diff --git a/python/paddle_serving_app/models/model_list.py b/python/paddle_serving_app/models/model_list.py
index 49a90b66c91c32abcc4f120f87f9afbbeee1a20f..ed83fee7002bcd2ae2b29509da24ab9625cf2d8f 100644
--- a/python/paddle_serving_app/models/model_list.py
+++ b/python/paddle_serving_app/models/model_list.py
@@ -37,7 +37,7 @@ class ServingModels(object):
         object_detection_url = "https://paddle-serving.bj.bcebos.com/paddle_hub_models/image/ObjectDetection/"
         senta_url = "https://paddle-serving.bj.bcebos.com/paddle_hub_models/text/SentimentAnalysis/"
         semantic_url = "https://paddle-serving.bj.bcebos.com/paddle_hub_models/text/SemanticRepresentation/"
-        wordseg_url = "https://paddle-serving.bj.bcebos.com/paddle_hub_models/text/ChineseWordSegmentation/"
+        wordseg_url = "https://paddle-serving.bj.bcebos.com/paddle_hub_models/text/LexicalAnalysis/"
 
         self.url_dict = {}
 
diff --git a/python/paddle_serving_app/reader/__init__.py b/python/paddle_serving_app/reader/__init__.py
index 9b556a119d47ec693a667cf7c5ab10c0e56ace53..c60240b12c26b8b7b2e51408d2abad375e044282 100644
--- a/python/paddle_serving_app/reader/__init__.py
+++ b/python/paddle_serving_app/reader/__init__.py
@@ -11,4 +11,8 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from .image_reader import ImageReader, File2Image, URL2Image, Sequential, Normalize, CenterCrop, Resize, Transpose, Div, RGB2BGR, BGR2RGB, RCNNPostprocess, SegPostprocess, PadStride
+from .chinese_bert_reader import ChineseBertReader
+from .image_reader import ImageReader, File2Image, URL2Image, Sequential, Normalize, CenterCrop, Resize, PadStride
+from .lac_reader import LACReader
+from .senta_reader import SentaReader
+from .imdb_reader import IMDBDataset
diff --git a/python/paddle_serving_server/serve.py b/python/paddle_serving_server/serve.py
index 70aafbf5c3da4d1a2a8ec50ce5a2258383863057..894b0c5b132845cbde589982e1fb471f028e820b 100644
--- a/python/paddle_serving_server/serve.py
+++ b/python/paddle_serving_server/serve.py
@@ -103,7 +103,7 @@ if __name__ == "__main__":
         service.load_model_config(args.model)
         service.prepare_server(
             workdir=args.workdir, port=args.port, device=args.device)
-        service.run_server()
+        service.run_rpc_service()
 
         app_instance = Flask(__name__)
 
diff --git a/python/paddle_serving_server/web_service.py b/python/paddle_serving_server/web_service.py
index f8c43707660e08e1bc44fdd62e40e20523f6cb6d..7f37b10be05e84e29cf6cda3cd3cc3d939910027 100755
--- a/python/paddle_serving_server/web_service.py
+++ b/python/paddle_serving_server/web_service.py
@@ -92,7 +92,7 @@ class WebService(object):
             result = {"result": "Request Value Error"}
         return result
 
-    def run_server(self):
+    def run_rpc_service(self):
         import socket
         localIP = socket.gethostbyname(socket.gethostname())
         print("web service address:")
@@ -115,7 +115,7 @@ class WebService(object):
 
         self.app_instance = app_instance
 
-    def run_flask(self):
+    def run_web_service(self):
         self.app_instance.run(host="0.0.0.0",
                               port=self.port,
                               threaded=False,
diff --git a/python/paddle_serving_server_gpu/serve.py b/python/paddle_serving_server_gpu/serve.py
index 297ff25d2084bead186fa4b9037e5de8282df0fe..309896a876bda5fc9b1baceb089242baa6d77dc5 100644
--- a/python/paddle_serving_server_gpu/serve.py
+++ b/python/paddle_serving_server_gpu/serve.py
@@ -118,7 +118,7 @@ if __name__ == "__main__":
             web_service.set_gpus(gpu_ids)
         web_service.prepare_server(
             workdir=args.workdir, port=args.port, device=args.device)
-        web_service.run_server()
+        web_service.run_rpc_service()
 
         app_instance = Flask(__name__)
 
diff --git a/python/paddle_serving_server_gpu/web_service.py b/python/paddle_serving_server_gpu/web_service.py
index e64e73197d02a80e43bbc77a7589ab43efe2f244..478c2ecb4e3ce4d7504ba89dc881d8c758583b59 100644
--- a/python/paddle_serving_server_gpu/web_service.py
+++ b/python/paddle_serving_server_gpu/web_service.py
@@ -138,7 +138,7 @@ class WebService(object):
             result = {"result": "Request Value Error"}
         return result
 
-    def run_server(self):
+    def run_rpc_service(self):
         import socket
         localIP = socket.gethostbyname(socket.gethostname())
         print("web service address:")
@@ -165,7 +165,7 @@ class WebService(object):
 
         self.app_instance = app_instance
 
-    def run_flask(self):
+    def run_web_service(self):
         self.app_instance.run(host="0.0.0.0",
                               port=self.port,
                               threaded=False,