diff --git a/web/html/common/qrcode_modal.html b/web/html/common/qrcode_modal.html
index 9ad870f..9b50ca7 100644
--- a/web/html/common/qrcode_modal.html
+++ b/web/html/common/qrcode_modal.html
@@ -5,8 +5,8 @@
   justify-content: center; /* 在水平方向上居中 */
 }
 .qr-bg {
-  width: 500px; 
-  height: 500px;
+  width: 300px; 
+  height: 300px;
 } 
 .qr-modal-header {
   display: flex;