fix: 持仓接口实时拉取并回写本地监控，修复有仓不显示

Co-authored-by: Cursor <cursoragent@cursor.com>

sl_tp_guard.py

@@ -63,11 +63,21 @@ def _match_symbol(ctp_sym: str, ths: str) -> bool:
     b = (ths or "").lower()
     if a == b:
         return True
+    if a and b and a.split(".")[0] == b.split(".")[0]:
+        return True
     try:
         vnpy_sym, _ = ths_to_vnpy_symbol(ths)
-        return a == vnpy_sym.lower()
+        if a == vnpy_sym.lower():
+            return True
     except Exception:
-        return False
+        pass
+    try:
+        vnpy_sym, _ = ths_to_vnpy_symbol(ctp_sym)
+        if vnpy_sym.lower() == b.split(".")[0]:
+            return True
+    except Exception:
+        pass
+    return False
 
 
 def _close_order_direction(hold_direction: str) -> str: