fix action 修改部分方法

@@ -59,7 +59,7 @@ class Action extends Controller_Abstract
      * Title
      * @return \Hood\Helper\View\Title
      */
-    public function _headTitle($title = null)
+    public function _headTitle($title)
     {
         if (empty($this->_headTitle)) {
             $this->_headTitle = new hoodView\Title();
@@ -93,9 +93,8 @@ class Action extends Controller_Abstract
      * refresh跳转
      * @param $url
      * @param string $message
-     * @param int $content
      */
-    protected function helpRefresh($url, $message = '', $content = 0)
+    protected function helpRefresh($url, $message = '')
     {
         $html = '';
         if (!empty($message)) {
@@ -131,7 +130,7 @@ class Action extends Controller_Abstract
      * @param Integer $code
      * @param mixed $content
      */
-    protected function helpJson($data = null)
+    protected function helpJson($data)
     {
         header('Content-type: application/json');
         echo json_encode($data);