若 API 调用失败，则最终返回结果中的错误码 code 不为 0，显示错误代码，message 字段会显示详细错误信息。用户可以根据 code 和 message 在错误码页面查询具体的错误信息。\n错误返回示例如下：
{
    "code": 4000,
    "message": "(100004)projectId不正确"
}

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错误返回结果