v2.2.1

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

backend_api_python/app/services/live_trading/symbols.py

@@ -14,12 +14,28 @@ from typing import Dict, Tuple
 
 
 def _split_base_quote(symbol: str) -> Tuple[str, str]:
+    """
+    分割符号为基础货币和报价货币。
+    
+    处理各种格式：
+    - BTC/USDT -> (BTC, USDT)
+    - BTCUSDT -> (BTCUSDT, "") - 需要进一步处理
+    - PI, TRX -> (PI, "") - 需要进一步处理
+    """
     s = (symbol or "").strip()
     if ":" in s:
         s = s.split(":", 1)[0]
     if "/" not in s:
-        # Already exchange-specific (best-effort)
-        return s, ""
+        # 尝试识别报价货币（常见格式：BASEQUOTE）
+        s_upper = s.upper()
+        common_quotes = ['USDT', 'USD', 'BTC', 'ETH', 'BUSD', 'USDC', 'BNB']
+        for quote in common_quotes:
+            if s_upper.endswith(quote) and len(s_upper) > len(quote):
+                base = s_upper[:-len(quote)]
+                if base:
+                    return base, quote
+        # 无法识别，返回原符号和空报价
+        return s_upper, ""
     base, quote = s.split("/", 1)
     return base.strip().upper(), quote.strip().upper()