lazyload，app跳转，添加platform

@@ -123,7 +123,7 @@ module.exports = class extends global.yoho.BaseModel {
                     let discount = this.getDiscound(val.sales_price, val.market_price);
                     let url = `//m.yohobuy.com/product/${val.product_skn}.html`;
 
-                    if (params.isApp) {
+                    if (params.isApp === 'true') {
                         url += `?openby:yohobuy={"action":"go.productDetail","params":{"product_skn":"${val.product_skn}"}}`; // eslint-disable-line
                     }