] = "tencent_quote+twelvedata"
+                for k in ("industry", "sector", "website", "description", "employees", "full_name"):
+                    v = td_profile.get(k)
+                    if v is not None:
+                        row[k] = v
+                if not cn_name and td_profile.get("name"):
+                    row["name"] = td_profile["name"]
+
+            # Tier 2: AkShare (fill remaining gaps)
+            if not row.get("industry"):
+                try:
+                    ex = fetch_cn_company_extras(code) if not is_hk else fetch_hk_company_extras(code)
+                except Exception:
+                    ex = {}
+                if ex:
+                    if "twelvedata" not in row.get("source", ""):
+                        row["source"] = "tencent_quote+akshare_em"
+                    else:
+                        row["source"] += "+akshare_em"
+                    for k in ("industry", "ipo_date", "website", "full_name"):
+                        if ex.get(k) and not row.get(k):
+                            row[k] = ex[k]
+
+            if not parts and not td_profile and not row.get("industry"):
+                return None
+            return row
+        except Exception:
+            return None
     
     # ==================== 宏观数据 (复用全球金融板块) ====================
     

backend_api_python/app/services/pending_order_worker.py

@@ -360,8 +360,8 @@ class PendingOrderWorker:
                             exch_size.setdefault(hb_sym, {"long": 0.0, "short": 0.0})[side] = abs(float(total))
 
                 elif isinstance(client, BybitClient) and market_type == "swap":
-                    # Bybit linear positions
-                    resp = client.get_positions()
+                    # Bybit v5 requires symbol or settleCoin — use USDT for full linear book
+                    resp = client.get_positions(settle_coin="USDT")
                     lst = (((resp.get("result") or {}).get("list")) if isinstance(resp, dict) else None) or []
                     if isinstance(lst, list):
                         for p in lst:
@@ -1234,13 +1234,14 @@ class PendingOrderWorker:
                                 actual_pos_size = pos_amt
                                 break
                 elif isinstance(client, BybitClient):
-                    pos_resp = client.get_positions() or {}
+                    pos_resp = client.get_positions(symbol=str(symbol or "")) or {}
                     pos_list = (pos_resp.get("result") or {}).get("list") or [] if isinstance(pos_resp, dict) else []
+                    want = str(symbol or "").replace("/", "").replace("-", "").upper()
                     for pos in pos_list:
                         if not isinstance(pos, dict):
                             continue
-                        pos_sym = str(pos.get("symbol") or "")
-                        if pos_sym != str(symbol or "").replace("/", ""):
+                        pos_sym = str(pos.get("symbol") or "").strip().upper()
+                        if pos_sym != want:
                             continue
                         p_side = str(pos.get("side") or "").strip().lower()
                         if (p_side == "buy" and pos_side == "long") or (p_side == "sell" and pos_side == "short"):

backend_api_python/app/services/polymarket_worker.py

@@ -87,26 +87,20 @@ class PolymarketWorker:
             logger.info("Starting Polymarket data update and analysis...")
             start_time = time.time()
             
-            # 1. 更新市场数据（从所有主要分类获取）
-            categories = ["crypto", "politics", "economics", "sports", "tech", "finance", "geopolitics", "culture", "climate", "entertainment"]
-            all_markets = []
+            # Gamma API /events has no category param — fetch ALL once, categorize locally.
+            all_markets = self.polymarket_source.get_trending_markets(category="all", limit=500)
+            logger.info(f"Fetched {len(all_markets)} markets from Gamma API (single request)")
             
-            for category in categories:
-                try:
-                    markets = self.polymarket_source.get_trending_markets(category, limit=50)
-                    all_markets.extend(markets)
-                    logger.info(f"Fetched {len(markets)} markets from category: {category}")
-                except Exception as e:
-                    logger.warning(f"Failed to fetch markets for category {category}: {e}")
-            
-            # 去重（按market_id）
             unique_markets = {}
+            cat_counts: Dict[str, int] = {}
             for market in all_markets:
                 market_id = market.get('market_id')
                 if market_id:
                     unique_markets[market_id] = market
+                    cat = market.get('category', 'other')
+                    cat_counts[cat] = cat_counts.get(cat, 0) + 1
             
