diff --git a/python/examples/lac/lac_client.py b/python/examples/lac/lac_client.py
index ab9af730abb2f5b33f4d0292115b2f7bf682f278..286c2e23df066b83ad1060e1cfb0647861a0b611 100644
--- a/python/examples/lac/lac_client.py
+++ b/python/examples/lac/lac_client.py
@@ -36,4 +36,4 @@ for line in sys.stdin:
     end = fetch_map['crf_decode.lod'][1]
     segs = reader.parse_result(line, fetch_map["crf_decode"][begin:end])
 
-    print({"word_seg": "|".join(segs)})
+    print("word_seg: " + "|".join(segs))
diff --git a/python/paddle_serving_app/reader/lac_reader.py b/python/paddle_serving_app/reader/lac_reader.py
index 7e804ff371e2d90d79f7f663e83a854b1b0c9647..fd81ef363fb5e4dbca91aad48ace096a10b8dbaf 100644
--- a/python/paddle_serving_app/reader/lac_reader.py
+++ b/python/paddle_serving_app/reader/lac_reader.py
@@ -111,6 +111,8 @@ class LACReader(object):
         return word_ids
 
     def parse_result(self, words, crf_decode):
+        if py_version == 2:
+            words = unicode(words, "utf-8")
         tags = [self.id2label_dict[str(x[0])] for x in crf_decode]
 
         sent_out = []