diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -5,5 +5,4 @@ This is learnware market project.
 
 ## 1 当前类结构图
 
-* [!][img](./docs/_static/img/classes.png)
-
+![picture 1](docs/_static/img/classes.png)  
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