-            logger.info(f"Total unique markets: {len(unique_markets)}")
+            logger.info(f"Total unique markets: {len(unique_markets)}, by category: {cat_counts}")
             
             # 2. 批量分析市场（一次性分析所有市场，由AI筛选机会）
             markets_list = list(unique_markets.values())

backend_api_python/app/services/signal_notifier.py

@@ -28,6 +28,8 @@ from datetime import datetime, timezone
 from email.message import EmailMessage
 from typing import Any, Dict, List, Optional, Tuple
 
+from zoneinfo import ZoneInfo
+
 import requests
 
 from app.utils.db import get_db_connection
@@ -78,6 +80,43 @@ def _signal_meta(signal_type: str) -> Dict[str, str]:
     return {"action": action, "side": side, "type": st}
 
 
+def _load_user_timezone_for_strategy(strategy_id: int) -> str:
+    try:
+        sid = int(strategy_id)
+    except Exception:
+        return ""
+    try:
+        with get_db_connection() as db:
+            cur = db.cursor()
+            cur.execute(
+                """
+                SELECT COALESCE(u.timezone, '') AS tz
+                FROM qd_strategies_trading s
+                JOIN qd_users u ON u.id = s.user_id
+                WHERE s.id = ?
+                """,
+                (sid,),
+            )
+            row = cur.fetchone() or {}
+            cur.close()
+        return str(row.get("tz") or "").strip()
+    except Exception:
+        return ""
+
+
+def _utc_ts_to_user_display(now: int, user_timezone: str) -> Tuple[str, str, str]:
+    """Return (utc_iso, display_local_str, label_for_plaintext)."""
+    iso = datetime.fromtimestamp(int(now), tz=timezone.utc).isoformat()
+    utz = (user_timezone or "").strip()
+    if not utz:
+        return iso, iso, "Time (UTC)"
+    try:
+        dt = datetime.fromtimestamp(int(now), tz=timezone.utc).astimezone(ZoneInfo(utz))
+        return iso, dt.strftime("%Y-%m-%d %H:%M:%S"), f"Time ({utz})"
+    except Exception:
+        return iso, iso, "Time (UTC)"
+
+
 def _fmt_float(value: Any, *, max_decimals: int = 10) -> str:
     try:
         v = float(value or 0.0)
@@ -150,6 +189,7 @@ class SignalNotifier:
         targets = _safe_json(cfg.get("targets") or {})
         extra = extra if isinstance(extra, dict) else {}
 
+        user_tz = _load_user_timezone_for_strategy(int(strategy_id))
         payload = self._build_payload(
             strategy_id=strategy_id,
             strategy_name=strategy_name,
@@ -159,6 +199,7 @@ class SignalNotifier:
             stake_amount=stake_amount,
             direction=direction,
             extra=extra,
+            user_timezone=user_tz,
         )
         rendered = self._render_messages(payload)
         title = rendered.get("title") or ""
@@ -252,9 +293,10 @@ class SignalNotifier:
         stake_amount: float,
         direction: str,
         extra: Dict[str, Any],
+        user_timezone: str = "",
     ) -> Dict[str, Any]:
         now = int(time.time())
-        iso = datetime.fromtimestamp(now, tz=timezone.utc).isoformat()
+        iso, disp, tlab = _utc_ts_to_user_display(now, user_timezone)
         meta = _signal_meta(signal_type)
 
         pending_id = None
@@ -268,6 +310,8 @@ class SignalNotifier:
             "version": 1,
             "timestamp": now,
             "timestamp_iso": iso,
+            "timestamp_display": disp,
+            "time_label": tlab,
             "strategy": {
                 "id": int(strategy_id),
                 "name": str(strategy_name or ""),
@@ -310,6 +354,8 @@ class SignalNotifier:
         pending_id = int(trace.get("pending_order_id") or 0) if trace.get("pending_order_id") else 0
         mode = str(trace.get("mode") or "")
         ts_iso = str(payload.get("timestamp_iso") or "")
+        ts_disp = str(payload.get("timestamp_display") or "") or ts_iso
+        ts_lbl = str(payload.get("time_label") or "Time")
 
         plain_lines = [
             "QuantDinger Signal",
@@ -323,8 +369,8 @@ class SignalNotifier:
             plain_lines.append(f"PendingOrder: {pending_id}")
         if mode:
             plain_lines.append(f"Mode: {mode}")
-        if ts_iso:
-            plain_lines.append(f"Time(UTC): {ts_iso}")
+        if ts_disp:
+            plain_lines.append(f"{ts_lbl}: {ts_disp}")
 
