问上传视频创建文件夹报错信息-80和buncket为空？

请问一下，我使用文档里面的创建文件夹方法TXYCreateDir createDirCommand = [TXYCreateDir allocinitWithURL:@”/appId/bucketId/MyDocument/TestFolder”]; [self.uploadManager sendCommand:createDirCommand signnilcomplete^(TXYTaskRsp resp) { if (resp.retCode >= 0) { NSLog(@"创建目录成功，code:%d desc:%@", resp.retCode, resp.descMsg); } else { NSLog(@"创建目录失败，code:%d desc:%@", resp.retCode, resp.descMsg); } }];会报错为buncket为空！！会报错为buncket为空！！会报错为buncket为空！！会报错为buncket为空！！会报错为buncket为空！！会报错为buncket为空！！请问一下url中的几个参数分别需要传递的是什么？