diff --git a/examples/handwritten_number_recognition/README.md b/examples/handwritten_number_recognition/README.md
index 4fa6a7184cabd9728445dd062c3810cc0981c612..e1b1e5eb4276182e1fc37022a6dd7e3b68aa45c0 100644
--- a/examples/handwritten_number_recognition/README.md
+++ b/examples/handwritten_number_recognition/README.md
@@ -47,7 +47,7 @@ python mnist.py --resume mnist_checkpoint/final.pdparams --eval-only
 ```
 切换动态图模式评估：
 ```
-python mnist.py --resume mnist_checkpoint/final.pdparams --eval-only
+python mnist.py --resume mnist_checkpoint/final.pdparams --eval-only --dynamic
 ```
 多卡评估
 ```