添加intro和preference页面

@@ -54,7 +54,7 @@ exports.preference = (req, res) => {
         yhchannel: req.params.yhchannel,
         brandId: req.params.brandId
     }).then((result) => {
-       res.render('preference', {
+        res.render('preference', {
             result: result,
             devEnv: true
         });