手动注册了一个账号，发现只有样例的gpt-5-nano 可以用，换成gpt-5.2 之类的就提示没额度了。和注册机的证书完全不一样，请问是哪里有问题？ 
{ 
“error”: { 
“message”: “You exceeded your current quota, please check your plan and billing details. For more information on this error, read the docs: https://platform.openai.com/docs/guides/error-codes/api-errors.”, 
“type”: “insufficient_quota”, 
“param”: null, 
“code”: “insufficient_quota” 
}