前台一切显示正常，一点击登陆，出现下列错误！

引用:

Warning: Cannot modify header information - headers already sent by (output started at /home/fijitopc/public_html/zsure.com.cn/wp-content/plugins/instantupgrade/init.php:1) in /home/fijitopc/public_html/zsure.com.cn/wp-login.php on line 260

Warning: Cannot modify header information - headers already sent by (output started at /home/fijitopc/public_html/zsure.com.cn/wp-content/plugins/instantupgrade/init.php:1) in /home/fijitopc/public_html/zsure.com.cn/wp-login.php on line 272

好像我的也有这毛病。

instantupgrade暂时有BUG，不要启用

如果你已经启用了，就直接将wp-content/plugins/instantupgrade删除即可

多谢楼上的已经解决了！