http://aa.bb.com/cc/dd/ee/service-center/index.htm?code=xxx
跳转地址
https://cc.dd.com/ff/fff/service-center/detail.CN.xxx/
其中xxx是变量
rewrite ^/cc/dd/ee/service-center/index.htm?code=(.*) https://cc.dd.com/ff/fff/service-center/detail.CN.x$1/ permanent; 为什么不成功
该怎么写