         # Telegram (HTML) message. Escape all dynamic values.
         t_strategy = f"{strategy.get('name') or ''} (#{int(strategy.get('id') or 0)})"
@@ -341,8 +387,8 @@ class SignalNotifier:
             telegram_lines.append(f"<b>PendingOrder</b>: <code>{pending_id}</code>")
         if mode:
             telegram_lines.append(f"<b>Mode</b>: <code>{html.escape(mode)}</code>")
-        if ts_iso:
-            telegram_lines.append(f"<b>Time (UTC)</b>: <code>{html.escape(ts_iso)}</code>")
+        if ts_disp:
+            telegram_lines.append(f"<b>{html.escape(ts_lbl)}</b>: <code>{html.escape(ts_disp)}</code>")
         telegram_html = "\n".join([x for x in telegram_lines if x is not None])
 
         # Email (HTML) message. Keep inline CSS for maximum compatibility.
@@ -355,7 +401,8 @@ class SignalNotifier:
             stake_text=stake_s,
             pending_id=pending_id or None,
             mode_text=mode or "",
-            timestamp_iso=ts_iso or "",
+            timestamp_display=ts_disp or "",
+            time_row_label=ts_lbl or "Time",
         )
 
         return {
@@ -376,7 +423,8 @@ class SignalNotifier:
         stake_text: str,
         pending_id: Optional[int],
         mode_text: str,
-        timestamp_iso: str,
+        timestamp_display: str,
+        time_row_label: str,
     ) -> str:
         def esc(s: Any) -> str:
             return html.escape(str(s or ""))
@@ -392,8 +440,8 @@ class SignalNotifier:
             rows.append(("PendingOrder", str(int(pending_id))))
         if mode_text:
             rows.append(("Mode", mode_text))
-        if timestamp_iso:
-            rows.append(("Time (UTC)", timestamp_iso))
+        if timestamp_display:
+            rows.append((time_row_label or "Time", timestamp_display))
 
         tr_html = "\n".join(
             [
@@ -418,7 +466,7 @@ class SignalNotifier:
     <div style="max-width:640px;margin:0 auto;padding:24px;">
       <div style="background:#111827;color:#ffffff;padding:16px 18px;border-radius:12px 12px 0 0;">
         <div style="font-size:16px;letter-spacing:0.2px;font-weight:600;">{esc(title_text)}</div>
-        <div style="margin-top:6px;font-size:12px;color:#d1d5db;">{esc(timestamp_iso) if timestamp_iso else ""}</div>
+        <div style="margin-top:6px;font-size:12px;color:#d1d5db;">{esc(timestamp_display) if timestamp_display else ""}</div>
       </div>
       <div style="background:#ffffff;border:1px solid #eaecef;border-top:0;border-radius:0 0 12px 12px;overflow:hidden;">
         <table cellpadding="0" cellspacing="0" style="width:100%;border-collapse:collapse;">

backend_api_python/app/services/strategy.py

@@ -977,12 +977,24 @@ class StrategyService:
         leverage = (trading_config or {}).get('leverage') or existing.get('leverage') or 1
         market_type = (trading_config or {}).get('market_type') or existing.get('market_type') or 'swap'
 
+        strategy_type = (payload.get('strategy_type') if payload.get('strategy_type') is not None
+                         else existing.get('strategy_type')) or 'IndicatorStrategy'
+        strategy_mode = (payload.get('strategy_mode') if payload.get('strategy_mode') is not None
+                         else existing.get('strategy_mode')) or 'signal'
+        if 'strategy_code' in payload:
+            strategy_code = payload.get('strategy_code') or ''
+        else:
+            strategy_code = existing.get('strategy_code') or ''
+
         with get_db_connection() as db:
             cur = db.cursor()
             cur.execute(
                 """
                 UPDATE qd_strategies_trading
                 SET strategy_name = ?,
+                    strategy_type = ?,
+                    strategy_mode = ?,
+                    strategy_code = ?,
                     market_category = ?,
                     execution_mode = ?,
                     notification_config = ?,
@@ -1000,6 +1012,9 @@ class StrategyService:
                 """,
                 (
                     name,
+                    strategy_type,
+                    strategy_mode,
+                    strategy_code,
                     market_category,
                     execution_mode,
                     self._dump_json_or_encrypt(notification_config, encrypt=False),

