diff --git a/build_backend.sh b/build_backend.sh
index ecf8dbd..bebeec4 100644
--- a/build_backend.sh
+++ b/build_backend.sh
@@ -12,9 +12,23 @@ iface vmbr1 inet static
     bridge_stp off
     bridge_fd 0
 EOF
+if grep -q "iface vmbr1" /etc/network/interfaces; then
+    echo "Bridge vmbr1 is already in Proxmox VE configuration."
+else
+    # Add bridge configuration to Proxmox VE configuration
+    echo "Adding bridge vmbr1 to Proxmox VE configuration..."
+    cat <<EOF >> /etc/network/interfaces
+# Proxmox VE bridge vmbr1
+iface vmbr1 inet manual
+    bridge-ports enp0s8
+    bridge-stp off
+    bridge-fd 0
+EOF
+fi
 systemctl restart networking.service
 echo "Bridge vmbr1 created!"
 
+
 # 创建资源池
 echo "Creating resource pool mypool..."
 pvesh create /pools --poolid mypool