diff --git a/.idea/.name b/.idea/.name
new file mode 100644
index 0000000..9b34f35
--- /dev/null
+++ b/.idea/.name
@@ -0,0 +1 @@
+punchnet
\ No newline at end of file
diff --git a/.idea/AndroidProjectSystem.xml b/.idea/AndroidProjectSystem.xml
new file mode 100644
index 0000000..4a53bee
--- /dev/null
+++ b/.idea/AndroidProjectSystem.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="AndroidProjectSystem">
+    <option name="providerId" value="com.android.tools.idea.GradleProjectSystem" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
index cde3e19..7061a0d 100644
--- a/.idea/inspectionProfiles/Project_Default.xml
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -49,6 +49,10 @@
       <option name="composableFile" value="true" />
       <option name="previewFile" value="true" />
     </inspection_tool>
+    <inspection_tool class="PreviewParameterProviderOnFirstParameter" enabled="true" level="ERROR" enabled_by_default="true">
+      <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
+    </inspection_tool>
     <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
       <option name="previewFile" value="true" />
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 74dd639..b2c751a 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,3 @@
-<?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="jbr-21" project-jdk-type="JavaSDK">
diff --git a/app/release/app-release.apk b/app/release/app-release.apk
new file mode 100644
index 0000000..884c4a2
Binary files /dev/null and b/app/release/app-release.apk differ
diff --git a/app/release/baselineProfiles/0/app-release.dm b/app/release/baselineProfiles/0/app-release.dm
new file mode 100644
index 0000000..58c9dc1
Binary files /dev/null and b/app/release/baselineProfiles/0/app-release.dm differ
diff --git a/app/release/baselineProfiles/1/app-release.dm b/app/release/baselineProfiles/1/app-release.dm
new file mode 100644
index 0000000..f26fd47
Binary files /dev/null and b/app/release/baselineProfiles/1/app-release.dm differ
diff --git a/app/release/output-metadata.json b/app/release/output-metadata.json
new file mode 100644
index 0000000..da7b5ab
--- /dev/null
+++ b/app/release/output-metadata.json
@@ -0,0 +1,37 @@
+{
+  "version": 3,
+  "artifactType": {
+    "type": "APK",
+    "kind": "Directory"
+  },
+  "applicationId": "com.jihe.punchnet",
+  "variantName": "release",
+  "elements": [
+    {
+      "type": "SINGLE",
+      "filters": [],
+      "attributes": [],
+      "versionCode": 1,
+      "versionName": "1.0",
+      "outputFile": "app-release.apk"
+    }
+  ],
+  "elementType": "File",
+  "baselineProfiles": [
+    {
+      "minApi": 28,
+      "maxApi": 30,
+      "baselineProfiles": [
+        "baselineProfiles/1/app-release.dm"
+      ]
+    },
+    {
+      "minApi": 31,
+      "maxApi": 2147483647,
+      "baselineProfiles": [
+        "baselineProfiles/0/app-release.dm"
+      ]
+    }
+  ],
+  "minSdkVersionForDexing": 26
+}
\ No newline at end of file
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 352ce8d..6e2b630 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -11,7 +11,7 @@
         android:allowBackup="true"
         android:dataExtractionRules="@xml/data_extraction_rules"
         android:fullBackupContent="@xml/backup_rules"
-        android:icon="@mipmap/ic_launcher"
+        android:icon="@drawable/punchnet_log"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
diff --git a/app/src/main/java/com/jihe/punchnet/PunchnetService.kt b/app/src/main/java/com/jihe/punchnet/PunchnetService.kt
index 3fc6285..109f582 100644
--- a/app/src/main/java/com/jihe/punchnet/PunchnetService.kt
+++ b/app/src/main/java/com/jihe/punchnet/PunchnetService.kt
@@ -12,6 +12,9 @@ import android.os.ParcelFileDescriptor
 import android.util.Log
 import android.widget.Toast
 import androidx.core.app.NotificationCompat
+import androidx.lifecycle.ViewModelProvider
+import com.jihe.punchnet.data.RouteItem
+import com.jihe.punchnet.data.RouteViewModel
 import com.jihe.punchnet.sdlan.config.Arguments
 import com.jihe.punchnet.sdlan.config.toIPV4String
 import com.jihe.punchnet.sdlan.logs.TerminalLogger
@@ -23,7 +26,9 @@ import com.jihe.punchnet.sdlan.network.RouteDetail
 import com.jihe.punchnet.sdlan.network.RouteTable
 import com.jihe.punchnet.sdlan.network.cidrToRouteDetail
 import com.jihe.punchnet.sdlan.network.ipInt2ByteArray
+import com.jihe.punchnet.sdlan.network.maskIPToDigit
 import com.jihe.punchnet.sdlan.network.run_sdlan
+import com.jihe.punchnet.sdlan.utils.ipToString
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.cancel
@@ -34,10 +39,13 @@ import java.io.FileOutputStream
 