backend_api_python/app/services/strategy_snapshot.py

@@ -135,14 +135,29 @@ class StrategySnapshotResolver:
         timeframe = str(override.get("timeframe") or trading_config.get("timeframe") or strategy.get("timeframe") or "1D").strip() or "1D"
         initial_capital = self._to_float(override.get("initialCapital", trading_config.get("initial_capital", strategy.get("initial_capital", 10000))), 10000.0)
         leverage = self._to_int(override.get("leverage", trading_config.get("leverage", strategy.get("leverage", 1))), 1)
-        commission = self._percent_to_ratio(override.get("commission", trading_config.get("commission", 0)))
-        slippage = self._percent_to_ratio(override.get("slippage", trading_config.get("slippage", 0)))
+        # Commission/slippage are backtest-only assumptions (not used by live ScriptStrategy execution).
+        # Script strategies created from the UI may omit these; apply sensible backtest defaults.
+        commission_raw = override.get("commission")
+        if commission_raw is None:
+            commission_raw = trading_config.get("commission")
+        slippage_raw = override.get("slippage")
+        if slippage_raw is None:
+            slippage_raw = trading_config.get("slippage")
+        strategy_type_early = str(strategy.get("strategy_type") or "IndicatorStrategy").strip() or "IndicatorStrategy"
+        strategy_mode_early = str(strategy.get("strategy_mode") or "signal").strip() or "signal"
+        is_script_early = strategy_type_early == "ScriptStrategy" or strategy_mode_early == "script"
+        if commission_raw is None or commission_raw == "":
+            commission_raw = 0.05 if is_script_early else 0
+        if slippage_raw is None or slippage_raw == "":
+            slippage_raw = 0.0
+        commission = self._percent_to_ratio(commission_raw)
+        slippage = self._percent_to_ratio(slippage_raw)
         trade_direction = str(trading_config.get("trade_direction") or "long").strip().lower() or "long"
         enable_mtf = self._to_bool(override.get("enableMtf", market.lower() == "crypto"))
 
-        strategy_type = str(strategy.get("strategy_type") or "IndicatorStrategy").strip() or "IndicatorStrategy"
-        strategy_mode = str(strategy.get("strategy_mode") or "signal").strip() or "signal"
-        is_script = strategy_type == "ScriptStrategy" or strategy_mode == "script"
+        strategy_type = strategy_type_early
+        strategy_mode = strategy_mode_early
+        is_script = is_script_early
 
         indicator_id = indicator_config.get("indicator_id") or strategy.get("indicator_id")
         indicator_name = indicator_config.get("indicator_name") or ""

backend_api_python/app/services/symbol_name.py

@@ -21,6 +21,7 @@ import requests
 
 from app.utils.logger import get_logger
 from app.data.market_symbols_seed import get_symbol_name as seed_get_symbol_name
+from app.data_sources.tencent import normalize_cn_code, normalize_hk_code
 
 logger = get_logger(__name__)
 
@@ -28,6 +29,10 @@ logger = get_logger(__name__)
 def _normalize_symbol_for_market(market: str, symbol: str) -> str:
     m = (market or '').strip()
     s = (symbol or '').strip().upper()
+    if m == 'CNStock':
+        return normalize_cn_code(s)
+    if m == 'HKStock':
+        return normalize_hk_code(s)
     return s
 
 
@@ -105,6 +110,17 @@ def resolve_symbol_name(market: str, symbol: str) -> Optional[str]:
         # otherwise fall back to yfinance.
         return _resolve_name_from_finnhub(s) or _resolve_name_from_yfinance(s)
 
