diff --git a/python/examples/bert/bert_client.py b/python/examples/bert/bert_client.py
index b378f9f791bce4abfe79b068c1875d9b66f1791c..4111589b3ddfde980e415fbac1a5f38f4abafada 100644
--- a/python/examples/bert/bert_client.py
+++ b/python/examples/bert/bert_client.py
@@ -33,5 +33,5 @@ for line in sys.stdin:
     for key in feed_dict.keys():
         feed_dict[key] = np.array(feed_dict[key]).reshape((128, 1))
     #print(feed_dict)
-    result = client.predict(feed=feed_dict, fetch=fetch, batch=True)
+    result = client.predict(feed=feed_dict, fetch=fetch, batch=False)
 print(result)
diff --git a/python/examples/bert/bert_web_service.py b/python/examples/bert/bert_web_service.py
index e1260dd1c2942fc806f6fd6b2199feb9467a8c2b..7cd34fb99e0ecebbf2f6bec47e9c9d163ac3a44c 100644
--- a/python/examples/bert/bert_web_service.py
+++ b/python/examples/bert/bert_web_service.py
@@ -29,7 +29,7 @@ class BertService(WebService):
 
     def preprocess(self, feed=[], fetch=[]):
         feed_res = []
-        is_batch = True
+        is_batch = False
         for ins in feed:
             feed_dict = self.reader.process(ins["words"].encode("utf-8"))
             for key in feed_dict.keys():
diff --git a/python/examples/imdb/text_classify_service.py b/python/examples/imdb/text_classify_service.py
index 1d292194f963466d3e53859dc9e4c6da1789ea20..ca1e26002baf0284f282add235706080f7902c33 100755
--- a/python/examples/imdb/text_classify_service.py
+++ b/python/examples/imdb/text_classify_service.py
@@ -29,13 +29,14 @@ class IMDBService(WebService):
     def preprocess(self, feed={}, fetch=[]):
         feed_batch = []
         words_lod = [0]
+        is_batch = True
         for ins in feed:
             words = self.dataset.get_words_only(ins["words"])
             words = np.array(words).reshape(len(words), 1)
             words_lod.append(words_lod[-1] + len(words))
             feed_batch.append(words)
         feed = {"words": np.concatenate(feed_batch), "words.lod": words_lod}
-        return feed, fetch
+        return feed, fetch, is_batch
 
 
 imdb_service = IMDBService(name="imdb")
diff --git a/python/setup.py.app.in b/python/setup.py.app.in
index 1a06b0d352c1da4cdd09f74cb900853d4016afa8..8480ed8471e60c7e7eb8f14bf11a1cc2d23204cf 100644
--- a/python/setup.py.app.in
+++ b/python/setup.py.app.in
@@ -32,8 +32,8 @@ if '${PACK}' == 'ON':
 
 
 REQUIRED_PACKAGES = [
-    'six >= 1.10.0', 'sentencepiece', 'opencv-python<=4.2.0.32', 'pillow',
-    'shapely<=1.6.1', 'pyclipper'
+    'six >= 1.10.0', 'sentencepiece<=0.1.92', 'opencv-python<=4.2.0.32', 'pillow',
+    'pyclipper'
 ]
 
 packages=['paddle_serving_app',
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a1eb26e5cec23a8f76a50be48608f8a4532c6993
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,5 @@
+sphinx==2.1.0
+mistune
+sphinx_rtd_theme
+paddlepaddle>=1.8.4
+shapely<=1.6.1
diff --git a/doc/requirements.txt b/requirements_win.txt
similarity index 58%
rename from doc/requirements.txt
rename to requirements_win.txt
index 1560ebc5f9d74fbae773ac5bc45c5b42b044287a..a202642af70fec0c57642cc53b8ead82a5a7c7f1 100644
--- a/doc/requirements.txt
+++ b/requirements_win.txt
@@ -1,4 +1,5 @@
 sphinx==2.1.0
 mistune
 sphinx_rtd_theme
-paddlepaddle>=1.6
+paddlepaddle>=1.8.4
+shapely