Premium membership not available and cannot restore purchase

Hi,

I purchased lightroom premium membership from google play on 4/26 and I activated it on my phone, all features were working. But about 2 days later, the premium membership was gone, and I checked google play subscription status, it was normal. Then I tried to resort purchase but not working. I'm sure I used the same account as before, but it just didn't work. Please help me check this.

The Google account is zhangzheng0716@gmail.com

And again, I did purchase and activate premium membership with this Google account and Adobe account which I'm using for posting this.

Ted