急：刚安好Wordpress登录时提示Cookies因预料之外的输出被阻止，请大神指导

提示是：

Warning: Cannot modify header information - headers already sent by (output started at /data/home/hyu1605670001/htdocs/wp-config.php:1) in /data/home/hyu1605670001/htdocs/wordpress/wp-login.php on line 425

Warning: Cannot modify header information - headers already sent by (output started at /data/home/hyu1605670001/htdocs/wp-config.php:1) in /data/home/hyu1605670001/htdocs/wordpress/wp-login.php on line 438

Warning: Cannot modify header information - headers already sent by (output started at /data/home/hyu1605670001/htdocs/wp-config.php:1) in /data/home/hyu1605670001/htdocs/wordpress/wp-includes/pluggable.php on line 925

Warning: Cannot modify header information - headers already sent by (output started at /data/home/hyu1605670001/htdocs/wp-config.php:1) in /data/home/hyu1605670001/htdocs/wordpress/wp-includes/pluggable.php on line 926

Warning: Cannot modify header information - headers already sent by (output started at /data/home/hyu1605670001/htdocs/wp-config.php:1) in /data/home/hyu1605670001/htdocs/wordpress/wp-includes/pluggable.php on line 927
白股精

本人初学，不知道该如何修改，请大神指导。

回复内容：

提示是：

Warning: Cannot modify header information - headers already sent by (output started at /data/home/hyu1605670001/htdocs/wp-config.php:1) in /data/home/hyu1605670001/htdocs/wordpress/wp-login.php on line 425

Warning: Cannot modify header information - headers already sent by (output started at /data/home/hyu1605670001/htdocs/wp-config.php:1) in /data/home/hyu1605670001/htdocs/wordpress/wp-login.php on line 438

Warning: Cannot modify header information - headers already sent by (output started at /data/home/hyu1605670001/htdocs/wp-config.php:1) in /data/home/hyu1605670001/htdocs/wordpress/wp-includes/pluggable.php on line 925

Warning: Cannot modify header information - headers already sent by (output started at /data/home/hyu1605670001/htdocs/wp-config.php:1) in /data/home/hyu1605670001/htdocs/wordpress/wp-includes/pluggable.php on line 926

Warning: Cannot modify header information - headers already sent by (output started at /data/home/hyu1605670001/htdocs/wp-config.php:1) in /data/home/hyu1605670001/htdocs/wordpress/wp-includes/pluggable.php on line 927
白股精

本人初学，不知道该如何修改，请大神指导。

登录主机管理控制台，选择高级环境设置中的php.ini将其中的输出缓冲区数据块设置开启。然后再尝试访问。

多半是你改代码该出问题了，可以参考我的文章《关于WordPress博客无法登录后台提示Cookies因预料之外的输出被阻止》，我也是这样的问题