+    # CN/HK stocks: try Tencent quote name first (no key), then yfinance best-effort.
+    if m in ('CNStock', 'HKStock'):
+        try:
+            from app.data_sources.tencent import fetch_quote
+            parts = fetch_quote(s)
+            if parts and len(parts) > 1 and parts[1]:
+                return str(parts[1]).strip()
+        except Exception:
+            pass
+        return _resolve_name_from_yfinance(s)
+
     # Crypto: at least return base ticker-like display (not a "company", but better than empty)
     if m == 'Crypto':
         if '/' in s:

backend_api_python/app/services/trading_executor.py

@@ -21,6 +21,7 @@ import numpy as np
 
 from app.utils.logger import get_logger
 from app.utils.db import get_db_connection
+from app.utils.strategy_runtime_logs import append_strategy_log
 from app.data_sources import DataSourceFactory
 from app.services.kline import KlineService
 from app.services.indicator_params import IndicatorParamsParser, IndicatorCaller
@@ -52,6 +53,8 @@ class TradingExecutor:
         self._signal_dedup = {}  # type: Dict[int, Dict[str, float]]
         self._signal_dedup_lock = threading.Lock()
         self.kline_service = KlineService()   # K线服务（带缓存）
+        # Throttle writes to qd_strategy_logs (heartbeat), per strategy_id -> monotonic time
+        self._strategy_ui_log_last_tick_ts = {}  # type: Dict[int, float]
         
         # 单实例线程上限，避免无限制创建线程导致 can't start new thread/OOM
         self.max_threads = int(os.getenv('STRATEGY_MAX_THREADS', '64'))
@@ -428,6 +431,7 @@ class TradingExecutor:
                 
                 logger.info(f"Strategy {strategy_id} started")
                 self._console_print(f"[strategy:{strategy_id}] started")
+                append_strategy_log(strategy_id, "info", "策略执行线程已启动")
                 return True
                 
         except Exception as e:
@@ -466,6 +470,7 @@ class TradingExecutor:
                 
                 logger.info(f"Strategy {strategy_id} stopped")
                 self._console_print(f"[strategy:{strategy_id}] stopped (requested)")
+                append_strategy_log(strategy_id, "info", "已请求停止策略（运行标志已清除）")
                 return True
                 
         except Exception as e:
@@ -933,6 +938,11 @@ class TradingExecutor:
             logger.info(f"Strategy {strategy_id} initialized; pending_signals={len(pending_signals)}")
             if pending_signals:
                 logger.info(f"Initial signals: {pending_signals}")
+            append_strategy_log(
+                strategy_id,
+                "info",
+                f"实盘循环就绪 {symbol} {timeframe}，待处理信号 {len(pending_signals or [])} 条",
+            )
             
             # ============================================
             # Main loop: unified tick cadence (default: 10s)
@@ -1258,6 +1268,11 @@ class TradingExecutor:
                             )
                             if ok:
                                 logger.info(f"Strategy {strategy_id} signal executed: {signal_type} @ {execute_price}")
+                                append_strategy_log(
+                                    strategy_id,
+                                    "signal",
+                                    f"已提交信号 {signal_type} 参考价 {float(execute_price or 0):.6f}",
+                                )
                                 # Notify portfolio positions linked to this symbol
                                 try:
                                     from app.services.portfolio_monitor import notify_strategy_signal_for_positions
@@ -1271,6 +1286,11 @@ class TradingExecutor:
                                     logger.warning(f"Strategy signal linkage notification failed: {link_e}")
                             else:
                                 logger.warning(f"Strategy {strategy_id} signal rejected/failed: {signal_type}")
+                                append_strategy_log(
+                                    strategy_id,
+                                    "error",
+                                    f"信号未执行或拒单: {signal_type}",
+                                )
 
                     # Update positions once per tick.
                     self._update_positions(strategy_id, symbol, current_price)
@@ -1279,17 +1299,37 @@ class TradingExecutor:
                     self._console_print(
                         f"[strategy:{strategy_id}] tick price={float(current_price or 0.0):.8f} pending_signals={len(pending_signals or [])}"
                     )
+                    try:
+                        nowl = time.time()
+                        lastl = float(self._strategy_ui_log_last_tick_ts.get(strategy_id) or 0.0)
+                        if nowl - lastl >= 55.0:
+                            self._strategy_ui_log_last_tick_ts[strategy_id] = nowl
+                            append_strategy_log(
+                                strategy_id,
+                                "info",
+                                f"tick price={float(current_price or 0.0):.8f} pending_signals={len(pending_signals or [])}",
+                            )
+                    except Exception:
+                        pass
                     
