diff --git a/demo/quick_start/dataprovider_bow.py b/demo/quick_start/dataprovider_bow.py
index 435e6d8175bd68ba82a1270a238a2abd9c963dd5..f8cde189cf87d73aec05da4b34e064cddecff56b 100644
--- a/demo/quick_start/dataprovider_bow.py
+++ b/demo/quick_start/dataprovider_bow.py
@@ -79,6 +79,6 @@ def predict_initializer(settings, dictionary, **kwargs):
 def process_predict(settings, file_name):
     with open(file_name, 'r') as f:
         for line in f:
-            comment = line.strip()
+            comment = line.strip().split()
             word_vector = [settings.word_dict.get(w, UNK_IDX) for w in comment]
             yield word_vector
diff --git a/demo/quick_start/dataprovider_emb.py b/demo/quick_start/dataprovider_emb.py
index e5030c5e71aa582edcf72eeeda70e3c04d593673..ca940a89e54770eaf93b7c704a8d1274de2dc693 100755
--- a/demo/quick_start/dataprovider_emb.py
+++ b/demo/quick_start/dataprovider_emb.py
@@ -47,6 +47,6 @@ def predict_initializer(settings, dictionary, **kwargs):
 def process_predict(settings, file_name):
     with open(file_name, 'r') as f:
         for line in f:
-            comment = line.strip()
+            comment = line.strip().split()
             word_slot = [settings.word_dict.get(w, UNK_IDX) for w in comment]
             yield word_slot