fix-layout

pages/qrcode/index.wxss

@@ -14,7 +14,6 @@
   margin-bottom: 20px;
   width: 100%;
   box-sizing: border-box;
-  margin-left: -5px;
 }
 
 .user-info-header {
@@ -111,7 +110,7 @@
 .qrcode-image {
   width: 300px;
   height: 300px;
-  margin: 0 auto 0 -5px;
+  margin: 0 auto;
   background-color: white;
   padding: 15px;
   border-radius: 10px;
@@ -150,7 +149,7 @@
 .qrcode-placeholder {
   width: 300px;
   height: 300px;
-  margin: 0 auto 0 -5px;
+  margin: 0 auto;
   background-color: #f0f0f0;
   border-radius: 10px;
   display: flex;