错误码 HTTP status 错误码 错误信息 描述 400 StandaloneModeNotAllowed ' operation ' is not supported by standalone mode of HBlock. 单机版本HBlock不支持该操作。 404 TuningNotComplete The previous tuning operation failed to execute on serverid1 , serverid2 ......, the system is automatically retrying. In the meantime, please check and ensure network connection is stable. If the issue persists, please contact software vendor. 上一次的性能调优操作未结束。