联盟下单修复

@@ -189,22 +189,18 @@ exports.orderSub = (req, res, next) => {
         /*
          *1、http://union.yohobuy.com/go?client_id=3415&aid=0118&channel=3415&cid=3601&wi=NDgwMDB8dGVzdA==&target=http://m.yohobuy.com/
          *2、http://union.yoho.cn/union/jump?channel_id=51fanli&u_id=6&tracking_code=fanli123&target_url=http%3a%2f%2fm.yohobuy.com%3funion_type%3d3063%26utm_source%3dmfanli%26utm_medium%3dcps%26utm_campaign%3dmpfanli
+         *3、union.yohobuy.com/go/proxy?utm_medium=none&utm_campaign=none&client_id=991002&ads_code=&go_url=https%253A%252F%252Fm.yohobuy.com%252F%253Futm_source%253Dhyyx%2526utm_medium%253Dnone%2526utm_campaign%253Dnone%2526union_type%253D991002&channel_code=hyyx&append=&mbr_name=&u_id=&aid=&channel=cps&cid=&wi=
          **/
         /* tar modified 161108 添加新的联盟数据处理逻辑，兼容原有联盟数据处理，
                     区别是旧的北京写 cookie 加密过来，新的 node 写 cookie，没有加密 */
         if (req.cookies._QYH_UNION) {
-            try {
+            unionKey = authcode(req.cookies._QYH_UNION, 'q_union_yohobuy');
+
+            if (!unionKey) {
                 let encryData = crypto.decrypt('', decodeURIComponent(req.cookies._QYH_UNION));
                     encryData = encryData.substr(0, encryData.lastIndexOf('}') + 1);
-                testQyhUnion = JSON.parse(encryData);
-            } catch (e) {
-                testQyhUnion = {};
-            }
-
-            if (testQyhUnion.client_id) {
-                unionKey = encryData;
-            } else {
-                unionKey = authcode(req.cookies._QYH_UNION, 'q_union_yohobuy');
+                let testQyhUnion = JSON.parse(encryData);
+                unionKey = testQyhUnion.client_id ? encryData : '';
             }
         } else {
             unionKey = '{"client_id":' + req.cookies.mkt_code + '}';