diff --git a/README.en.md b/README.en.md
index 66dbb3ce..37955ce0 100644
--- a/README.en.md
+++ b/README.en.md
@@ -167,7 +167,7 @@ Released under the [Apache License 2.0](LICENSE); free for commercial use.
 <table align="center">
   <tr>
     <td align="center">
-      <img src="./docs/images/qrcode/wechat-official.png" height="180" alt="Official WeChat Account"><br>
+      <img src="./docs/images/qrcode/wechat-official.jpg" height="180" alt="Official WeChat Account"><br>
       <sub>Official WeChat Account</sub>
     </td>
     <td>&nbsp;&nbsp;&nbsp;&nbsp;</td>
diff --git a/docs/images/qrcode/wechat-official.jpg b/docs/images/qrcode/wechat-official.jpg
new file mode 100644
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diff --git a/docs/images/qrcode/wechat-official.png b/docs/images/qrcode/wechat-official.png
deleted file mode 100644
index 54f1e17f..00000000
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