只查询一列，ToPageListAsync（x,x,x）报错返回

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版本
SqlSugar 5.0.0.10

描述
ToPageListAsync（1,10,total）报错

代码
RefAsync<int> total = 0;

var result=await db.Queryable<Test>().Where(x => x.Id == 1).GroupBy(x => x.Name).Select(x => x.Name).ToPageListAsync(1, 10, total);

信息
SqlSugarException: Queryable Error ,String is invalid , need is a class,and can new().

只查询一列，ToPageListAsync（x,x,x）报错 返回