解决二维码有时候不出来的问题

src/views/login/InviteScanCode.vue

@@ -134,10 +134,13 @@ export default {
     },
     mounted() {
         removeToken()
-        var s1 = document.createElement('script');
-        s1.type = 'text/javascript';
-        s1.src = 'https://res.wx.qq.com/connect/zh_CN/htmledition/js/wxLogin.js';
-        document.body.appendChild(s1);
+        this.$nextTick(()=>{
+            var s1 = document.createElement('script');
+            s1.type = 'text/javascript';
+            s1.src = 'https://res.wx.qq.com/connect/zh_CN/htmledition/js/wxLogin.js';
+            document.body.appendChild(s1);
+        })
+        
     }
 }