No apk list found in android client

follow the instruction to set up local server repo

add Repo(http://111.231.106.243/fdroid/repo) in client and refresh. No apk found.
logcat log:
02-08 08:35:42.927: I/UpdateService(5351): Updating repo(s) complete, took 0 seconds to complete.

Looks like there are apps in your repo:

and it does have the right files for a signed repo:

Try refreshing again? Or provide more info so we can help troubleshoot.