public async Task <ActionResult> Edit(Misc misc)
{
var entity = MiscService.GetById(misc.Id);
entity.ModifyDate = DateTime.Now;
entity.Title = misc.Title;
entity.Content = await ImagebedClient.ReplaceImgSrc(misc.Content.ClearImgAttributes());
bool b = MiscService.SaveChanges() > 0;
return(ResultData(null, b, b ? "修改成功" : "修改失败"));
}