Modify ip information

Modify ip information
diff --git a/docs/zh_CN/ch6/k8s.MD b/docs/zh_CN/ch6/k8s.MD
index 319f37d..c4a6a83 100644
--- a/docs/zh_CN/ch6/k8s.MD
+++ b/docs/zh_CN/ch6/k8s.MD
@@ -99,8 +99,8 @@
      静态路由+iptables/netfilter地址伪装
      executor到pod,svc 网络通
      executor添加静态路由表
-     route add -net   10.83.0.0  netmask  255.255.0.0  gw  10.20.20.204
-     route add -net   172.27.0.0 netmask  255.255.0.0  gw  10.20.20.204
+     route add -net   127.0.0.1  netmask  255.255.0.0  gw  127.0.0.1
+     route add -net   127.0.0.1 netmask  255.255.0.0  gw  127.0.0.1
      k8s node节点上做ip  masque
-     iptables -t nat -A POSTROUTING -s  10.20.20.0 /24 -d  10.83.0.0/16 -j MASQUERADE
-     iptables -t nat -A POSTROUTING -s  10.20.20.0 /24 -d  172.27.0.0 /12 -j  MASQUERADE
+     iptables -t nat -A POSTROUTING -s  127.0.0.1/24 -d  127.0.0.1/16 -j MASQUERADE
+     iptables -t nat -A POSTROUTING -s  127.0.0.1/24 -d  127.0.0.1/12 -j  MASQUERADE