网站系统日志，不知道如何操作。。。求助！

[Tue Oct 07 21:06:12 2014] [error] [client 121.199.15.54] PHP Warning:  curl_setopt() expects parameter 1 to be resource, null given in /www/web//public_html/wp-content/plugins/baidusubmit/inc/sitemap.php on line 521
[Wed Oct 08 02:11:35 2014] [error] [client 121.199.15.54] PHP Warning:  Missing argument 1 for __lambda_func() in /www/web//public_html/wp-content/plugins/super-switch/for30.php(59) : runtime-created function on line 1


网站系统日志，不知道如何操作。。。求助！