update

app/Http/Controllers/Admin/OtherController.php

@@ -247,9 +247,13 @@ class OtherController extends CommonController
             // 条件2：course id 筛选（或关系）
             if ($courses && $courses->count() > 0) {
                 if ($hasCondition) {
-                    $query->orWhereIn('course_id', $courses->pluck('id'));
+                    $query->orWhereHas('course', function ($q) use ($courses) {
+                        $q->whereIn('id', $courses->pluck('id'));
+                    });
                 } else {
-                    $query->whereIn('course_id', $courses->pluck('id'));
+                    $query->whereHas('course', function ($q) use ($courses) {
+                        $q->whereIn('id', $courses->pluck('id'));
+                    });
                 }
             }
         })->get();