diff --git a/doc/demo/semantic_role_labeling/semantic_role_labeling.md b/doc/demo/semantic_role_labeling/semantic_role_labeling.md
index 19776c272effa40adba62eb6fe6045a9ff52bf47..5ade1ee8d6e715c00d600edc90e7577876bf05c4 100644
--- a/doc/demo/semantic_role_labeling/semantic_role_labeling.md
+++ b/doc/demo/semantic_role_labeling/semantic_role_labeling.md
@@ -146,7 +146,7 @@ paddle train \
 
 After training, the models  will be saved in directory `output`. Our training curve is as following:
 <center>
-![pic](./curve.jpg =100)
+![pic](./curve.jpg)
 </center>
 
 ### Run testing