diff --git a/dygraph/README.md b/dygraph/README.md
index 9262702c0cb871fbc391cc2c41bd6f16a52ea0f9..20728e6bb5321e78122b9e925544419e9ec4483c 100644
--- a/dygraph/README.md
+++ b/dygraph/README.md
@@ -1,13 +1,13 @@
 # 动态图执行
 
 ## 数据集设置
-'''
+```
 data_dir='data/path'
 train_list='train/list/path'
 val_list='val/list/path'
 test_list='test/list/path'
 num_classes=number/of/dataset/classes
-'''
+```
 
 ## 训练
 ```