diff --git a/README.md b/README.md
index 310d2fd5..503e722d 100755
--- a/README.md
+++ b/README.md
@@ -137,7 +137,7 @@ public void test() {
 
 ## 文档页面
 
-<img src="./asset/sop_doc.png.jpg" />
+<img src="./asset/sop_doc.png" />
 
 ## 整体架构
 ![整体架构](./asset/arc.jpg)