update README.md

RuoYi

2022-01-04 b7452cc2815de77809a4537ba540b5c0f34a69c9

 ruoyi-admin/src/main/java/com/ruoyi/web/controller/system/SysProfileController.java

@@ -72,7 +72,7 @@
                && UserConstants.NOT_UNIQUE.equals(userService.checkEmailUnique(user)))

        {

            return AjaxResult.error("修改用户'" + user.getUserName() + "'失败，邮箱账号已存在");

        }       
        }

        user.setUserId(sysUser.getUserId());

        user.setPassword(null);

        if (userService.updateUserProfile(user) > 0)