to control develop env do not use session

@@ -302,20 +302,19 @@ class AbstractAction extends Controller_Abstract
         if (!$this->_uid) {
             $cookie = $this->getCookie('_UID');
             if (!empty($cookie)) {
-                $uid = 0;
                 $cookieList = explode('::', $cookie);
                 if (isset($cookieList[1]) && is_numeric($cookieList[1])) {
-                    $uid = $cookieList[1];
+                    if ($useSession) {
+                        $token = $this->getSession('_TOKEN');
+                        if ($token === Helpers::makeToken($cookieList[1])) {
+                            $this->_uid = $cookieList[1];
+                        }
+                    } else {
+                        $this->_uid = $cookieList[1];
+                    }
                     $this->_uname = $cookieList[0];
                     $this->_vip = $cookieList[2];
                 }
-                // 服务端比较
-                if ($useSession && $uid) {
-                    $token = $this->getSession('_TOKEN');
-                    if ($token === Helpers::makeToken($uid)) {
-                        $this->_uid = $uid;
-                    }
-                }
             }
         }
         return $this->_uid;