diff --git a/python/examples/imdb/README.md b/python/examples/imdb/README.md
index 26b1bb2565d842ffbfadfbeb4cd7838b909832a9..8f040c409575010e784d6aca56855c297598608a 100644
--- a/python/examples/imdb/README.md
+++ b/python/examples/imdb/README.md
@@ -4,7 +4,7 @@
 
 单进程client
 ```
-cat test.data | python test_client.py > result
+cat test.data | python test_client.py inference.conf > result
 ```
 多进程client，若进程数为4
 ```