替换var 为const/let

删除未使用import
替换 == 为 ===

yudao-ui-admin/src/views/system/user/profile/userInfo.vue

@@ -49,7 +49,7 @@ export default {
         mobile: [
           { required: true, message: "手机号码不能为空", trigger: "blur" },
           {
-            pattern: /^1[3|4|5|6|7|8|9][0-9]\d{8}$/,
+            pattern: /^1[3|456789][0-9]\d{8}$/,
             message: "请输入正确的手机号码",
             trigger: "blur"
           }