update

app/Models/CourseSign.php

@@ -193,7 +193,6 @@ class CourseSign extends SoftDeletesModel
         $companies = Company::whereHas('users', function ($query) use ($userIds) {
             $query->whereIn('id', $userIds);
         })->where('is_yh_invested', 1)->get();
-        dd($isDefaultDate);
 
         // 自定义时间：需要按被投时间筛选
         if (!$isDefaultDate) {