update

app/Models/CourseSign.php

@@ -186,10 +186,8 @@ class CourseSign extends SoftDeletesModel
             $query->whereIn('id', $userIds);
         })->where('is_yh_invested', 1)->get();
         // 自定义时间：需要按被投时间筛选
-
         $startDate = substr($start_date, 0, 10);
         $endDate = substr($end_date, 0, 10);
-        dd($startDate, $endDate);
         // 筛选出被投时间在范围内的企业
         $filteredCompanies = [];
         foreach ($companies as $company) {