Liuyang Fu

> Is the activated endpoint you are using is `leetcode-cn`? The default is `leetcode` Yes, it is. 

> Hmm.. I haven't met this issue before. Is the unlocked problem accessible? Unlocked problems in both endpoints are fine. But when I switched to endpoint `leetcode` with a premium...

Uh.. that was my friend's account so I would prefer to access them in `leetcode-cn` endpoint. Do you think it will be helpful if I give you the account to...