Merge branch 'hotfix/single' of git.yoho.cn:fe/yohobuywap-node into hotfix/single

@@ -57,7 +57,7 @@ const shopNav = (channelId) => {
         code: 200
     }).then((result) => {
         if (result.data) {
-            if (result.data.length === 1 && result.data[0] === 'NULL') {
+            if (result.data.length === 0 || (result.data.length === 1 && result.data[0] === 'NULL')) {
                 return false;
             } else {
                 return result.data;

@@ -192,7 +192,8 @@ function shopNavData() {
             if (data === false) {
                 shopListData('null');
                 $('.shop-nav').hide();
-                return;
+
+                // return;
             }
 
             $('.shop-nav').html(navString);