fixed: 商品详情页优化

@@ -437,7 +437,7 @@
 
                         // 是否支持7天无理由退换货
                         $.get(`/product/refundExchange/${data.product_skn}`).then(sd => {
-                            let support = data && sd.data[data.product_skn] === 'N' ? 'Y' : 'N';
+                            let support = sd.data[data.product_skn] === 'N' ? 'Y' : 'N';
 
                             this.$set(this.intro, 'supportRefundExchange', support);
                         });