diff --git a/dygraph/README.md b/dygraph/README.md
index 01d4374ec19ae0a2fd763dbd7fac9fc1dfc0ef00..d26a9134f2793468dce2e45afa7a610d48335e76 100644
--- a/dygraph/README.md
+++ b/dygraph/README.md
@@ -1,8 +1,12 @@
 # 动态图执行
 
 ## 下载及添加路径
+```
 git clone https://github.com/PaddlePaddle/PaddleSeg
+cd PaddleSeg
 export PYTHONPATH=$PYTHONPATH:`pwd`
+cd dygraph
+```
 
 ## 训练
 ```