diff --git a/web/html/common/qrcode_modal.html b/web/html/common/qrcode_modal.html
index 37594b2..11fc4d4 100644
--- a/web/html/common/qrcode_modal.html
+++ b/web/html/common/qrcode_modal.html
@@ -3,8 +3,6 @@
 .qr-container {
   display: flex;
   justify-content: center; /* 在水平方向上居中 */
-  margin-left: 50px; /* 左边距 */
-  margin-right: 50px; /* 右边距 */
 }
 
 .qr-modal-header {
@@ -99,7 +97,7 @@ const qrModalApp = new Vue({
         setQrCode(elmentId, content) {
             new QRious({
                 element: document.querySelector('#' + elmentId),
-                size: 400,
+                size: 500,
                 value: content,
                 background: 'white',
                 backgroundAlpha: 0,