DiscuzX3.2 阿里云404错误页设置方法！

第一步，讲你的404错误页面，放到网站的跟目录。
第二部设置服务器404设置双击进入如图


第三部设置404错误如图


第四部


设置好之后点确定，


最后
设置网站跟目录中的 web.config 文件，这是阿里云服务器的规则，也可以直接复制，也可以拿出这一部分复制，都可以。我用红色突出来了，自己看吧， www.weishanghaohuoyuan.com 可以测试我自己的成功案例
以下是404 web.config 文件代码，替换即可
<httpErrors errorMode="DetailedLocalOnly" defaultResponseMode="File" >
<remove statusCode="404" />
<error statusCode="404" path="404.htm" />
</httpErrors>以下是阿里云 web.config文件的规则404错误页面也包含在里面
<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <system.webServer>
        <rewrite>
            <rules>
                <rule name="portal_topic">
                    <match url="^(.*/)*topic-(.+).html\?*(.*)$" />
                    <action type="Rewrite" url="{R:1}/portal.php\?mod=topic&topic={R:2}&{R:3}" />
                </rule>
                <rule name="portal_article">
                    <match url="^(.*/)*article-([0-9]+)-([0-9]+).html\?*(.*)$" />
                    <action type="Rewrite" url="{R:1}/portal.php\?mod=view&aid={R:2}&page={R:3}&{R:4}" />
                </rule>
                <rule name="forum_forumdisplay">
                    <match url="^(.*/)*forum-(\w+)-([0-9]+).html\?*(.*)$" />
                    <action type="Rewrite" url="{R:1}/forum.php\?mod=forumdisplay&fid={R:2}&page={R:3}&{R:4}" />
                </rule>
                <rule name="forum_viewthread">
                    <match url="^(.*/)*thread-([0-9]+)-([0-9]+)-([0-9]+).html\?*(.*)$" />
                    <action type="Rewrite" url="{R:1}/forum.php\?mod=viewthread&tid={R:2}&extra=page%3D{R:4}&page={R:3}&{R:5}" />
                </rule>
                <rule name="group_group">
                    <match url="^(.*/)*group-([0-9]+)-([0-9]+).html\?*(.*)$" />
                    <action type="Rewrite" url="{R:1}/forum.php\?mod=group&fid={R:2}&page={R:3}&{R:4}" />
                </rule>
                <rule name="home_space">
                    <match url="^(.*/)*space-(username|uid)-(.+).html\?*(.*)$" />
                    <action type="Rewrite" url="{R:1}/home.php\?mod=space&{R:2}={R:3}&{R:4}" />
                </rule>
                <rule name="home_blog">
                    <match url="^(.*/)*blog-([0-9]+)-([0-9]+).html\?*(.*)$" />
                    <action type="Rewrite" url="{R:1}/home.php\?mod=space&uid={R:2}&do=blog&id={R:3}&{R:4}" />
                </rule>
                <rule name="forum_archiver">
                    <match url="^(.*/)*(fid|tid)-([0-9]+).html\?*(.*)$" />
                    <action type="Rewrite" url="{R:1}/index.php\?action={R:2}&value={R:3}&{R:4}" />
                </rule>
            </rules>
        </rewrite>
        <httpErrors errorMode="DetailedLocalOnly" defaultResponseMode="File" >
<remove statusCode="404" />
<error statusCode="404" path="404.htm" />
</httpErrors>
   </system.webServer>    
</configuration>