improve demo

python/examples/imagenet/image_classification_service.py

@@ -17,7 +17,7 @@ import sys
 import cv2
 import base64
 import numpy as np
-from image_reader import ImageReader
+from paddle_serving_app import ImageReader
 
 
 class ImageService(WebService):

python/examples/imagenet/image_classification_service_gpu.py

@@ -17,7 +17,7 @@ import sys
 import cv2
 import base64
 import numpy as np
-from image_reader import ImageReader
+from paddle_serving_app import ImageReader
 
 
 class ImageService(WebService):

python/examples/senta/senta_web_service.py

@@ -29,7 +29,7 @@ class SentaService(WebService):
         os.chdir('./lac_serving')
         self.lac_port = self.port + 100
         r = os.popen(
-            "GLOG_v=2 python -m paddle_serving_server.serve --model ../../lac/jieba_server_model/ --port {} &".
+            "python -m paddle_serving_server.serve --model ../../lac/jieba_server_model/ --port {} &".
             format(self.lac_port))
         os.chdir('..')