diff --git a/doc/C++_Serving/ABTest_CN.md b/doc/C++_Serving/ABTest_CN.md
index eb2aa24c1882dcbd4ffaf8a30c8936a140f17d3d..d3aa73103ba79f1d55d7b6383f4e7a0233e26146 100755
--- a/doc/C++_Serving/ABTest_CN.md
+++ b/doc/C++_Serving/ABTest_CN.md
@@ -11,7 +11,7 @@
 ### 下载数据以及模型
 
 ``` shell
-cd Serving/python/examples/imdb
+cd Serving/examples/C++/imdb
 sh get_data.sh
 ```