解决 WordPress“正在执行例行维护，请一分钟后回来”

WordPress在升级程序、主题、插件时，都会先切换到维护模式，也就是显示 “正在执行例行维护，请一分钟后回来（Briefly unavailable for scheduled maintenance. Check back in a minute）”，如果升级顺利，也就几秒左右就恢复正常；但是如果由于网速不佳等原因导致升级中断，WordPress就会一直停留在维护模式，不论前台还是后台，都一直显示“正在执行例行维护，请一分钟后回来“。

如何解决这个问题呢？

1.马上通过FTP登录你的网站，删除WordPress根目录下的 .maintenance ，刷新网页即可。

2.但是有时候你会发现，根目录根本就没有 .maintenance！挖鱼源码网最近就遇到这个问题，最初以为是隐藏了，所以使用SSH登录服务器，但是依旧没有看到，怎么办？其实有一个比较简单的办法，直接新建一个空的txt文本，上传到主机空间中，然后重命名为 .maintenance，然后你会发现 .maintenance 居然不见了！不用担心，重新刷新你的网站，是不是正常了？！

3.如果还是不行，或者你想让它以后可以显示 .maintenance ，那就打开 /wp-admin/includes/class-wp-filesystem-direct.php

找到下面的代码：

	<span style="color: #000000; font-weight: bold;">function</span> <span style="color: #990000;">mkdir</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #339933;">,</span> <span style="color: #000088;">$chmod</span> <span style="color: #339933;">=</span> <span style="color: #009900; font-weight: bold;">false</span><span style="color: #339933;">,</span> <span style="color: #000088;">$chown</span> <span style="color: #339933;">=</span> <span style="color: #009900; font-weight: bold;">false</span><span style="color: #339933;">,</span> <span style="color: #000088;">$chgrp</span> <span style="color: #339933;">=</span> <span style="color: #009900; font-weight: bold;">false</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span>
		<span style="color: #666666; font-style: italic;">// safe mode fails with a trailing slash under certain PHP versions.</span>
		<span style="color: #000088;">$path</span> <span style="color: #339933;">=</span> untrailingslashit<span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
		<span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span> <span style="color: #990000;">empty</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#41;</span>
			<span style="color: #b1b100;">return</span> <span style="color: #009900; font-weight: bold;">false</span><span style="color: #339933;">;</span>
&nbsp;
		<span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span> <span style="color: #339933;">!</span> <span style="color: #000088;">$chmod</span> <span style="color: #009900;">&#41;</span>
			<span style="color: #000088;">$chmod</span> <span style="color: #339933;">=</span> FS_CHMOD_DIR<span style="color: #339933;">;</span>
&nbsp;
		<span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span> <span style="color: #339933;">!</span> <span style="color: #339933;">@</span><span style="color: #990000;">mkdir</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#41;</span>
			<span style="color: #b1b100;">return</span> <span style="color: #009900; font-weight: bold;">false</span><span style="color: #339933;">;</span>
		<span style="color: #000088;">$this</span><span style="color: #339933;">-&gt;</span><span style="color: #990000;">chmod</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #339933;">,</span> <span style="color: #000088;">$chmod</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
		<span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span> <span style="color: #000088;">$chown</span> <span style="color: #009900;">&#41;</span>
			<span style="color: #000088;">$this</span><span style="color: #339933;">-&gt;</span><span style="color: #990000;">chown</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #339933;">,</span> <span style="color: #000088;">$chown</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
		<span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span> <span style="color: #000088;">$chgrp</span> <span style="color: #009900;">&#41;</span>
			<span style="color: #000088;">$this</span><span style="color: #339933;">-&gt;</span><span style="color: #990000;">chgrp</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #339933;">,</span> <span style="color: #000088;">$chgrp</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
		<span style="color: #b1b100;">return</span> <span style="color: #009900; font-weight: bold;">true</span><span style="color: #339933;">;</span>
	<span style="color: #009900;">&#125;</span>

function mkdir($path, $chmod = false, $chown = false, $chgrp = false) {

// safe mode fails with a trailing slash under certain PHP versions.

$path = untrailingslashit($path);

if ( empty($path) )

return false;

if ( ! $chmod )

$chmod = FS_CHMOD_DIR;

if ( ! @mkdir($path) )

return false;

$this->chmod($path, $chmod);

if ( $chown )

$this->chown($path, $chown);

if ( $chgrp )

$this->chgrp($path, $chgrp);

return true;

}

function mkdir($path, $chmod = false, $chown = false, $chgrp = false) {
// safe mode fails with a trailing slash under certain PHP versions.
$path = untrailingslashit($path);
if ( empty($path) )
return false; if ( ! $chmod )
$chmod = FS_CHMOD_DIR; if ( ! @mkdir($path) )
return false;
$this->chmod($path, $chmod);
if ( $chown )
$this->chown($path, $chown);
if ( $chgrp )
$this->chgrp($path, $chgrp);
return true;
}

