modify fixes bug to first iteration

@@ -18,7 +18,7 @@ class ListController extends AbstractAction
     public function indexAction()
     {
         $this->setTitle('逛');
-        $this->setNavHeader('逛', true, SITE_DOMAIN);
+        $this->setNavHeader('逛', true, SITE_MAIN);
         
         $category = ListData::category(); 
         $articleGroup = array();
@@ -108,7 +108,7 @@ class ListController extends AbstractAction
         } 
         
         $this->setTitle($tag);
-        $this->setNavHeader($tag, true, SITE_DOMAIN);
+        $this->setNavHeader($tag, true, SITE_MAIN);
                 
         $data = array();
         // 模板中使用JS的标识
@@ -142,7 +142,7 @@ class ListController extends AbstractAction
         }
         
         $this->setTitle('编辑简介');
-        $this->setNavHeader('编辑简介', true, SITE_DOMAIN);
+        $this->setNavHeader('编辑简介', true, SITE_MAIN);
         
         $uid = $this->getUid();
         $udid = $this->getUdid();