diff --git a/paddlehub/serving/app.py b/paddlehub/serving/app.py
index da7ac1804c7965b5af5d5613cf0f122309175c87..57397293be1fa8f6114bc0e9b358d0edba837d62 100644
--- a/paddlehub/serving/app.py
+++ b/paddlehub/serving/app.py
@@ -20,7 +20,6 @@ import time
 import os
 import base64
 import logging
-import cv2
 import multiprocessing as mp
 from multiprocessing.managers import BaseManager
 import random
@@ -93,7 +92,6 @@ def predict_cv(input_data, module_name, batch_size=1):
     filename_list = []
     for index in range(len(input_data)):
         filename_list.append(input_data[index][3])
-        cv2.imread(input_data[index][3])
     input_images = {"image": filename_list}
     module = ImageModelService.get_module(module_name)
     method_name = module.desc.attr.map.data['default_signature'].s
@@ -130,31 +128,35 @@ def predict_cv(input_data, module_name, batch_size=1):
 def worker():
     global batch_size_list, name_list, queue_name_list, cv_module
     latest_num = random.randrange(0, len(queue_name_list))
-
-    while True:
-        time.sleep(0.01)
-        for index in range(len(queue_name_list)):
-            while queues_dict[queue_name_list[latest_num]].empty() is not True:
-                input_data = []
-                lock.acquire()
-                try:
-                    batch = queues_dict[
-                        queue_name_list[latest_num]].get_attribute("maxsize")
-                    for index2 in range(batch):
-                        if queues_dict[
-                                queue_name_list[latest_num]].empty() is True:
-                            break
-                        input_data.append(
-                            queues_dict[queue_name_list[latest_num]].get())
-                finally:
-                    lock.release()
-                if len(input_data) != 0:
-                    choose_module_category(input_data,
-                                           queue_name_list[latest_num],
-                                           batch_size_list[latest_num])
-                else:
-                    pass
-            latest_num = (latest_num + 1) % len(queue_name_list)
+    try:
+        while True:
+            time.sleep(0.01)
+            for index in range(len(queue_name_list)):
+                while queues_dict[
+                        queue_name_list[latest_num]].empty() is not True:
+                    input_data = []
+                    lock.acquire()
+                    try:
+                        batch = queues_dict[
+                            queue_name_list[latest_num]].get_attribute(
+                                "maxsize")
+                        for index2 in range(batch):
+                            if queues_dict[queue_name_list[latest_num]].empty(
+                            ) is True:
+                                break
+                            input_data.append(
+                                queues_dict[queue_name_list[latest_num]].get())
+                    finally:
+                        lock.release()
+                    if len(input_data) != 0:
+                        choose_module_category(input_data,
+                                               queue_name_list[latest_num],
+                                               batch_size_list[latest_num])
+                    else:
+                        pass
+                latest_num = (latest_num + 1) % len(queue_name_list)
+    except KeyboardInterrupt:
+        print("Process %s is end." % (os.getpid()))
 
 
 def init_pool(l):
@@ -168,7 +170,7 @@ def create_app():
     gunicorn_logger = logging.getLogger('gunicorn.error')
     app_instance.logger.handlers = gunicorn_logger.handlers
     app_instance.logger.setLevel(gunicorn_logger.level)
-    global queues_dict
+    global queues_dict, pool
     lock = mp.Lock()
     pool = mp.Pool(
         processes=(mp.cpu_count() - 1),
@@ -310,6 +312,9 @@ def run(is_use_gpu=False, configs=None, port=8888):
         return
     my_app = create_app()
     my_app.run(host="0.0.0.0", port=port, debug=False)
+    pool.close()
+    pool.join()
+    print("PaddleHub-Serving has been stopped.")
 
 
 if __name__ == "__main__":
diff --git a/paddlehub/serving/templates/__init__.py b/paddlehub/serving/templates/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..96c375264b4c03d172c8841f61954fabc03e6f83
--- /dev/null
+++ b/paddlehub/serving/templates/__init__.py
@@ -0,0 +1,14 @@
+# coding: utf-8
+# Copyright (c) 2019  PaddlePaddle Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# 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.
diff --git a/setup.py b/setup.py
index 7663062788dbc2aff2a4e037a5675160ceba275a..c0ca4d7905b70454a22cff4c2df22af1c7a646a6 100644
--- a/setup.py
+++ b/setup.py
@@ -52,6 +52,13 @@ setup(
     author_email='paddle-dev@baidu.com',
     install_requires=REQUIRED_PACKAGES,
     packages=find_packages(),
+    package_data={
+        'paddlehub/serving/templates': [
+            'paddlehub/serving/templates/serving_config.json',
+            'paddlehub/serving/templates/main.html'
+        ]
+    },
+    include_package_data=True,
     # PyPI package information.
     classifiers=[
         'Development Status :: 4 - Beta',
diff --git a/tutorial/autofinetune-nlp.md b/tutorial/autofinetune-nlp.md
index bb71c2d2938ae6f9a37f67a4e0450b15d07e01ae..f38d6f382ccccd03ae7024b146725375b3a3881b 100644
--- a/tutorial/autofinetune-nlp.md
+++ b/tutorial/autofinetune-nlp.md
@@ -140,7 +140,7 @@ if __name__ == '__main__':
     if is_path_valid(args.saved_params_dir) and os.path.exists(best_model_dir):
         shutil.copytree(best_model_dir, args.saved_params_dir)
         shutil.rmtree(config.checkpoint_dir)
-    
+
     # acc on dev will be used by auto finetune
     print("AutoFinetuneEval"+"\t"+str(float(eval_avg_score["acc"])))
 ```