diff --git a/README.md b/README.md
index 70af965..a5604a5 100644
--- a/README.md
+++ b/README.md
@@ -544,5 +544,4 @@ A: The software does not use a proxy by default. You can enable it by setting th
 Welcome to support the author. Please kindly mention the reason for your appreciation in the notes. ❤
 
 <p align="center">
-  <img src="./images/赞赏码.jpg" alt="赞赏码" style="width: 50vw">
-</p>
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+  <img src="./images/赞赏码.jpg" alt="赞赏码" style="width: 50vw;max-width: 300px"></p>
\ No newline at end of file
diff --git a/README_JP.md b/README_JP.md
index a6dce40..2fa1e46 100644
--- a/README_JP.md
+++ b/README_JP.md
@@ -528,5 +528,4 @@ A: デフォルトではプロキシを使用しません。環境変数`DOCUTRA
 作者へのサポートを歓迎します。備考欄に応援の理由を記載していただけると幸いです。
 
 <p align="center">
-  <img src="./images/赞赏码.jpg" alt="赞赏码" style="width: 50vw">
-</p>
\ No newline at end of file
+  <img src="./images/赞赏码.jpg" alt="赞赏码" style="width: 50vw;max-width: 300px"></p>
\ No newline at end of file
diff --git a/README_ZH.md b/README_ZH.md
index 3f3b617..ff2c188 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -519,5 +519,5 @@ A: 软件默认不使用代理，可以通过设置环境变量`DOCUTRANSLATE_PR
 欢迎支持作者，烦请在备注中说明一下赞赏原因哟
 
 <p align="center">
-  <img src="./images/赞赏码.jpg" alt="赞赏码" style="width: 50vw">
+  <img src="./images/赞赏码.jpg" alt="赞赏码" style="width: 50vw;max-width: 300px">
 </p>
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