diff --git a/Software/Applications/IPRoute2/IPRoute2_说明.md b/Software/Applications/IPRoute2/IPRoute2_说明.md
index d7c0904..c4712f9 100644
--- a/Software/Applications/IPRoute2/IPRoute2_说明.md
+++ b/Software/Applications/IPRoute2/IPRoute2_说明.md
@@ -51,23 +51,23 @@ ip route show table local
 # 添加路由
 ip route add default via <gateway>
 ip route add default dev <netif>
-ip route add <ip addr>[/<netmask>] via <gateway>
-ip route add <ip addr>[/<netmask>] dev <netif>
+ip route add <ip addr>[/<netmask>] via <gateway> [metric <metric>]
+ip route add <ip addr>[/<netmask>] [metric <metric>] dev <netif>
 # 修改路由 如果带 netmask 则自动添加网关的路由
 ip route change default via <gateway>
 ip route change default dev <netif>
-ip route change <ip addr>[/<netmask>] via <gateway>
-ip route change <ip addr>[/<netmask>] dev <netif>
+ip route change <ip addr>[/<netmask>] via <gateway> [metric <metric>]
+ip route change <ip addr>[/<netmask>] [metric <metric>] dev <netif>
 # 替换默认路由(存在则修改，不存在则新建)
 ip route replace default via <gateway>
 ip route replace default dev <netif>
-ip route replace <ip addr>[/<netmask>] via <gateway>
-ip route replace <ip addr>[/<netmask>] dev <netif>
+ip route replace <ip addr>[/<netmask>] via <gateway> [metric <metric>]
+ip route replace <ip addr>[/<netmask>] [metric <metric>] dev <netif>
 # 删除路由
 ip route del default via <gateway>
 ip route del default dev <netif>
-ip route del <ip addr>[/<netmask>] via <gateway>
-ip route del <ip addr>[/<netmask>] dev <netif>
+ip route del <ip addr>[/<netmask>] via <gateway> [metric <metric>]
+ip route del <ip addr>[/<netmask>] [metric <metric>] dev <netif>
 # 保存路由表到标准输出
 ip route save
 # 从标准输入恢复路由表