recomend list

@@ -16,7 +16,7 @@ const MINUTE_TIMES = 60;
 const PRODUCT_CACHE_TIMES = MINUTE_TIMES * 5; // 商品（列表&详情）缓存时间
 const RECENT_CODE_CACHE_TIME = MINUTE_TIMES; // 最近获取记录缓存时间
 const MAX_JOIN_TIMES = 5; // 最大活动参与次数
-
+const MAX_RECOMEND_NUM = 10; // 最大推荐活动数目
 const PAGE_SIZE = 10;
 
 const userTimesCache = new MemoryCache();
@@ -140,13 +140,11 @@ module.exports = class extends global.yoho.BaseModel {
     getListRecommend(actPrizeId, extra = {}) {
         const actId = parseInt(extra.actId, 10) || 0;
 
-        let lid = parseInt(actPrizeId, 10) || 0;
-
         return mysqlCli.query(`select * from ${TABLE_ACT_PRIZE_PRODUCT}
-            where act_id = :actId and id > :actPrizeId and status > 0
-            order by sort desc limit 5`, {
+            where act_id = :actId and status > 0
+            order by sort desc limit ${MAX_RECOMEND_NUM + 1}`, {
                 actId,
-                actPrizeId: lid - 3
+                actPrizeId
             }, {
                 cache: PRODUCT_CACHE_TIMES
             }).then(result => {
@@ -154,7 +152,7 @@ module.exports = class extends global.yoho.BaseModel {
                     return +n.id === +actPrizeId;
                 });
 
-                return handelResult(handelActivityList(_.takeRight(result, 2)));
+                return handelResult(handelActivityList(_.take(result, MAX_RECOMEND_NUM)));
             });
     }