v2.2.1

Signed-off-by: TIANHE <TIANHE@GMAIL.COM>

backend_api_python/app/services/live_trading/execution.py

@@ -36,6 +36,50 @@ IBKRClient = None
 MT5Client = None
 
 
+def _normalize_symbol_for_order(symbol: str, market_type: str = "swap") -> str:
+    """
+    规范化符号格式，确保符号符合交易所要求。
+    
+    处理各种输入格式：
+    - BTC/USDT -> BTC/USDT
+    - BTCUSDT -> BTC/USDT
+    - BTC/USDT:USDT -> BTC/USDT
+    - PI, TRX -> PI/USDT, TRX/USDT (默认添加 /USDT)
+    
+    Args:
+        symbol: 原始符号
+        market_type: 市场类型 (spot/swap)
+        
+    Returns:
+        规范化后的符号
+    """
+    if not symbol:
+        return symbol
+    
+    sym = symbol.strip()
+    
+    # 移除 swap/futures 后缀
+    if ':' in sym:
+        sym = sym.split(':', 1)[0]
+    
+    sym = sym.upper()
+    
+    # 如果已经有分隔符，直接返回（假设格式正确）
+    if '/' in sym:
+        return sym
+    
+    # 尝试从常见报价货币中识别
+    common_quotes = ['USDT', 'USD', 'BTC', 'ETH', 'BUSD', 'USDC']
+    for quote in common_quotes:
+        if sym.endswith(quote) and len(sym) > len(quote):
+            base = sym[:-len(quote)]
+            if base:
+                return f"{base}/{quote}"
+    
+    # 如果无法识别，默认使用 USDT
+    return f"{sym}/USDT"
+
+
 def _signal_to_sides(signal_type: str) -> Tuple[str, str, bool]:
     """
     Returns (side, pos_side, reduce_only)
@@ -80,6 +124,9 @@ def place_order_from_signal(
     # Spot does not support short signals in this system.
     if mt == "spot" and ("short" in (signal_type or "").lower()):
         raise LiveTradingError("spot market does not support short signals")
+    
+    # 规范化符号格式（统一处理裸符号如 PI, TRX 等）
+    symbol = _normalize_symbol_for_order(symbol, market_type=mt)
 
     if isinstance(client, BinanceFuturesClient):
         return client.place_market_order(