centos+nginx+php 安装 edusoho 出现 FastCGI sent in stderr: "PHP message: PHP Fatal error 错误；请懂的稍微指点一二.......

具体 error 如下，安装源码不存在问题（其他人测试可以安装）， curl 也检查，已经打开。

error ：
2015/08/28 01:06:07 [error] 1333#0: *22 FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught exception 'Topxia\Service\Common\ServiceException' with message 'truename error!' in /a/domains/xxxxxxxx/public_html/edusoho/src/Topxia/Service/Common/BaseService.php:72
Stack trace:
#0 /a/domains/xxxxxxxxn/public_html/edusoho/src/Topxia/Service/User/Impl/UserServiceImpl.php (437 ): Topxia\Service\Common\BaseService->createServiceException ('truename error!')
#1 /a/domains/xxxxxxxx/public_html/edusoho/web/install/start-install.php (351 ): Topxia\Service\User\Impl\UserServiceImpl->register (Array )
#2 /a/domains/xxxxxxxx/public_html/edusoho/web/install/start-install.php (166 ): SystemInit->initAdmin (Array )
#3 /a/domains/xxxxxxxx/public_html/edusoho/web/install/start-install.php (20 ): install_step3 ()
#4 {main}
thrown in /a/domains/xxxxxxxx/public_html/edusoho/src/Topxia/Service/Common/BaseService.php on line 72" while reading response header from upstream, client: 220.249.101.97, server: xxxxxxx, request: "POST /install/start-install.php?step=3 HTTP/1.1", upstream: "fastcgi://unix:/dev/shm/php.sock:", host: "edu.scholarnet.cn", referrer: "http://xxxxxxxxx/install/start-install.php?step=3"