增加预览模式

@@ -2,7 +2,10 @@
 const model = require('../models/feature');
 
 exports.index = function(req, res, next) {
-    model.index(req.params).then((result) => {
+    model.index({
+        code: req.params.code,
+        type: req.query.type
+    }).then((result) => {
         res.render('feature', {
             module: 'activity',
             page: 'feature',