/// <summary>
/// 查询拼团拼团类目信息
/// </summary>
/// <returns></returns>
public async Task <OperationResult <List <GroupBuyingCategoryModel> > > GetGroupBuyingCategoryInfoAsync()
{
var result = await GroupBuyingManager.GetGroupBuyingCategoryInfo();
return(OperationResult.FromResult(result));
}