diff --git a/src/linker.app/Platforms/Android/MainActivity.cs b/src/linker.app/Platforms/Android/MainActivity.cs
index 9625c815..62cb5528 100644
--- a/src/linker.app/Platforms/Android/MainActivity.cs
+++ b/src/linker.app/Platforms/Android/MainActivity.cs
@@ -92,6 +92,8 @@ namespace linker.app
     [Service(Label = "VpnServiceLinker", Name = "com.snltty.linker.app.VpnServiceLinker", Enabled = true, Permission = "android.permission.BIND_VPN_SERVICE")]
     public class VpnServiceLinker : VpnService, ILinkerTunDeviceCallback, ITuntapProxyCallback
     {
+        private static LinkerVpnDevice linkerVpnDevice = new LinkerVpnDevice();
+
         TuntapConfigTransfer tuntapConfigTransfer;
         TuntapProxy tuntapProxy;
         TuntapDecenter tuntapDecenter;
@@ -105,7 +107,8 @@ namespace linker.app
             tuntapProxy.Callback = this;
             tuntapDecenter = LinkerMessengerEntry.GetService<TuntapDecenter>();
 
-            tuntapTransfer.Initialize(new LinkerVpnDevice(this), this);
+            linkerVpnDevice.SetVpnService(this);
+            tuntapTransfer.Initialize(linkerVpnDevice, this);
         }
         public override void OnCreate()
         {
@@ -298,7 +301,13 @@ namespace linker.app
         FileInputStream vpnInput;
         FileOutputStream vpnOutput;
 
-        public LinkerVpnDevice(VpnService vpnService)
+        LinkerTunDeviceRouteItem[] routes = [];
+
+        public LinkerVpnDevice()
+        {
+        }
+
+        public void SetVpnService(VpnService vpnService)
         {
             this.vpnService = vpnService;
         }
@@ -317,6 +326,12 @@ namespace linker.app
             builder.SetMtu(1420)
                 .AddAddress(address.ToString(), prefixLength)
                 .AddDnsServer("8.8.8.8").SetBlocking(false);
+
+            foreach (var item in routes)
+            {
+                builder.AddRoute(NetworkHelper.ToNetworkIP(item.Address, item.PrefixLength).ToString(), item.PrefixLength);
+            }
+
             if (OperatingSystem.IsAndroidVersionAtLeast(29))
                 builder.SetMetered(false);
             vpnInterface = builder.SetSession(name).Establish();
@@ -350,10 +365,11 @@ namespace linker.app
             catch (Exception)
             {
             }
-            return buffer;
+            return Helper.EmptyArray;
         }
         public bool Write(ReadOnlyMemory<byte> buffer)
         {
+            if (fd == 0) return false;
             try
             {
                 buffer.CopyTo(bufferWrite);
@@ -409,6 +425,7 @@ namespace linker.app
 
         public void AddRoute(LinkerTunDeviceRouteItem[] ips)
         {
+            routes = ips.Select(c => new LinkerTunDeviceRouteItem { Address = c.Address, PrefixLength = c.PrefixLength }).ToArray();
         }
         public void RemoveRoute(LinkerTunDeviceRouteItem[] ips)
         {
diff --git a/src/linker.libs/NetworkHelper.cs b/src/linker.libs/NetworkHelper.cs
index 46cc6c96..9c0b6ca8 100644
--- a/src/linker.libs/NetworkHelper.cs
+++ b/src/linker.libs/NetworkHelper.cs
@@ -296,7 +296,11 @@ namespace linker.libs
 
