update

app/Models/CourseSign.php

@@ -122,9 +122,9 @@ class CourseSign extends SoftDeletesModel
                 if (isset($status)) {
                     $query->where('status', $status);
                 }
-//                if (isset($course_ids)) {
+                if (isset($course_ids)) {
-//                    $query->whereIn('course_id', $course_ids);
+                    $query->whereIn('course_id', $course_ids);
-//                }
+                }
             })->whereNotIn('status', [4, 5])
             ->get();
         return User::whereIn('id', $courseSignByType->pluck('user_id'))->distinct('mobile')->count();