update

app/Models/CourseSign.php

@@ -343,7 +343,7 @@ class CourseSign extends SoftDeletesModel
             '集成电路公司', '常州团队', '国企元禾'
         ];
         $company = Company::whereHas('users', function ($query) use ($courseSignByType, $companyNameKeyword) {
-            $query->whereIn('id', $courseSignByType->pluck('user_id'));
+            $query->whereIn('id1', $courseSignByType->pluck('user_id'));
         })->where(function ($query) use ($companyNameKeyword) {
             foreach ($companyNameKeyword as $item) {
                 $query->orWhere('company_name', 'like', '%' . $item . '%');