diff --git a/app/Models/CourseSign.php b/app/Models/CourseSign.php
index cc97210..9dfe829 100755
--- a/app/Models/CourseSign.php
+++ b/app/Models/CourseSign.php
@@ -789,7 +789,7 @@ class CourseSign extends SoftDeletesModel
             }
 
             // 转换为数组并返回
-            return array_values($result);
+            return collect(array_values($result));
         } else {
             // 返回统计数据
             return $companies->count();