bug fixes

src/pages/login/login.vue

@@ -125,12 +125,15 @@ export default {
         this.$toast(response.msg)
       }
     },
-    bindVisitor(call) {
-      window.localStorage.userId
-        ? api.bindVisitor({ user_id: window.localStorage.userId }).then(res => {
-            call()
-          })
-        : call()
+    bindVisitor(callback) {
+      const userId = window.localStorage.userId
+      if (userId) {
+        api.bindVisitor({ user_id: userId }).then(res => {
+          callback()
+        })
+      } else {
+        callback()
+      }
     },
     wechatLogin() {
       const appId = 'wxc6044475caf2805a'