Typecho无法登陆后台，提示502 Bad Gateway-马春杰杰

今天Typecho突然无法登陆后台了，其他一切正常，包括评论、浏览。登陆后台会提示：

502 Bad Gateway

打开log，可以看到一些报错：

 thrown in /www/wwwroot/www.xxxxxx.cn/var/Widget/Abstract/Contents.php on line 773" while reading response header from upstream, client: 222.135.25.175, server: www.xxxxxx.cn, request: "GET /htdocs.rar HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi-74.sock:", host: "www.xxxxxx.cn"
2024/01/25 20:13:55 [error] 4906#0: *53228 FastCGI sent in stderr: "PHP message: PHP Fatal error:  Uncaught Error: Call to a member function format() on null in /www/wwwroot/www.xxxxxx.cn/var/Widget/Abstract/Contents.php:773
Stack trace:
#0 /www/wwwroot/www.xxxxxx.cn/usr/themes/initial/header.php(17): Widget_Abstract_Contents->date()
#1 /www/wwwroot/www.xxxxxx.cn/var/Widget/Archive.php(1937): require('/www/wwwroot/ww...')
#2 /www/wwwroot/www.xxxxxx.cn/usr/themes/initial/404.php(2): Widget_Archive->need()
#3 /www/wwwroot/www.xxxxxx.cn/var/Widget/Archive.php(2022): require_once('/www/wwwroot/ww...')
#4 /www/wwwroot/www.xxxxxx.cn/var/Widget/ExceptionHandle.php(27): Widget_Archive->render()
#5 /www/wwwroot/www.xxxxxx.cn/var/Typecho/Common.php(240): Widget_ExceptionHandle->__construct()
#6 [internal function]: Typecho_Common::exceptionHandle()
#7 {main}

thrown in /www/wwwroot/www.xxxxxx.cn/var/Widget/Abstract/Contents.php on line 773" while reading response header from upstream, client: 222.135.25.175, server: www.xxxxxx.cn, request: "GET /htdocs.rar HTTP/1.1", upstream: "fastcgi://unix:/tmp/php-cgi-74.sock:", host: "www.xxxxxx.cn"

2024/01/25 20:13:55 [error] 4906#0: *53228 FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught Error: Call to a member function format() on null in /www/wwwroot/www.xxxxxx.cn/var/Widget/Abstract/Contents.php:773

Stack trace:

#0 /www/wwwroot/www.xxxxxx.cn/usr/themes/initial/header.php(17): Widget_Abstract_Contents->date()

#1 /www/wwwroot/www.xxxxxx.cn/var/Widget/Archive.php(1937): require('/www/wwwroot/ww...')

#2 /www/wwwroot/www.xxxxxx.cn/usr/themes/initial/404.php(2): Widget_Archive->need()

#3 /www/wwwroot/www.xxxxxx.cn/var/Widget/Archive.php(2022): require_once('/www/wwwroot/ww...')

#4 /www/wwwroot/www.xxxxxx.cn/var/Widget/ExceptionHandle.php(27): Widget_Archive->render()

#5 /www/wwwroot/www.xxxxxx.cn/var/Typecho/Common.php(240): Widget_ExceptionHandle->__construct()

#6 [internal function]: Typecho_Common::exceptionHandle()

#7 {main}

这主要是插件的问题，某个插件出问题了，当然，不同人可能出问题的插件不同，最好的方法是关闭所有的插件，然后重新启用就好了。

此时无法登陆后台，需要打开数据库进行操作：

打开typecho_options这个表，找到plugins这个字段，正常里面是有一堆的插件信息，我们把它改成：