fix(shop): 防止sql攻击 reviewed by yyq

@@ -25,6 +25,10 @@ exports.index = (req, res, next) => {
             _.isEmpty(req.query) ? null : req.query));
     }
 
+    if (isNaN(+shopId)) {
+        return res.redirect(301, '/404');
+    }
+
     if (req.xhr && req.query._pjax && shopId) {
         return req.ctx(shopModel).getShopGoodsData(shopId, req.yoho.channel, req.query).then(result => {
             Object.assign(result, {