diff --git a/python/paddle_serving_client/__init__.py b/python/paddle_serving_client/__init__.py
index 8baeea7e6b8e27cc2c06ae5aaa488144e60679ab..7d0b5b564d79bc7d1444cc86356fefc9c99d25bc 100644
--- a/python/paddle_serving_client/__init__.py
+++ b/python/paddle_serving_client/__init__.py
@@ -177,7 +177,7 @@ class Client(object):
         # create predictor here
         if endpoints is None:
             if self.predictor_sdk_ is None:
-                raise SystemExit(
+                raise ValueError(
                     "You must set the endpoints parameter or use add_variant function to create a variant."
                 )
         else: