Old problem came out again
https://forums.garmin.com/developer/connect-iq/i/bug-reports/apps-new-updates-can-not-be-seen-after-several-days-in-apps-garmin-cn
forums.garmin.com/.../app-updates-apps-garmin-com-not-synced-to-iq-store-chinese-version-apps-garmin-cn
Yes I confirm it.