xxxxxxxxxx[TTLock resetLockWithLockData:_lockModel.lockData success:^{ // [Network resetLock:lockId success:nil faile]; NSLog(@"############## Reset lock success ##############"); } failure:^(TTError errorCode, NSString *errorMsg) { NSLog(@"############## error: %@ ##############",errorMsg);}];2、Request cloud API:Delete Lock in the success callback method to delete the lock from the cloud server.