请问怎么将达梦tcp6监听端口改为tcp4

[root@CSMSS043 ~]# netstat -tuln |grep tcp
tcp6 0 0 :::7536 ::😗 LISTEN
tcp6 0 0 :::5236 ::😗 LISTEN
tcp6 0 0 :::7336 ::😗 LISTEN
tcp6 0 0 :::7436 ::😗 LISTEN
tcp6 0 0 :::4236 ::😗 LISTEN
[root@CSMSS043 ~]#