fix 样式调整

@@ -27,7 +27,7 @@
         <van-col span="18" style="text-align: center;">
           <div class="qr-box">
             <van-icon size="13rem" :name="app_info_list[checkedIndex]?.qr_code"
-              style="border: 1px dashed #93663D; width: 100%; overflow: hidden;" />
+              style="width: 100%; overflow: hidden;" />
           </div>
         </van-col>
         <van-col span="3">