完善 udid

@@ -115,12 +115,15 @@ app.use((req, res, next) => {
     req.yoho = {}; // req和res绑定yoho对象，用于传递全局数据, 如req.yoho.channel等
     req.app.locals.wap = app.locals.wap; // zookeper对象赋值
 
+    const udid = uuid.v4();
+
     // 独立的 UDID
     if (!req.cookies.udid) {
-        res.cookie('udid', uuid.v4(), {
+        res.cookie('udid', udid, {
             domain: 'yohobuy.com',
             expires: new Date(Date.now() + 365 * 24 * 60 * 60 * 1000)
         });
+        req.cookies.udid = udid;
     }
     next();
 });