diff --git a/pages/goods/goodsList/goodsList.js b/pages/goods/goodsList/goodsList.js
index b928e62..e629d66 100644
--- a/pages/goods/goodsList/goodsList.js
+++ b/pages/goods/goodsList/goodsList.js
@@ -31,7 +31,7 @@ Page({
       
       if (0 != t.cat_id && t.cat_id != undefined) { 
            url += "&cat_id=" + t.cat_id; 
-           if (t.pid == undefined && t.pid == null){
+           if (t.pid == undefined || t.pid == null){
               url +=  "&parent_id=0"; 
            }else{
                url +=  "&parent_id="+t.pid;