diff --git a/app/controller/api/store/product/StoreCategory.php b/app/controller/api/store/product/StoreCategory.php
index c20a5ea5..807ef981 100644
--- a/app/controller/api/store/product/StoreCategory.php
+++ b/app/controller/api/store/product/StoreCategory.php
@@ -12,6 +12,7 @@
 
 namespace app\controller\api\store\product;
 
+use app\common\dao\store\StoreCategoryDao;
 use think\App;
 use crmeb\basic\BaseController;
 use app\common\repositories\store\StoreCategoryRepository as repository;
@@ -76,4 +77,18 @@ class StoreCategory extends BaseController
         ])->order('sort DESC,create_time DESC')->select();
         return app('json')->success($data);
     }
+
+    /**
+     * @return mixed
+     */
+    public function index()
+    {
+        $pid = $this->request->get('pid', 0);
+        $merId = $this->request->get('mer_id', 0);
+        /** @var StoreCategoryDao $dao */
+        $dao = app()->make(StoreCategoryDao::class);
+        $data = $dao->children($pid, $merId);
+        return app('json')->success($data);
+    }
+
 }
diff --git a/route/api.php b/route/api.php
index 1379e431..645c5fa0 100644
--- a/route/api.php
+++ b/route/api.php
@@ -438,6 +438,7 @@ Route::group('api/', function () {
             Route::get('seckill/detail/:id', 'StoreProductSeckill/detail')->middleware(VisitProductMiddleware::class, 1);
             Route::get('category/lst', 'StoreCategory/lst');
             Route::get('category', 'StoreCategory/children');
+            Route::get('category/index', 'StoreCategory/index');
             Route::get('brand/lst', 'StoreBrand/lst');
             Route::get('detail/:id', 'StoreProduct/detail')->middleware(VisitProductMiddleware::class, 0);
             Route::get('show/:id', 'StoreProduct/show');