                 except Exception as e:
                     logger.error(f"Strategy {strategy_id} loop error: {str(e)}")
                     logger.error(traceback.format_exc())
                     self._console_print(f"[strategy:{strategy_id}] loop error: {e}")
+                    try:
+                        append_strategy_log(strategy_id, "error", f"循环异常: {e}")
+                    except Exception:
+                        pass
                     time.sleep(5)
                     
         except Exception as e:
             logger.error(f"Strategy {strategy_id} crashed: {str(e)}")
             logger.error(traceback.format_exc())
             self._console_print(f"[strategy:{strategy_id}] fatal error: {e}")
+            try:
+                append_strategy_log(strategy_id, "error", f"策略线程致命错误: {e}")
+            except Exception:
+                pass
         finally:
             # 清理
             with self.lock:
@@ -1297,6 +1337,10 @@ class TradingExecutor:
                     del self.running_strategies[strategy_id]
             self._console_print(f"[strategy:{strategy_id}] loop exited")
             logger.info(f"Strategy {strategy_id} loop exited")
+            try:
+                append_strategy_log(strategy_id, "info", "策略执行循环已退出")
+            except Exception:
+                pass
     
     def _sync_positions_with_exchange(self, strategy_id: int, exchange: Any, symbol: str, market_type: str):
         """

backend_api_python/app/utils/config_loader.py

@@ -116,6 +116,7 @@ def load_addon_config() -> Dict[str, Any]:
         ('AKSHARE_TIMEOUT', 'akshare.timeout', 'int'),
         ('TIINGO_API_KEY', 'tiingo.api_key', 'string'),
         ('TIINGO_TIMEOUT', 'tiingo.timeout', 'int'),
+        ('TWELVE_DATA_API_KEY', 'twelve_data.api_key', 'string'),
 
         # Search (Google CSE / Bing)
         ('SEARCH_PROVIDER', 'search.provider', 'string'),

backend_api_python/app/utils/strategy_runtime_logs.py

@@ -0,0 +1,29 @@
+"""Persist strategy runtime lines for the strategy management UI (`qd_strategy_logs`)."""
+
+from __future__ import annotations
+
+from app.utils.db import get_db_connection
+from app.utils.logger import get_logger
+
+logger = get_logger(__name__)
+
+
+def append_strategy_log(strategy_id: int, level: str, message: str) -> None:
+    """Best-effort insert; never raises to caller."""
+    try:
+        sid = int(strategy_id)
+        lv = (level or "info").strip().lower()[:20]
+        msg = str(message or "").strip()
+        if not msg:
+            return
+        msg = msg[:8000]
+        with get_db_connection() as db:
+            cur = db.cursor()
+            cur.execute(
+                "INSERT INTO qd_strategy_logs (strategy_id, level, message) VALUES (?, ?, ?)",
+                (sid, lv, msg),
+            )
+            db.commit()
+            cur.close()
+    except Exception as e:
+        logger.debug("append_strategy_log skip: %s", e)

backend_api_python/env.example

@@ -69,6 +69,15 @@ SMTP_USE_SSL=false
 # PROXY_URL=socks5h://host.docker.internal:10808  # Docker
 PROXY_URL=
 
+# Outbound HTTPS to exchanges when using PROXY_URL (especially SOCKS). If you see
+# SSLCertVerificationError / "unable to get local issuer certificate":
+# - Prefer: install OS ca-certificates in the image, or point to a PEM bundle:
+#   LIVE_TRADING_CA_BUNDLE=/path/to/ca-bundle.pem
+#   (REQUESTS_CA_BUNDLE / SSL_CERT_FILE are also honored.)
+# - Last resort only: LIVE_TRADING_SSL_VERIFY=false  # disables TLS verify — insecure
+#LIVE_TRADING_CA_BUNDLE=
+#LIVE_TRADING_SSL_VERIFY=
+
 # =========================
 # Captcha / OAuth (optional)
 # =========================
@@ -160,6 +169,10 @@ YFINANCE_TIMEOUT=30
 TIINGO_API_KEY=
 TIINGO_TIMEOUT=10
 