 class PunchnetService : VpnService() , IfaceTun {
     private val TAG = "PunchnetService"
-    private val scope = CoroutineScope(Dispatchers.Default)
+    private val scope = CoroutineScope(Dispatchers.IO)
+
+    private val routes: MutableList<RouteItem> = mutableListOf()
 
     private var vpnDescriptor: ParcelFileDescriptor? = null
 
+
     var input: FileInputStream? = null
     var output: FileOutputStream? = null
 
@@ -91,10 +99,16 @@ class PunchnetService : VpnService() , IfaceTun {
         }
         vpnDescriptor?.close()
 
-        vpnDescriptor = Builder()
+        var tempVpnDescriptor = Builder()
             .setMtu(config.mtu)
             .addAddress(ip, config.ip.netBitLen.toInt())
             .setBlocking(true)
+
+        for (route in routes) {
+            tempVpnDescriptor = tempVpnDescriptor.addRoute(ipToString(route.net_ip), maskIPToDigit(route.mask_ip))
+        }
+
+        vpnDescriptor = tempVpnDescriptor
             .establish()
 
         input = FileInputStream(vpnDescriptor!!.fileDescriptor)
@@ -107,7 +121,7 @@ class PunchnetService : VpnService() , IfaceTun {
         output?.close()
         vpnDescriptor?.close()
 
-        // stopForeground(true)
+        stopForeground(true)
         stopSelf()
     }
 
@@ -121,11 +135,16 @@ class PunchnetService : VpnService() , IfaceTun {
         Log.d("DIR", "filesdir = ${this.filesDir.path}")
 
         arpTable.routeTable.clearRoute()
+        routes.clear()
         for (route in startArg?.routes?.toList()?:listOf()) {
-            val r = cidrToRouteDetail(route.targetNetCIDR, route.gateway)
-            if (r != null) {
-                arpTable.routeTable.addRoute(r)
-            }
+            val r = RouteDetail(
+                mask = route.mask_ip,
+                gw = route.gateway,
+                maskedAddr = route.net_ip,
+            )
+            routes.add(route)
+            // val r = cidrToRouteDetail(route.targetNetCIDR, route.gateway)
+            arpTable.routeTable.addRoute(r)
         }
 
         val argument = Arguments(
diff --git a/app/src/main/java/com/jihe/punchnet/PunchnetServiceArgument.kt b/app/src/main/java/com/jihe/punchnet/PunchnetServiceArgument.kt
index e55c509..a2588ca 100644
--- a/app/src/main/java/com/jihe/punchnet/PunchnetServiceArgument.kt
+++ b/app/src/main/java/com/jihe/punchnet/PunchnetServiceArgument.kt
@@ -2,6 +2,7 @@ package com.jihe.punchnet
 
