refactor: 修改文章删除接口

app/admin/controller/v1/Article.php

@@ -139,8 +139,8 @@ class Article
     // 删除文章
     public function delete()
     {
-        $param = request()->param('id');
+        $id = request()->param('id');
-        $article = ArticleModel::id($param['id'])->find();
+        $article = ArticleModel::id($id)->find();
         if (is_null($article)) {
             return error('请确认操作对象是否存在');
         }