1.新增水准线路补充检测接口

app/core/db_monitor.py

@@ -235,10 +235,11 @@ def receive_after_cursor_execute(conn, cursor, statement, params, context, execu
     log_transaction_end(success=True)
 
 @event.listens_for(Engine, "handle_error")
-def receive_handle_error(exception, context):
-    """错误监听"""
-    error_msg = str(exception)
-    sql = context.statement if context and hasattr(context, 'statement') else None
+def receive_handle_error(context):
+    """错误监听：SQLAlchemy 只传入一个 ExceptionContext 参数"""
+    exception = getattr(context, "original_exception", None) or getattr(context, "sqlalchemy_exception", None)
+    error_msg = str(exception) if exception else str(context)
+    sql = getattr(context, "statement", None)
     log_connection_error(error_msg, sql)
     log_transaction_end(success=False, error=error_msg)