centos update之后，登录不进系统已解决悬赏5积分

打开debug之后 查看session没权限

<?php
 die();
?>

14:18:17 session_start(): open(/var/lib/php/session/sess_h48g3vippgu6cs8bthihotkis2, O_RDWR) failed: Permission denied (13) in framework/base/router.class.php on line 817 when visiting

14:18:17 Unknown: open(/var/lib/php/session/sess_h48g3vippgu6cs8bthihotkis2, O_RDWR) failed: Permission denied (13) in Unknown on line 0 when visiting

14:18:17 Unknown: Failed to write session data (files). Please verify that the current setting of session.save_path is correct (/var/lib/php/session) in Unknown on line 0 when visiting