diff --git a/trading_system/binance_order_event_logger.py b/trading_system/binance_order_event_logger.py
index 3193a35..7713272 100644
--- a/trading_system/binance_order_event_logger.py
+++ b/trading_system/binance_order_event_logger.py
@@ -72,10 +72,11 @@ def log_order_event(account_id: int, event_type: str, event_time_ms: Optional[in
         elif event_type == "ALGO_UPDATE" and data:
             o = data
             row["symbol"] = (o.get("s") or "").strip()
-            row["algoId"] = o.get("aid")  # 币安 ALGO_UPDATE 用 aid
-            row["clientAlgoId"] = (o.get("caid") or "").strip() or None  # 币安用 caid，SL_/TP_+entry_order_id
+            # 币安文档：aid=Algo Id，兼容 i/algoId；caid=Client Algo Id，兼容 c/clientAlgoId
+            row["algoId"] = o.get("aid") or o.get("i") or o.get("algoId")
+            row["clientAlgoId"] = (o.get("caid") or o.get("c") or o.get("clientAlgoId") or "").strip() or None
             row["algoStatus"] = (o.get("X") or "").strip()  # TRIGGERED/FINISHED
-            row["triggeredOrderId"] = o.get("ai") or None  # 触发后的普通订单 id
+            row["triggeredOrderId"] = o.get("ai") or o.get("triggeredOrderId") or None
         else:
             row["raw"] = data
         line = json.dumps(row, ensure_ascii=False, default=_default_serializer) + "\n"
diff --git a/trading_system/user_data_stream.py b/trading_system/user_data_stream.py
index e53d8e3..f16faac 100644
--- a/trading_system/user_data_stream.py
+++ b/trading_system/user_data_stream.py
@@ -690,8 +690,9 @@ class UserDataStream:
         x = (o.get("X") or "").strip().upper()
         ai = o.get("ai")
         symbol = (o.get("s") or "").strip()
-        algo_id = o.get("aid")  # 币安 ALGO_UPDATE 用 aid（Algo Id）
-        client_algo_id = (o.get("caid") or "").strip() or None  # 币安用 caid（Client Algo Id）
+        # 币安文档：aid/caid；兼容 i/c、algoId/clientAlgoId
+        algo_id = o.get("aid") or o.get("i") or o.get("algoId")
+        client_algo_id = (o.get("caid") or o.get("c") or o.get("clientAlgoId") or "").strip() or None
         entry_order_id = None
         if client_algo_id and (client_algo_id.startswith("SL_") or client_algo_id.startswith("TP_")):
             try: