判断是否设置TITLE

@@ -195,7 +195,7 @@ class SearchController extends AbstractAction
             $listData = array();
         }
 
-        if($condition['title']){
+        if(isset($condition['title'])){
             $this->setTitle($condition['title']);
             $this->setNavHeader($condition['title'], true, SITE_MAIN);
         }