diff --git a/app/index/controller/Article.php b/app/index/controller/Article.php
index 8a78e6d8..d726782b 100644
--- a/app/index/controller/Article.php
+++ b/app/index/controller/Article.php
@@ -3,6 +3,7 @@ declare (strict_types = 1);
 
 namespace app\index\controller;
 
+use app\admin\controller\v1\ArticleCategory;
 use app\index\model\ArticleCategoryModel;
 use app\index\model\ArticleLeaveMessageModel;
 use app\index\model\ArticleModel;
@@ -115,7 +116,10 @@ class Article extends Common
         View::assign('comments', $comments);
 
         // 获取倒序或发布时间倒序3篇文章做为推荐文章
-        $recommends = ArticleModel::field([
+        $category_model = new ArticleCategoryModel;
+        $parent_id      = $category_model->bypk($detail['category_id'])->value('pid');
+        $categorys      = $category_model->child($parent_id)->column('id');
+        $recommends     = ArticleModel::field([
                 'id',
                 'title',
                 'desc',
@@ -123,6 +127,7 @@ class Article extends Common
             ])
             ->where('id', '<>', $id)
             ->language($this->lang_id)
+            ->category($categorys)
             ->order(['release_time' => 'desc', 'id' => 'desc'])
             ->limit(3)
             ->select();
diff --git a/app/index/model/ArticleCategoryModel.php b/app/index/model/ArticleCategoryModel.php
index 3b9157fc..223ffcd4 100644
--- a/app/index/model/ArticleCategoryModel.php
+++ b/app/index/model/ArticleCategoryModel.php
@@ -46,6 +46,17 @@ class ArticleCategoryModel extends ArticleCategoryBaseModel
         $query->where('pid', '=', $parent);
     }
 
+    // 所属子分类范围查询
+    public function scopeChild($query, $id, $merge_self = false)
+    {
+        $query->where(function($q) use($id, $merge_self) {
+            $q->where('pid', '=', $id);
+            if ($merge_self) {
+                $q->whereOr('id', '=', $id);
+            }
+        });
+    }
+
     // 是否显示状态范围查询
     public function scopeIsShow($query, bool $is_show)
     {
diff --git a/app/index/model/ArticleModel.php b/app/index/model/ArticleModel.php
index 03b173da..fe1fbfb9 100644
--- a/app/index/model/ArticleModel.php
+++ b/app/index/model/ArticleModel.php
@@ -32,6 +32,11 @@ class ArticleModel extends ArticleBaseModel
     // 文章分类范围查询
     public function scopeCategory($query, $category)
     {
+        if (is_null($category)) return;
+        if (is_array($category)) {
+            $query->where('category_id', 'in', $category);
+            return;
+        }
         $query->where('category_id', '=', $category);
     }