putempdetail编辑api中的错误不起作用

[HttpPut]
[Route("PutEmpDetail")]
public async Task<actionResult<EmpDetail>> PutEmpDetail(int id,EmpDetail empDetail)

{
    var obj = _empcontext.EmpDetails.Where(x => x.Id == empDetail.Id).FirstOrDefault();
    if (obj != null)
    {
        obj.empcode = empDetail.empcode;
        obj.empname = empDetail.empname;
        obj.salary = empDetail.salary;
        await _empcontext.SaveChangesAsync();
        return CreatedAtaction("GetempDetail",empDetail);
    }
}

putempdetail编辑api中的错误不起作用