+# Twelve Data (CN/HK stock K-lines — recommended for overseas servers)
+# Free tier: 800 API credits/day, 8 requests/minute. https://twelvedata.com
+TWELVE_DATA_API_KEY=
+
 # AI search / news
 SEARCH_PROVIDER=google
 SEARCH_MAX_RESULTS=10

backend_api_python/migrations/init.sql

@@ -349,6 +349,21 @@ CREATE INDEX IF NOT EXISTS idx_notifications_user_id ON qd_strategy_notification
 CREATE INDEX IF NOT EXISTS idx_notifications_strategy_id ON qd_strategy_notifications(strategy_id);
 CREATE INDEX IF NOT EXISTS idx_notifications_is_read ON qd_strategy_notifications(is_read);
 
+-- =============================================================================
+-- 6b. Strategy runtime logs (dashboard / API)
+-- =============================================================================
+
+CREATE TABLE IF NOT EXISTS qd_strategy_logs (
+    id SERIAL PRIMARY KEY,
+    strategy_id INTEGER NOT NULL REFERENCES qd_strategies_trading(id) ON DELETE CASCADE,
+    level VARCHAR(20) DEFAULT 'info',
+    message TEXT NOT NULL,
+    timestamp TIMESTAMP DEFAULT NOW()
+);
+
+CREATE INDEX IF NOT EXISTS idx_strategy_logs_strategy_id ON qd_strategy_logs(strategy_id);
+CREATE INDEX IF NOT EXISTS idx_strategy_logs_timestamp ON qd_strategy_logs(timestamp);
+
 -- =============================================================================
 -- 7. Indicator Codes
 -- =============================================================================
@@ -647,7 +662,29 @@ INSERT INTO qd_market_symbols (market, symbol, name, exchange, currency, is_acti
 ('Futures', 'ZS', 'Soybeans', 'CBOT', 'USD', 1, 1, 94),
 ('Futures', 'ZW', 'Wheat', 'CBOT', 'USD', 1, 1, 93),
 ('Futures', 'ES', 'S&P 500 E-mini', 'CME', 'USD', 1, 1, 92),
-('Futures', 'NQ', 'NASDAQ 100 E-mini', 'CME', 'USD', 1, 1, 91)
+('Futures', 'NQ', 'NASDAQ 100 E-mini', 'CME', 'USD', 1, 1, 91),
+-- A股 (CNStock)
+('CNStock', '600519', '贵州茅台', 'SSE', 'CNY', 1, 1, 100),
+('CNStock', '600036', '招商银行', 'SSE', 'CNY', 1, 1, 99),
+('CNStock', '601318', '中国平安', 'SSE', 'CNY', 1, 1, 98),
+('CNStock', '600900', '长江电力', 'SSE', 'CNY', 1, 1, 97),
+('CNStock', '601899', '紫金矿业', 'SSE', 'CNY', 1, 1, 96),
+('CNStock', '000858', '五粮液', 'SZSE', 'CNY', 1, 1, 95),
+('CNStock', '000333', '美的集团', 'SZSE', 'CNY', 1, 1, 94),
+('CNStock', '002594', '比亚迪', 'SZSE', 'CNY', 1, 1, 93),
+('CNStock', '300750', '宁德时代', 'SZSE', 'CNY', 1, 1, 92),
+('CNStock', '000001', '平安银行', 'SZSE', 'CNY', 1, 1, 91),
+-- 港股/H股 (HKStock)
+('HKStock', '00700', '腾讯控股', 'HKEX', 'HKD', 1, 1, 100),
+('HKStock', '09988', '阿里巴巴-W', 'HKEX', 'HKD', 1, 1, 99),
+('HKStock', '03690', '美团-W', 'HKEX', 'HKD', 1, 1, 98),
+('HKStock', '01810', '小米集团-W', 'HKEX', 'HKD', 1, 1, 97),
+('HKStock', '00939', '建设银行', 'HKEX', 'HKD', 1, 1, 96),
+('HKStock', '01299', '友邦保险', 'HKEX', 'HKD', 1, 1, 95),
+('HKStock', '02318', '中国平安', 'HKEX', 'HKD', 1, 1, 94),
+('HKStock', '00388', '香港交易所', 'HKEX', 'HKD', 1, 1, 93),
+('HKStock', '00883', '中国海洋石油', 'HKEX', 'HKD', 1, 1, 92),
+('HKStock', '01398', '工商银行', 'HKEX', 'HKD', 1, 1, 91)
 ON CONFLICT (market, symbol) DO NOTHING;
 
