ChatGPT2API 不能用了，什么情况
 "status": "failed",
      "duration_ms": 4532,
      "failure_code": "upstream_error",
      "failure_scope": "transient",
      "failure_capability": null,
      "failure_retryable": false,
      "failure_account_failure": true,
      "failure_retry_after": null,
      "status_code": 404,
      "error_type": "server_error",
      "public_error": "The image generation tool e...