diff --git a/README.md b/README.md
index 46b1a3a..0391ed8 100644
--- a/README.md
+++ b/README.md
@@ -168,4 +168,4 @@ GOARCH=amd64 GOOS=linux go build -o bin/proxy cmd/proxy/main.go
 
 Please contact me with DingTalk:
 
-![image](https://user-images.githubusercontent.com/1088868/67843153-67cffb00-fb36-11e9-972e-ed9773bc115b.png)
+![image](./docs/_media/dingtalk-group.png)
diff --git a/docs/_media/dingtalk-group.png b/docs/_media/dingtalk-group.png
new file mode 100644
index 0000000..880a887
Binary files /dev/null and b/docs/_media/dingtalk-group.png differ