私有化的升级提醒页面404

Summary

Steps to reproduce

安装非最新版的极狐 gitlab（比如 16.7）
点击左下角的升级提醒

Example Project

https://presales-demo.jihulab.com/help/update/index

What is the current bug behavior?

404

What is the expected correct behavior?

200

Relevant logs and/or screenshots