这个问题在这里已经有了答案:LaravelTrailingDataExceptionwhenmodelsaveorupdate(1个回答)关闭去年。我有这样的代码$editStuState=StuAtt::where('studentId','=',$id)->first();$editStuState->leave+=1;$editStuState->present=$editStuState->present-1;$editStuState->update();//OR$editStuState->save();return'thisisgood';我无法保存或更新我的数据，当我删