diff --git a/app/Admin/Services/KeywordService.php b/app/Admin/Services/KeywordService.php
index 07b7e34..d257cec 100644
--- a/app/Admin/Services/KeywordService.php
+++ b/app/Admin/Services/KeywordService.php
@@ -31,14 +31,22 @@ class KeywordService extends BaseService
         return ['items' => $this->getTree(request()->all())];
     }
 
-    public function delete(string $ids): mixed
+    /**
+     * 删除的前置方法
+     * 
+     * @param array $ids 主键id
+     * @return mixed true: 继续后续操作, string: 中断操作, 返回错误提示
+     */
+    public function preDelete(array $ids)
     {
-        $ids = explode(',', $ids);
-        if (count($ids) == 1) {
-            $this->query()->where('path', 'like', '%-'.$ids[0].'-%')->delete();
-        }
+        // 删除子级
+        $this->query()->where(function ($q) use ($ids) {
+            foreach ($ids as $id) {
+                $q->orWhere('path', 'like', '%-'.$id.'-%');
+            }
+        })->delete();
 
-        return $this->query()->whereIn('id', $ids)->delete();
+        return true;
     }
 
     public function validate($data, $id = null)