添加一个默认空属性，用来判断节点显示

RuoYi

2019-12-26 3755597c760fc5f2896d02d5be871587abca547a

 ruoyi/src/main/java/com/ruoyi/project/system/controller/SysProfileController.java

@@ -98,6 +98,8 @@
            {

                AjaxResult ajax = AjaxResult.success();

                ajax.put("imgUrl", avatar);

                loginUser.getUser().setAvatar(avatar);

                tokenService.setLoginUser(loginUser);

                return ajax;

            }

        }