helpSearch brandName键名做判断

@@ -247,7 +247,7 @@ class HelperSearch
     /**
      * 组织搜索列表页面的左侧分类
      * @param array $sort
-     * @param array $params
+     * @param array $option
      * @return array
      */
     public static function groupSort($sort, $option = array()) {
@@ -291,7 +291,7 @@ class HelperSearch
         );
         foreach ($sort as $val) {
             if (isset($params['msort']) && $params['msort'] == $val['sort_id']) {
-                $option['brandName'] ? self::$listnav[2]:self::$listnav[1] = array(
+                isset($option['brandName']) && $option['brandName'] ? self::$listnav[2]:self::$listnav[1] = array(
                     'sort_id' => $val['sort_id'],
                     'name' => $val['sort_name'],
                     'href' => self::buildurl(array(
@@ -325,7 +325,7 @@ class HelperSearch
                 );
                 foreach ($val['sub'] as $mval) {
                     if (isset($params['misort']) && $params['misort'] == $mval['sort_id']) {
-                        $option['brandName'] ? self::$listnav[3]:self::$listnav[2] = array(
+                        isset($option['brandName']) && $option['brandName'] ? self::$listnav[3]:self::$listnav[2] = array(
                             'sort_id' => $mval['sort_id'],
                             'name' => $mval['sort_name'],
                             'href' => ''
@@ -353,6 +353,7 @@ class HelperSearch
     /**
      * 品牌,可以多选
      * @param array $brand
+     * @param array $filter
      * @param array $options
      * @return array
      */
@@ -481,7 +482,7 @@ class HelperSearch
 
     /**
      * 尺码的链接,不能多选
-     * @param array $size
+     * @param array $filter
      * @return array
      */
     public static function size($filter) {