update

app/Http/Controllers/Mobile/CourseController.php

@@ -804,9 +804,9 @@ class CourseController extends CommonController
             $list = $list->orderBy('letter')->paginate(20);
         }
         // 获取当前用户参与报名
-        $userCourseSigns = CourseSign::where('user_id',$this->getUserId())->where('status', 1)->get();
+        $userCourseSigns = CourseSign::where('user_id', $this->getUserId())->where('status', 1)->get();
         // 获取当前用户允许的课程体系
-        $open_course_types = explode(',', $this->getUser()->open_course_types);
+        $coursesTypeIds = Course::whereIn('id', $userCourseSigns->pluck('course_id'))->pluck('type')->toArray();
 
         foreach ($list as $user) {
             $user->open_mobile = false;
@@ -819,7 +819,8 @@ class CourseController extends CommonController
                 continue;
             }
             // 获取用户的课程体系
-            $coursesTypeIds = Course::whereIn('id', $userCourseSigns->pluck('course_id'))->pluck('type')->toArray();
+            // 获取当前用户允许的课程体系，数组
+            $open_course_types = explode(',', $user->open_course_types);
             // 判断当前用户和$user课程体系是否存在交集
             if (count(array_intersect($coursesTypeIds, $open_course_types)) > 0) {
                 $user->open_mobile = true;