diff --git a/README.md b/README.md
index 410cd61..d47e889 100644
--- a/README.md
+++ b/README.md
@@ -367,5 +367,6 @@ Become a bronze sponsor with a monthly donation of $10 and get your logo on our
 
 ## ☕️ Buy me a coffee
 
-<img src="https://raw.githubusercontent.com/panjf2000/illustrations/master/payments/WeChatPay.JPG" width="300" align="middle"/>&nbsp;&nbsp;
-<img src="https://raw.githubusercontent.com/panjf2000/illustrations/master/payments/AliPay.JPG" width="300" align="middle"/>&nbsp;&nbsp;
\ No newline at end of file
+<img src="https://raw.githubusercontent.com/panjf2000/illustrations/master/payments/WeChatPay.JPG" width="250" align="middle"/>&nbsp;&nbsp;
+<img src="https://raw.githubusercontent.com/panjf2000/illustrations/master/payments/AliPay.JPG" width="250" align="middle"/>&nbsp;&nbsp;
+<a href="https://www.paypal.me/R136a1X" target="_blank"><img src="https://raw.githubusercontent.com/panjf2000/illustrations/master/payments/PayPal.JPG" width="250" align="middle"/></a>&nbsp;&nbsp;
\ No newline at end of file
diff --git a/README_ZH.md b/README_ZH.md
index 80b2a4f..cad5831 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -365,5 +365,6 @@ pool.Release()
 
 ## ☕️ 打赏
 
-<img src="https://raw.githubusercontent.com/panjf2000/illustrations/master/payments/WeChatPay.JPG" width="300" align="middle"/>&nbsp;&nbsp;
-<img src="https://raw.githubusercontent.com/panjf2000/illustrations/master/payments/AliPay.JPG" width="300" align="middle"/>&nbsp;&nbsp;
\ No newline at end of file
+<img src="https://raw.githubusercontent.com/panjf2000/illustrations/master/payments/WeChatPay.JPG" width="250" align="middle"/>&nbsp;&nbsp;
+<img src="https://raw.githubusercontent.com/panjf2000/illustrations/master/payments/AliPay.JPG" width="250" align="middle"/>&nbsp;&nbsp;
+<a href="https://www.paypal.me/R136a1X" target="_blank"><img src="https://raw.githubusercontent.com/panjf2000/illustrations/master/payments/PayPal.JPG" width="250" align="middle"/></a>&nbsp;&nbsp;
\ No newline at end of file