diff --git a/vnpy/api/websocket/WebSocketClient.py b/vnpy/api/websocket/WebSocketClient.py
index 9ae7cafb..3cde4ef7 100644
--- a/vnpy/api/websocket/WebSocketClient.py
+++ b/vnpy/api/websocket/WebSocketClient.py
@@ -154,7 +154,6 @@ class WebsocketClient(object):
         pass
     
     #----------------------------------------------------------------------
-    @abstractmethod
     def onError(self, exceptionType, exceptionValue, tb):
         """Python错误回调"""
-        pass
+        return sys.excepthook(exceptionType, exceptionValue, tb)