Backport #26016 by @wxiaoguang
Close#25906

Succeeded logs:
```
[I] router: completed GET /root/test/issues/posters?&q=%20&_=1689853025011 for [::1]:59271, 200 OK in 127.7ms @ repo/issue.go:3505(repo.IssuePosters)
[I] router: completed GET /root/test/pulls/posters?&q=%20&_=1689853968204 for [::1]:59269, 200 OK in 94.3ms @ repo/issue.go:3509(repo.PullPosters)
```
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
(cherry picked from commit 54a516e9da)