diff --git a/app/Endpoint/Api/Http/Controllers/ArticleController.php b/app/Endpoint/Api/Http/Controllers/ArticleController.php
index eb85b088..8740ba60 100644
--- a/app/Endpoint/Api/Http/Controllers/ArticleController.php
+++ b/app/Endpoint/Api/Http/Controllers/ArticleController.php
@@ -38,7 +38,7 @@ class ArticleController extends Controller
 
     public function index(Request $request)
     {
-        $cate = (string) $request->query('cate', app_settings('article_health'));
+        $cate = (string) $request->query('cate', app_settings('app.article_health'));
         $key = (string) $request->query('key');
         $query = Article::where('is_show', 1);
         if ($cate) {
@@ -58,15 +58,16 @@ class ArticleController extends Controller
 
     public function category()
     {
-        $list = ArticleCategory::where('parent_id', app_settings('article_health'))->show()->sort()->get();
+        $list = ArticleCategory::where('parent_id', app_settings('app.article_health'))->show()->sort()->get();
 
         return ArticleCategoryResource::collection($list);
     }
 
     public function categoryTree()
     {
-        $nodes = ArticleCategory::where('parent_id', app_settings('article_health'))->show()->sort()->select(['id', 'cover', 'name', 'parent_id', 'sort'])->get();
-        $list = Helper::buildNestedArray($nodes->all(), 3, 'id', 'parent_id');
+        $pid = app_settings('app.article_health');
+        $nodes = ArticleCategory::where('parent_id', $pid)->show()->sort()->select(['id', 'cover', 'name', 'parent_id', 'sort'])->get();
+        $list = Helper::buildNestedArray($nodes->all(), $pid, 'id', 'parent_id');
 
         return $list;
     }