diff --git a/vnt-jni/java/top/wherewego/vnt/jni/param/DeviceConfig.java b/vnt-jni/java/top/wherewego/vnt/jni/param/DeviceConfig.java
index f3b38af..91aa843 100644
--- a/vnt-jni/java/top/wherewego/vnt/jni/param/DeviceConfig.java
+++ b/vnt-jni/java/top/wherewego/vnt/jni/param/DeviceConfig.java
@@ -2,6 +2,8 @@ package top.wherewego.vnt.jni.param;
 
 import top.wherewego.vnt.jni.IpUtils;
 
+import java.util.Arrays;
+
 /**
  * 创建网卡所需信息，仅在android上使用
  *
@@ -24,12 +26,17 @@ public class DeviceConfig {
      * 虚拟网段
      */
     public final int virtualNetwork;
+    /**
+     * 额外路由，来自点对网的路由配置
+     */
+    public final String[] externalRoute;
 
-    public DeviceConfig(int virtualIp, int virtualNetmask, int virtualGateway, int virtualNetwork) {
+    public DeviceConfig(int virtualIp, int virtualNetmask, int virtualGateway, int virtualNetwork, String[] externalRoute) {
         this.virtualIp = virtualIp;
         this.virtualNetmask = virtualNetmask;
         this.virtualGateway = virtualGateway;
         this.virtualNetwork = virtualNetwork;
+        this.externalRoute = externalRoute;
     }
 
     public int getVirtualIp() {
@@ -48,6 +55,10 @@ public class DeviceConfig {
         return virtualNetwork;
     }
 
+    public String[] getExternalRoute() {
+        return externalRoute;
+    }
+
     @Override
     public String toString() {
         return "DeviceConfig{" +
@@ -55,6 +66,7 @@ public class DeviceConfig {
                 ", virtualNetmask=" + IpUtils.intToIpAddress(virtualNetmask) +
                 ", virtualGateway=" + IpUtils.intToIpAddress(virtualGateway) +
                 ", virtualNetwork=" + IpUtils.intToIpAddress(virtualNetwork) +
+                ", externalRoute=" + Arrays.toString(externalRoute) +
                 '}';
     }
 }