应该根据用户注册中心来检查标识，以确保新标识的有效性。

The identity should be checked against the user registry to ensure the validity of the new identity.

youdao

应该根据用户注册中心来检查标识，以确保新标识的有效性。

The identity should be checked against the user registry to ensure the validity of the new identity.

youdao