增加删除品牌数据

admin/control/cache.php

@@ -158,6 +158,7 @@ class cacheControl extends SystemControl
             if (in_array('salelist',$todo)) {
                 $this->del_keys('mb_salelist*');
                 $this->del_keys('mb_brand');
+                $this->del_keys('mb_brandex');
             }
         }