打开 WEB-INF下的urlrewrite.xml
把下面的注释取消掉，然后把 demo.51yd.org 改成你要301到的目标站域名就可以啦
<rule>
<name>Domain Name Check</name>
<condition name="host" operator="notequal">demo.51yd.org</condition>
<from>^/(.*)</from>
<to type="permanent-redirect">http://demo.51yd.org/$1</to>
</rule>