fix URLSearchParams

 import {get} from 'lodash';
 import Vue from 'vue';
+import queryString from 'querystring';
+
+function getJumpUrl(qs = {}) {
+  return `//m.yohobuy.com/?${queryString.stringify(qs)}`;
+}
 
 export default function() {
   return {
@@ -39,17 +44,13 @@ export default function() {
                         if(item.linkType === 'h5'){
                             item.isShow = true;
                             item.url = item.link;
-                        }else {
-                          let hostUrl ='http://m.yohobuy.com/';
-                          let params = new URLSearchParams();
-
-                          params.append('pagename', 'productList');
-                          params.append('title', item.name);
-                          params.append(`${item.linkType}`, item.link);
-
+                        } else {
                           item.isShow = false;
-                          let url = `${hostUrl}?${params}`
-                          item.url = url
+                          item.url = getJumpUrl({
+                            pagename: 'productList',
+                            title: item.name,
+                            [item.linkType]: item.link
+                          });
                         }
 
                     })
@@ -58,16 +59,6 @@ export default function() {
             state.categorySubList = data.category;
         }
       },
-      getUrl(item){
-        let hostUrl ='http://m.yohobuy.com/';
-        let params = new URLSearchParams();
-
-        params.append('pagename', 'productList');
-        params.append('title', item.name);
-        params.append(`${item.linkType}`, item.link);
-
-        return `${hostUrl}?${params}`
-      },
       addBrandList(state, {data}){
           if(data && data.brand_list){
             let sub = [];
@@ -75,15 +66,8 @@ export default function() {
 
             data.brand_list.forEach((val, index) => {
                 val.isSelect = false;
-                let hostUrl ='http://m.yohobuy.com/';
-                let params = new URLSearchParams();
-
-                params.append('pagename', 'productList');
-                params.append('title', val.brand_name);
-                params.append('brand', val.id);
 
                 let isShowBottomBordor = (size - index) > 3;
-                let url = `${hostUrl}?${params}`
                 let right = index % 3 !== 2 ? '-right' : '';
                 let bottom = isShowBottomBordor ? '-bottom' : '';
                 let subItem = {
@@ -92,7 +76,11 @@ export default function() {
                     image: val.brand_logo,
                     linkType: 'brand',
                     link: val.id,
-                    url: url,
+                    url: getJumpUrl({
+                      pagename: 'productList',
+                      title: val.brand_name,
+                      brand: val.id,
+                    }),
                     isShow: false,
                 }