 import android.os.Parcel
 import android.os.Parcelable
+import com.jihe.punchnet.data.RouteItem
 
 data class RouteInfo(
     // 192.168.80.0/24
@@ -12,14 +13,16 @@ data class RouteInfo(
 
 data class PunchnetServiceArgument(
     val token: String,
-    val routes: Array<RouteInfo>,
+    val routes: Array<RouteItem>,
 ): Parcelable {
     override fun writeToParcel(dest: Parcel, flags: Int) {
         dest.writeString(token)
         dest.writeInt(routes.size)
         routes.forEach { item ->
-            dest.writeString(item.targetNetCIDR)
-            dest.writeString(item.gateway)
+            dest.writeLong(item.id)
+            dest.writeInt(item.net_ip)
+            dest.writeInt(item.mask_ip)
+            dest.writeInt(item.gateway)
         }
     }
 
@@ -31,13 +34,18 @@ data class PunchnetServiceArgument(
         override fun createFromParcel(source: Parcel): PunchnetServiceArgument {
             val token = source.readString()!!
             val size = source.readInt()
-            var routes = mutableListOf<RouteInfo>()
+            var routes = mutableListOf<RouteItem>()
             for (i in 0..<size) {
-                val net = source.readString()!!
-                val gw = source.readString()!!
-                routes.add(RouteInfo(
-                    targetNetCIDR = net,
-                    gateway = gw,
+                val id = source.readLong()!!
+                val netIP = source.readInt()!!
+                val maskIP = source.readInt()!!
+                val gateway = source.readInt()!!
+
+                routes.add(RouteItem(
+                    id = id,
+                    net_ip = netIP,
+                    mask_ip = maskIP,
+                    gateway = gateway,
                 ))
             }
             return PunchnetServiceArgument(token, routes.toTypedArray())
diff --git a/app/src/main/java/com/jihe/punchnet/data/ServiceViewModel.kt b/app/src/main/java/com/jihe/punchnet/data/ServiceViewModel.kt
index 754d438..feaa3b3 100644
--- a/app/src/main/java/com/jihe/punchnet/data/ServiceViewModel.kt
+++ b/app/src/main/java/com/jihe/punchnet/data/ServiceViewModel.kt
@@ -16,44 +16,34 @@ import androidx.compose.runtime.State
 import androidx.compose.runtime.mutableStateOf
 import androidx.core.content.ContextCompat.startForegroundService
 import androidx.lifecycle.AndroidViewModel
+import androidx.lifecycle.viewModelScope
 import com.jihe.punchnet.PunchnetService
 import com.jihe.punchnet.PunchnetServiceArgument
 import com.jihe.punchnet.RouteInfo
+import com.jihe.punchnet.sdlan.utils.ipToString
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.forEach
+import kotlinx.coroutines.flow.toList
+import kotlinx.coroutines.launch
 
 class ServiceViewModel(application: Application): AndroidViewModel(application) {
     private val _isRunning = mutableStateOf(false)
     val isRunning: State<Boolean> = _isRunning
 
-    private val _hasVpnPermission = mutableStateOf(false)
-    val hasVpnPermission: State<Boolean> = _hasVpnPermission
-
-    fun setVPNPermission(isGranted: Boolean) {
-        _hasVpnPermission.value = isGranted
+    fun startService(context: Context, routes: Array<RouteItem>) {
+        // should has the permission
+        startVpnService(context, routes)
+        _isRunning.value = true
     }
 
