diff --git a/python/paddle_serving_client/__init__.py b/python/paddle_serving_client/__init__.py
index 09a91809f52718eb7f52d234b3e8c5406883f419..9e32926732ef1b396473dab2a748f24f63e19e7a 100644
--- a/python/paddle_serving_client/__init__.py
+++ b/python/paddle_serving_client/__init__.py
@@ -24,6 +24,8 @@ import sys
 
 import grpc
 from .proto import multi_lang_general_model_service_pb2
+sys.path.append(
+    os.path.join(os.path.abspath(os.path.dirname(__file__)), 'proto'))
 from .proto import multi_lang_general_model_service_pb2_grpc
 
 int_type = 0