增加cookie时效

@@ -71,8 +71,12 @@ let functions = {
     addToCart(sku, skn, buyNum) {
         if (!yoho.isLogin()) {
             let preInfo = `${sku}_${skn}_${buyNum}`;
+            let actCkOpthn = {
+                path: '/',
+                expires: 1
+            };
 
-            window.setCookie('tmp-cart-info', preInfo, {expires: 1});
+            window.setCookie('tmp-cart-info', preInfo, actCkOpthn);
             window.location.href = '//m.yohobuy.com/signin.html?refer=' + encodeURIComponent(window.location.href);
             return false;
         }