我的然之协同版本是4.5，在windows下使用正常。但迁移到linux下出现问题，linux环境是nginx+php-fpm,配置完成后访问页面后为空白，后台nginx报错如下：

2017/11/12 15:43:05 [error] 2011#0: *256 FastCGI sent in stderr: "PHP message: PHP Fatal error:  Uncaught Error: Call to a member function quote() on null in /opt/nginx/zdoo/lib/base/dao/dao.class.php:2030
Stack trace:
#0 /opt/nginx/zdoo/lib/base/dao/dao.class.php(1751): baseSQL->quote('sys')
#1 /opt/nginx/zdoo/lib/base/dao/dao.class.php(958): baseSQL->eq('sys', NULL, NULL)
#2 /opt/nginx/zdoo/app/sys/common/model.php(727): baseDAO->__call('eq', Array)
#3 /opt/nginx/zdoo/app/sys/common/model.php(25): commonModel->setEntry()
#4 /opt/nginx/zdoo/framework/base/router.class.php(1168): commonModel->__construct()
#5 /opt/nginx/zdoo/framework/loader.php(33): baseRouter->loadCommon()
#6 /opt/nginx/zdoo/www/sys/index.php(13): include('/opt/nginx/ranz...')
#7 {main}
  thrown in /opt/nginx/zdoo/lib/base/dao/dao.class.php on line 2030" while reading response header from upstream, client: 192.168.1.113, server: , request: "GET /sys/index.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "192.168.1.5:83"
请麻烦指导下，谢谢。