关于apache做301的问题

http://www.internetmarketingninjas.com/blog/search-engine-optimization/301-redirects/

RedirectMatch 301 /cy_zhongxikuaican/ http://cy.baidu.com/kuaican/这是正确的
RedirectMatch 301 xxxxm.baidu.com/fz_neiyi/ http://xx.baidu.com/neiyi/这样不行