QCloudSMHDeleteFileRequest * request = [QCloudSMHDeleteFileRequest new];
request.libraryId = @"libraryId";
request.spaceId = @"spaceId";
request.filePath = @"test.jpg";
// 当媒体库开启回收站时，则该参数指定将文件移入回收站还是永久删除文件，1: 永久删除，0: 移入回收站，默认为 0
request.permanent = 0;
[request setFinishBlock:^(id  _Nullable outputObject, NSError * _Nullable error) {

}];
[[QCloudSMHService defaultSMHService] deleteFile:request];