add more log

src/real/xt_trader.py

@@ -45,6 +45,8 @@ class MyXtQuantTraderCallback:
                 self.trader_instance.connection_failed = True
                 self.trader_instance.last_reconnect_time = time.time()
                 self.trader_instance.notify_connection_failure()
+        else:
+            logger.error("重连失败: trader_instance为空")
     def on_account_status(self, status):
         pass
     def on_stock_asset(self, asset):
@@ -454,8 +456,11 @@ class XtTrader(BaseTrader):
         Returns:
             bool: 重连是否成功
         """
+        logger.info("尝试重新连接交易系统")
+
         # 关闭旧连接
         if self.started:
+            logger.info("关闭旧连接")
             self.xt_trader.stop()
             self.started = False
             self.connected = False