diff --git a/network.sh b/network.sh
index ab38b5f..0a119da 100644
--- a/network.sh
+++ b/network.sh
@@ -4,9 +4,20 @@
 # 设置虚拟网桥名称
 BRIDGE_NAME="vmbr0"
 
-# 获取本地IPv4地址 子网掩码 网关地址
+# 获取本地IPv4地址和子网掩码
 IP_ADDR=$(ip route get 8.8.8.8 | head -1 | awk '{print $7}')
-SUBNET_MASK="255.255.255.0"
+SUBNET_MASK=$(ip route get 8.8.8.8 | head -1 | awk '{print $1}' | awk -F"/" '{print $2}')
+
+# 计算网络地址
+IFS='.' read -ra IP_ARR <<< "$IP_ADDR"
+IFS='.' read -ra MASK_ARR <<< "$SUBNET_MASK"
+NET_ADDR=""
+for ((i=0; i<4; i++)); do
+  NET_ADDR="${NET_ADDR}$((${IP_ARR[$i]} & ${MASK_ARR[$i]}))."
+done
+NET_ADDR=${NET_ADDR::-1}
+
+# 获取网关地址
 GATEWAY=$(ip route | awk '/default/ {print $3}')
 
 # 创建虚拟网桥
@@ -17,7 +28,7 @@ iface $BRIDGE_NAME inet static
     address $IP_ADDR
     netmask $SUBNET_MASK
     gateway $GATEWAY
-    bridge_ports none
+    bridge_ports ens18
     bridge_vlan_aware 1
     vlan_ids 100
 EOF