diff --git a/app/Models/CourseSign.php b/app/Models/CourseSign.php
index b25f86c..9376afe 100755
--- a/app/Models/CourseSign.php
+++ b/app/Models/CourseSign.php
@@ -118,7 +118,7 @@ class CourseSign extends SoftDeletesModel
                 // 开始结束日期的筛选。or查询
                 $query->whereBetween('start_time', [$start_date, $end_date])
                     ->orWhereBetween('end_time', [$start_date, $end_date]);
-            })->where(function ($query) {
+            })->where(function ($query) use ($courseType) {
                 $course_type_id = $courseType ?? request('course_type_id');
                 if ($course_type_id) {
                     $course_type_id = explode(',', $course_type_id);
@@ -143,7 +143,7 @@ class CourseSign extends SoftDeletesModel
         } else {
             $baseTotal = $user->count();
             // 历史数据
-            $historyTotal = HistoryCourse::whereHas('calendar', function ($query) {
+            $historyTotal = HistoryCourse::whereHas('calendar', function ($query) use ($courseType) {
                 $query->where('is_count_people', 1);
             })->whereHas('typeDetail', function ($query) {
                 $query->where('is_history', 1);
@@ -151,7 +151,7 @@ class CourseSign extends SoftDeletesModel
                 // 开始结束日期的筛选。or查询
                 $query->whereBetween('start_time', [$start_date, $end_date])
                     ->orWhereBetween('end_time', [$start_date, $end_date]);
-            })->where(function ($query) {
+            })->where(function ($query) use ($courseType) {
                 $course_type_id = $courseType ?? request('course_type_id');
                 if ($course_type_id) {
                     $course_type_id = explode(',', $course_type_id);