coupon no cache, guang delete cache

@@ -5,7 +5,7 @@
  */
 
 'use strict';
-
+const _ = require('lodash');
 const couponModel = require('../models/coupon');
 
 exports.index = (req, res, next) => {
@@ -15,6 +15,12 @@ exports.index = (req, res, next) => {
         uid: req.user.uid,
         contentCode: req.query.contentCode
     }).then(result => {
+
+        // 无结果不缓存
+        if (_.isEmpty(result.categories)) {
+            res.set('Cache-Control', 'no-cache');
+        }
+
         res.render('coupon', Object.assign({
             module: 'activity',
             page: 'coupon'

@@ -948,7 +948,7 @@ const getDynamicDataByIds = (ids, udid, other) => {
         });
     }
 
-    return serviceApi.get('guang/api/*/article/getSimpleArticleList', params, {cache: true});
+    return serviceApi.get('guang/api/*/article/getSimpleArticleList', params);
 };
 
 module.exports = {