diff --git a/app/Models/CourseSign.php b/app/Models/CourseSign.php
index d05d983..ef51e47 100755
--- a/app/Models/CourseSign.php
+++ b/app/Models/CourseSign.php
@@ -298,7 +298,7 @@ class CourseSign extends SoftDeletesModel
             'area' => '苏州市外',
             'total' => $courseSignList3->count(),
             // 已去重
-            'total_unique' => User::groupBy('mobile')->whereIn('id', $courseSignList3->pluck('user_id'))->count(),
+            'total_unique' => User::groupBy('mobile')->whereIn('id', $courseSignList3->pluck('user_id'))->get()->count(),
         ];
 
         if ($retList) {