安装时提示错误，错误信息如下：已解决悬赏5积分

19:57:53 Uncaught Exception: Could not gather sufficient random data in framework/base/router.class.php:825
Stack trace:
#0 framework/base/router.class.php(825): session_start()
#1 framework/base/router.class.php(374): baseRouter->startSession()
#2 framework/base/router.class.php(401): baseRouter->__construct('pms', '/kumquat/ZenTao...')
#3 www/index.php(30): baseRouter::createApp('pms', '/kumquat/ZenTao...', 'router')
#4 {main}

Next Exception: Could not gather sufficient random data in framework/base/router.class.php:825
Stack trace:
#0 framework/base/router.class.php(825): session_start()
#1 framework/base/router.class.php(374): baseRouter->startSession()
#2 framework/base/router.class.php(401): baseRouter->__construct('pms', '/kumquat/ZenTao...')
#3 /kumquat in framework/base/router.class.php on line 825 when visiting