用的qq邮箱注册的，德国朋友的手机号。7月21号收到这样的邮件：

Dear ChatGPT customer,
You are receiving this email because we have identified suspicious activity on your account. In order to protect our platform, we have refunded and canceled your subscription. You will no longer have access to ChatGPT Plus service.
We take fraud prevention very seriously, and we want to ensure that our platform remains a safe and secure place for all our customers. If you believe that this action has been taken in error, we invite you to submit an appeal to have your account reinstated. Please visit help.openai.com.
Thanks for your understanding.
Best,
The OpenAI Team

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