public async Task <List <ApplicationUser> > QueryAsync(
Expression <Func <UserInfo, bool> > express = null,
Func <IQueryable <UserInfo>, IIncludableQueryable <UserInfo, object> > include = null)
{
var spec = express == null ? null : Specification <UserInfo> .Eval(express);
var entities = await adminManage.QueryAsync(spec) as IEnumerable <UserInfo>;
return(entities.MapToList <ApplicationUser>());
}