diff --git a/src/admin/controllers/shop.controller.ts b/src/admin/controllers/shop.controller.ts
index 4caea11..dde1104 100644
--- a/src/admin/controllers/shop.controller.ts
+++ b/src/admin/controllers/shop.controller.ts
@@ -119,4 +119,19 @@ class ShopController extends BaseController {
       versionid: shop.gameInfo.versionid
     }
   }
+  @permission('shop:edit')
+  @router('post /shop/save_qtype')
+  async updateQTypes(req, res) {
+    let { shopid, qtypes } = req.params
+    if (!shopid) {
+      throw new ZError(11, 'params mismatch')
+    }
+    let shop = await Shop.findById(shopid)
+    if (!shop) {
+      throw new ZError(12, 'shop not found')
+    }
+    shop.qtypes = qtypes
+    await shop.save()
+    return {}
+  }
 }
diff --git a/src/models/shop/Shop.ts b/src/models/shop/Shop.ts
index 0e8075d..e5c0824 100644
--- a/src/models/shop/Shop.ts
+++ b/src/models/shop/Shop.ts
@@ -102,7 +102,10 @@ class ShopClass extends BaseModule {
    */
   @prop()
   public gameInfo?: GameInfo
-
+  /**
+   * 已选择的题库分类
+   * @type {string[]}
+   */
   @prop()
   public qtypes: string[]