diff --git a/app/Models/CourseSign.php b/app/Models/CourseSign.php
index 73231e7..b0ab770 100755
--- a/app/Models/CourseSign.php
+++ b/app/Models/CourseSign.php
@@ -199,8 +199,9 @@ class CourseSign extends SoftDeletesModel
                 }
             }
         }
-        dd(Company::whereNotIn('id', $filteredCompanies->pluck('id'))->get()->toArray());
         $companies = collect($filteredCompanies);
+        dd(Company::whereNotIn('id', $companies->pluck('id'))->get()->toArray());
+
         // 返回结果
         if ($retList) {
             return $companies->values();