do modify detail page show tags and home page support test uid

@@ -27,7 +27,12 @@ class HomeController extends AbstractAction
     public function init()
     {
         // 检查用户是否登录, 未登录则跳转到登录页
-        $uid = 8826435; //$this->getUid(true);
+        // @todo 为了方便测试，支持传uid参数
+        $uid = $this->getUid();
+        if (!$uid) {
+            $uid = $this->_uid = $this->get('uid', 8826435); //$this->getUid(true);
+        }
+        
         $action = $this->getRequest()->getActionName();
         if (!$uid && $action !== 'index') {
             $this->go(Helpers::url('/signin.html'));