im fix

@@ -16,7 +16,7 @@ const chatQa = require(`${cRoot}/chatQa`); // 问题搜索列表页
 // middlware
 
 const authGuard = require('../../doraemon/middleware/auth');
-const disableBFCache = require('../../doraemon/middleware/disable-bfcache');
+const disableBFCache = require('../../doraemon/middleware/disable-BFCache');
 
 // Your controller here
 router.get('/im', disableBFCache, chat.appAdapter, authGuard, chat.page);

@@ -20,13 +20,11 @@ module.exports = () => {
         }
 
         // app 特殊读法
-        if (!req.user.uid && req.yoho.isApp) {
         let userAgent = _.get(req.headers, 'user-agent', '');
 
-            if (userAgent.indexOf('YohoBuy') >= 0) {
+        if (!req.user.uid && userAgent.indexOf('YohoBuy') >= 0) {
             req.user.uid = req.cookies._YOHOUID || 0;
         }
-        }
 
         next();
     };