点开源版本后，直接显示空白面已解决 悬赏5积分

点开源版本后，直接显示空白面；

1.把config下的my.php文件中的debug设置为true；

2.chrome中打印

03:44:06 ERROR: SQLSTATE[HY000] [2002] Connection timed out in framework/base/router.class.php on line 1869, last called by framework/base/router.class.php on line 1827 through function connectByPDO.
in framework/base/router.class.php on line 1918 when visiting