update

app/Models/CourseSign.php

@@ -328,7 +328,7 @@ class CourseSign extends SoftDeletesModel
     }
 
     /**
-     * 元和员工参与人员
+     * 元和员工参人员
      */
     public static function companyJoin($start_date = null, $end_date = null, $course_ids = null, $retList = false)
     {
@@ -342,13 +342,15 @@ class CourseSign extends SoftDeletesModel
             '禾裕集团', '苏州科服', '信诚管理咨询',
             '集成电路公司', '常州团队', '国企元禾'
         ];
-        $list = User::whereHas('company', function ($query) use ($companyNameKeyword) {
+        $company = Company::whereHas('users', function ($query) use ($courseSignByType, $companyNameKeyword) {
-            $query->where(function ($q) use ($companyNameKeyword) {
+            $query->whereIn('id', $courseSignByType->pluck('user_id'));
+        })->where(function ($query) use ($companyNameKeyword) {
             foreach ($companyNameKeyword as $item) {
-                    $q->orWhere('company_name', 'like', '%' . $item . '%');
+                $query->orWhere('company_name', 'like', '%' . $item . '%');
             }
-            });
+        })->get();
-        })->whereIn('id1', $courseSignByType->pluck('user_id'))->get();
+        $list = $company->pluck('users')->flatten();
+
         if ($retList) {
             // 返回列表
             return $list;