修复已知问题

api/mall.js

@@ -70,3 +70,12 @@ export const getGroupDetail = id => {
     loading: false
   })
 }
+
+/** 获取可参与的拼团列表 */
+export const getParticipateList = id => {
+  return http({
+    url: `/api/service/groupOrder/available/${id}`,
+    method: 'get',
+    loading: false
+  })
+}