diff --git a/app/Endpoint/Api/Http/Controllers/Product/ProductCategoryController.php b/app/Endpoint/Api/Http/Controllers/Product/ProductCategoryController.php
index b2f6e378..4c110069 100644
--- a/app/Endpoint/Api/Http/Controllers/Product/ProductCategoryController.php
+++ b/app/Endpoint/Api/Http/Controllers/Product/ProductCategoryController.php
@@ -3,22 +3,29 @@
 namespace App\Endpoint\Api\Http\Controllers\Product;
 
 use App\Endpoint\Api\Http\Controllers\Controller;
-use App\Endpoint\Api\Http\Resources\ProductCategoryResource;
 use App\Models\ProductCategory;
 use Illuminate\Http\Request;
 
 class ProductCategoryController extends Controller
 {
-    /**
-     * 商品分类
-     *
-     * @param \Illuminate\Http\Request $request
-     * @return \Illuminate\Http\JsonResponse
-     */
     public function index(Request $request)
     {
-        $categories = ProductCategory::filter(['pid' => 2])->latest('sort')->get();
+        $list = ProductCategory::showable()->latest('sort')->get();
+        $data = $this->tree($list);
 
-        return ProductCategoryResource::collection($categories);
+        return response()->json($data);
+    }
+
+    protected function tree($list, $pid = null)
+    {
+        $items = $list->where('parent_id', $pid);
+        $data = [];
+        foreach($items as $item) {
+            $sub_data = ['id' => $item->id, 'name' => $item->name, 'icon' => $item->icon ?: ''];
+            $children = $this->tree($list, $item->id);
+            $sub_data['children'] = $children;
+            array_push($data, $sub_data);
+        }
+        return $data;
     }
 }
diff --git a/app/Endpoint/Api/Http/Resources/ProductCategoryResource.php b/app/Endpoint/Api/Http/Resources/ProductCategoryResource.php
deleted file mode 100644
index 52570aa4..00000000
--- a/app/Endpoint/Api/Http/Resources/ProductCategoryResource.php
+++ /dev/null
@@ -1,23 +0,0 @@
-<?php
-
-namespace App\Endpoint\Api\Http\Resources;
-
-use Illuminate\Http\Resources\Json\JsonResource;
-
-class ProductCategoryResource extends JsonResource
-{
-    /**
-     * Transform the resource into an array.
-     *
-     * @param  \Illuminate\Http\Request  $request
-     * @return array|\Illuminate\Contracts\Support\Arrayable|\JsonSerializable
-     */
-    public function toArray($request)
-    {
-        return [
-            'id' => $this->id,
-            'name' => $this->name,
-            'icon' => (string) $this->icon,
-        ];
-    }
-}