diff --git a/README.md b/README.md
index 4e688a11f93fd394f30cabebffcba4b93a27b9ec..42aa8bf78a02fb6f7dfac6fc7b8a819e7dc0b901 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,6 @@ pip install paddle-serving-server
 ### Training Scripts
 
 ``` python
-import sys
 import paddle
 
 train_reader = paddle.batch(paddle.reader.shuffle(