将其改为：

<span style="color: #000000; font-weight: bold;">function</span> <span style="color: #990000;">mkdir</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #339933;">,</span> <span style="color: #000088;">$chmod</span> <span style="color: #339933;">=</span> <span style="color: #009900; font-weight: bold;">false</span><span style="color: #339933;">,</span> <span style="color: #000088;">$chown</span> <span style="color: #339933;">=</span> <span style="color: #009900; font-weight: bold;">false</span><span style="color: #339933;">,</span> <span style="color: #000088;">$chgrp</span> <span style="color: #339933;">=</span> <span style="color: #009900; font-weight: bold;">false</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#123;</span>
 <span style="color: #666666; font-style: italic;">// safe mode fails with a trailing slash under certain PHP versions.</span>
 <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span> <span style="color: #339933;">!</span> <span style="color: #000088;">$chmod</span> <span style="color: #009900;">&#41;</span>
 <span style="color: #000088;">$chmod</span> <span style="color: #339933;">=</span> <span style="color: #000088;">$this</span><span style="color: #339933;">-&gt;</span><span style="color: #004000;">permission</span><span style="color: #339933;">;</span>
&nbsp;
<span style="color: #b1b100;">if</span><span style="color: #009900;">&#40;</span><span style="color: #990000;">ini_get</span><span style="color: #009900;">&#40;</span><span style="color: #0000ff;">'safe_mode'</span><span style="color: #009900;">&#41;</span> <span style="color: #339933;">&amp;&amp;</span> <span style="color: #990000;">substr</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #339933;">,</span> <span style="color: #339933;">-</span><span style="color: #cc66cc;">1</span><span style="color: #009900;">&#41;</span> <span style="color: #339933;">==</span> <span style="color: #0000ff;">'/'</span><span style="color: #009900;">&#41;</span>
 <span style="color: #009900;">&#123;</span>
 <span style="color: #000088;">$path</span> <span style="color: #339933;">=</span> <span style="color: #990000;">substr</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #339933;">,</span> <span style="color: #cc66cc;">0</span><span style="color: #339933;">,</span> <span style="color: #339933;">-</span><span style="color: #cc66cc;">1</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
 <span style="color: #009900;">&#125;</span>
&nbsp;
<span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span> <span style="color: #339933;">!</span> <span style="color: #339933;">@</span><span style="color: #990000;">mkdir</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #009900;">&#41;</span> <span style="color: #009900;">&#41;</span>
 <span style="color: #b1b100;">return</span> <span style="color: #009900; font-weight: bold;">false</span><span style="color: #339933;">;</span>
 <span style="color: #000088;">$this</span><span style="color: #339933;">-&gt;</span><span style="color: #990000;">chmod</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #339933;">,</span> <span style="color: #000088;">$chmod</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
 <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span> <span style="color: #000088;">$chown</span> <span style="color: #009900;">&#41;</span>
 <span style="color: #000088;">$this</span><span style="color: #339933;">-&gt;</span><span style="color: #990000;">chown</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #339933;">,</span> <span style="color: #000088;">$chown</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
 <span style="color: #b1b100;">if</span> <span style="color: #009900;">&#40;</span> <span style="color: #000088;">$chgrp</span> <span style="color: #009900;">&#41;</span>
 <span style="color: #000088;">$this</span><span style="color: #339933;">-&gt;</span><span style="color: #990000;">chgrp</span><span style="color: #009900;">&#40;</span><span style="color: #000088;">$path</span><span style="color: #339933;">,</span> <span style="color: #000088;">$chgrp</span><span style="color: #009900;">&#41;</span><span style="color: #339933;">;</span>
 <span style="color: #b1b100;">return</span> <span style="color: #009900; font-weight: bold;">true</span><span style="color: #339933;">;</span>
<span style="color: #009900;">&#125;</span>

// safe mode fails with a trailing slash under certain PHP versions.

$chmod = $this->permission;

if(ini_get('safe_mode') && substr($path, -1) == '/')

{

$path = substr($path, 0, -1);

}

return false;

if ( $chown )

if ( $chgrp )

return true;

}

function mkdir($path, $chmod = false, $chown = false, $chgrp = false) {
// safe mode fails with a trailing slash under certain PHP versions.
if ( ! $chmod )
$chmod = $this->permission;
if(ini_get(‘safe_mode’) && substr($path, -1) == ‘/’)
{
$path = substr($path, 0, -1);
}
if ( ! @mkdir($path) )
return false;
$this->chmod($path, $chmod);
if ( $chown )
$this->chown($path, $chown);
if ( $chgrp )
$this->chgrp($path, $chgrp);
return true;
}

然后刷新FTP目录，是不是看到.maintenance了，删除它吧！

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