 -- =============================================================================

backend_api_python/requirements.txt

@@ -5,6 +5,7 @@ yfinance>=0.2.18
 ccxt>=4.0.0
 pandas>=1.5.0
 requests>=2.28.0
+certifi>=2024.2.2
 PySocks>=1.7.1
 akshare>=1.12.0
 pymysql>=1.0.2

docs/CHANGELOG.md

@@ -4,6 +4,46 @@ This document records version updates, new features, bug fixes, and database mig
 
 ---
 
+## 2026-04-07 — 数据库：`qd_market_symbols` 补充 A股 / H股热门标的
+
+已在 **Docker** 内对运行中的 PostgreSQL 执行完毕（`INSERT 0 20`）。**新库**若使用当前仓库中的 `migrations/init.sql` 初始化，已包含同批种子数据，无需重复执行。
+
+**在已有库上手动执行（等价 SQL，可重复执行，`ON CONFLICT DO NOTHING`）：**
+
+```sql
+INSERT INTO qd_market_symbols (market, symbol, name, exchange, currency, is_active, is_hot, sort_order) VALUES
+('CNStock', '600519', '贵州茅台', 'SSE', 'CNY', 1, 1, 100),
+('CNStock', '600036', '招商银行', 'SSE', 'CNY', 1, 1, 99),
+('CNStock', '601318', '中国平安', 'SSE', 'CNY', 1, 1, 98),
+('CNStock', '600900', '长江电力', 'SSE', 'CNY', 1, 1, 97),
+('CNStock', '601899', '紫金矿业', 'SSE', 'CNY', 1, 1, 96),
+('CNStock', '000858', '五粮液', 'SZSE', 'CNY', 1, 1, 95),
+('CNStock', '000333', '美的集团', 'SZSE', 'CNY', 1, 1, 94),
+('CNStock', '002594', '比亚迪', 'SZSE', 'CNY', 1, 1, 93),
+('CNStock', '300750', '宁德时代', 'SZSE', 'CNY', 1, 1, 92),
+('CNStock', '000001', '平安银行', 'SZSE', 'CNY', 1, 1, 91),
+('HKStock', '00700', '腾讯控股', 'HKEX', 'HKD', 1, 1, 100),
+('HKStock', '09988', '阿里巴巴-W', 'HKEX', 'HKD', 1, 1, 99),
+('HKStock', '03690', '美团-W', 'HKEX', 'HKD', 1, 1, 98),
+('HKStock', '01810', '小米集团-W', 'HKEX', 'HKD', 1, 1, 97),
+('HKStock', '00939', '建设银行', 'HKEX', 'HKD', 1, 1, 96),
+('HKStock', '01299', '友邦保险', 'HKEX', 'HKD', 1, 1, 95),
+('HKStock', '02318', '中国平安', 'HKEX', 'HKD', 1, 1, 94),
+('HKStock', '00388', '香港交易所', 'HKEX', 'HKD', 1, 1, 93),
+('HKStock', '00883', '中国海洋石油', 'HKEX', 'HKD', 1, 1, 92),
+('HKStock', '01398', '工商银行', 'HKEX', 'HKD', 1, 1, 91)
+ON CONFLICT (market, symbol) DO NOTHING;
+```
+
+**Docker 一行示例（文件需 UTF-8）：**
+
+```bash
+docker cp backend_api_python/migrations/<your>.sql quantdinger-db:/tmp/migrate.sql
+docker compose exec -T postgres psql -U quantdinger -d quantdinger -f /tmp/migrate.sql
+```
+
+---
+
 ## V3.0.1 (2026-04-05) — Frontend / docs
 
 - **前端版本**：`QuantDinger-Vue-src/package.json`、页脚展示与 `frontend/VERSION` 统一为 **3.0.1**。

frontend/dist/css/theme-colors-48205a9b.css

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@@ -259,39 +262,39 @@ body.dark .ant-modal-wrap .ant-alert{background:rgba(24,144,255,.06);border-colo
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frontend/dist/index.html

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