update

app/Http/Controllers/Admin/OtherController.php

@@ -127,8 +127,7 @@ class OtherController extends CommonController
         $end_date = date('Y-m-d');
         foreach ($courseTypes as $courseType) {
             // 课程
-            $courses = Course::whereIn('type', $courseType->id)
+            $courses = Course::where('type', $courseType->id)->get();
-                ->get();
             // 已开设期数
             $courseType->course_periods_total = Course::where('type', $courseType->id)->count();
             // 培养人数去重