         public static IPAddress ToNetworkIP(IPAddress ip, uint prefixIP)
         {
-            return ToNetworkIP(BinaryPrimitives.ReadUInt32BigEndian(ip.GetAddressBytes()), prefixIP);
+            return ToNetworkIP(ToValue(ip), prefixIP);
+        }
+        public static IPAddress ToNetworkIP(IPAddress ip, byte prefixLength)
+        {
+            return ToNetworkIP(ToValue(ip), ToPrefixValue(prefixLength));
         }
         public static IPAddress ToNetworkIP(uint ip, uint prefixIP)
         {
diff --git a/src/linker.web/src/views/full/devices/DeviceName.vue b/src/linker.web/src/views/full/devices/DeviceName.vue
index f2536d32..af67d7ec 100644
--- a/src/linker.web/src/views/full/devices/DeviceName.vue
+++ b/src/linker.web/src/views/full/devices/DeviceName.vue
@@ -1,15 +1,16 @@
 <template>
     <div>
-        <template v-if="tuntap.list[item.MachineId] && tuntap.list[item.MachineId].system">
-            <span :title="tuntap.list[item.MachineId].SystemInfo">
-                <img class="system":src="`./${tuntap.list[item.MachineId].system}.svg`" />
-                <img v-if="tuntap.list[item.MachineId].systemDocker" class="system" :src="`./docker.svg`" />
-            </span>
-        </template>
         <a href="javascript:;" @click="handleEdit" title="此客户端的设备名" class="a-line">
             <strong class="gateway" :class="{green:item.Connected}">{{item.MachineName || 'null' }}</strong>
         </a>
         <strong class="self gateway" v-if="item.isSelf">(<el-icon size="16"><StarFilled /></el-icon>) </strong>
+        <template v-if="tuntap.list[item.MachineId] && tuntap.list[item.MachineId].systems">
+            <template v-for="system in tuntap.list[item.MachineId].systems">
+                <span :title="tuntap.list[item.MachineId].SystemInfo">
+                    <img class="system":src="`./${system}.svg`" />
+                </span>
+            </template>
+        </template>
     </div>
 </template>
 
@@ -57,7 +58,7 @@ export default {
 img.system{
     height:1.6rem;
     vertical-align: middle;
-    margin-right:.4rem
+    margin-left:.4rem
 }
 .self{
     color:#d400ff;
diff --git a/src/linker.web/src/views/full/devices/tuntap.js b/src/linker.web/src/views/full/devices/tuntap.js
index 215e5476..0787d25f 100644
--- a/src/linker.web/src/views/full/devices/tuntap.js
+++ b/src/linker.web/src/views/full/devices/tuntap.js
@@ -15,15 +15,7 @@ export const provideTuntap = () => {
     });
     provide(tuntapSymbol, tuntap);
 
-    const systems = {
-        linux: ['debian', 'ubuntu', 'alpine', 'rocky', 'centos', 'fedora', 'archlinux'],
-        armbian: ['armbian'],
-        openwrt: ['openwrt'],
-        ubuntu: ['ubuntu'],
-        windows: ['windows'],
-        android: ['android'],
-        ios: ['ios'],
-    }
+    const reg = /ios|android|windows|ubuntu|openwrt|armbian|archlinux|fedora|centos|rocky|alpine|debian|linux|docker/g;
 
     const _getTuntapInfo = () => {
         clearTimeout(tuntap.value.timer);
@@ -31,29 +23,13 @@ export const provideTuntap = () => {
             tuntap.value.hashcode = res.HashCode;
             if (res.List) {
                 for (let j in res.List) {
-                    let system = 'system';
                     const systemStr = res.List[j].SystemInfo.toLowerCase();
-                    for (let jj in systems) {
-                        if (systemStr.indexOf(jj) >= 0) {
-                            const items = systems[jj];
-                            if (items.length == 1) {
-                                system = items[0];
-                            } else {
-                                for (let i = 0; i < items.length; i++) {
-                                    if (systemStr.indexOf(items[i]) >= 0) {
-                                        system = items[i];
-                                        break;
-                                    }
-                                }
-                            }
-                            break;
-                        }
-                    }
+
+                    const match = systemStr.match(reg);
                     Object.assign(res.List[j], {
                         running: res.List[j].Status == 2,
                         loading: res.List[j].Status == 1,
-                        system: system,
-                        systemDocker: systemStr.indexOf('docker') >= 0,
+                        systems: match
                     });
                 }
                 tuntap.value.list = res.List;
diff --git a/version.txt b/version.txt
index 66563685..43b2d231 100644
--- a/version.txt
+++ b/version.txt
@@ -1,5 +1,5 @@
 v1.7.4
-2025-04-23 23:28:20
+2025-04-24 00:55:37
 1. 一些优化
 2. 内置应用层SNAT，用于无法使用系统NetNat的windows系统
 3. 如果你设备很多，请尝试升级其中一个成功重启后再升级其它
\ No newline at end of file