diff --git a/app/admin/controller/v1/VideoCategory.php b/app/admin/controller/v1/VideoCategory.php
index f327daf5..eda70424 100644
--- a/app/admin/controller/v1/VideoCategory.php
+++ b/app/admin/controller/v1/VideoCategory.php
@@ -149,6 +149,11 @@ class VideoCategory
             return error('请确认操作对象是否存在');
         }
 
+        // 检查该分类下是否存在视频
+        if ($category->video()->count()) {
+            return error('该分类下存在视频，请先删除视频');
+        }
+
         if (!$category->delete()) {
             return error('操作失败');
         }
diff --git a/app/admin/model/v1/VideoCategoryModel.php b/app/admin/model/v1/VideoCategoryModel.php
index f2062865..727dd060 100644
--- a/app/admin/model/v1/VideoCategoryModel.php
+++ b/app/admin/model/v1/VideoCategoryModel.php
@@ -11,6 +11,12 @@ use app\common\model\VideoCategoryBaseModel;
  */
 class VideoCategoryModel extends VideoCategoryBaseModel
 {
+    // 关联视频模型
+    public function video()
+    {
+        return $this->hasMany(VideoModel::class, 'category_id', 'id');
+    }
+
     // 分类名称搜索
     public function searchNameAttr($query, $value)
     {