-    fun startService(context: Context, noPermissionCallback: (Intent)->Unit) {
-        val intent = VpnService.prepare(context)
-        if (intent != null) {
-            noPermissionCallback(intent)
-        } else {
-            startVpnService(context)
-            _isRunning.value = true
-        }
-    }
-
-    private fun startVpnService(context: Context) {
+    private fun startVpnService(context: Context, routes: Array<RouteItem>) {
         val intent = Intent(context, PunchnetService::class.java)
         intent.putExtra("argument", PunchnetServiceArgument(
             "",
-            arrayOf(
-                RouteInfo(
-                    "192.168.80.0/24", "10.211.188.2"
-                )
-            )
-        )
-        )
+            routes,
+        ))
+
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
             context.startForegroundService(intent)
         } else {
diff --git a/app/src/main/java/com/jihe/punchnet/helper/Screens.kt b/app/src/main/java/com/jihe/punchnet/helper/Screens.kt
index b614f3e..cc9720a 100644
--- a/app/src/main/java/com/jihe/punchnet/helper/Screens.kt
+++ b/app/src/main/java/com/jihe/punchnet/helper/Screens.kt
@@ -1,6 +1,80 @@
 package com.jihe.punchnet.helper
 
+import com.jihe.punchnet.data.RouteItem
+import com.jihe.punchnet.sdlan.network.maskDigitToInt
+
 sealed class Screen(val route: String) {
     object ScreenRoutes: Screen("routes")
     object ScreenMain: Screen("main")
+}
+
+fun IntToIPString(ip: Int): String {
+    val one = ((ip ushr 24) and 0x000000ff)
+    val two = ((ip ushr 16) and 0x000000ff)
+    val three = ((ip ushr 8) and 0x000000ff)
+    val four = ((ip) and 0x000000ff)
+    return "${one}.${two}.${three}.${four}"
+}
+
+fun IPStringToInt(ipStr: String): Int? {
+    val digits = ipStr.split('.').filter{
+        val single = try {
+            it.toInt()
+        } catch(e: Exception) {
+            return@filter false
+        }
+        single in 0..255
+    }
+    if (digits.size != 4) {
+        return null
+    }
+    val result: Int
+    try {
+        result = (digits[0].toInt() shl 24) +
+                (digits[1].toInt() shl 16) +
+                (digits[2].toInt() shl 8) +
+                (digits[3].toInt())
+    } catch(e: Exception) {
+        return null
+    }
+
+    return result
+}
+
+fun parseCIDRAndGW(cidr: String, gw: String): RouteItem? {
+    val cidrSplit = cidr.split('/')
+    var ip = 0
+    var digit = 0
+
+    if (cidrSplit.size == 1) {
+        digit = 32
+    } else if (cidrSplit.size == 2) {
+        try {
+            val k = cidrSplit[1].toInt()
+            if (k in 1..32) {
+                digit = k
+            } else {
+                return null
+            }
+        } catch (e: Exception) {
+            return null
+        }
+    } else {
+        return null
+    }
+
+    val ipvalue = IPStringToInt(cidrSplit[0])
+    val gateway = IPStringToInt(gw)
+    if (ipvalue == null) {
+        return null
+    }
+    if (gateway == null) {
+        return null
+    }
+    val mask = maskDigitToInt(digit)!!
+    return RouteItem(
+        net_ip = ipvalue,
+        gateway = gateway,
+        mask_ip = mask,
+    )
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/jihe/punchnet/screen/AppNavigationItems.kt b/app/src/main/java/com/jihe/punchnet/screen/AppNavigationItems.kt
index 3d9cbec..b8111d8 100644
--- a/app/src/main/java/com/jihe/punchnet/screen/AppNavigationItems.kt
+++ b/app/src/main/java/com/jihe/punchnet/screen/AppNavigationItems.kt
@@ -54,12 +54,22 @@ fun AppNavHost2(
         }
         composable(Screen.RouteScreen.route) {
             CustomHeaderScreen(
-                "光强计"
+                "路由设置"
             ) {
+                RouteScreen(!serviceViewModel.isRunning.value, routeViewModel)
                 // LightScreen()
             }
         }
         composable(Screen.ProfileScreen.route) {
+            Column(
+                horizontalAlignment = Alignment.CenterHorizontally,
+                modifier = Modifier.fillMaxWidth()
+            ) {
+                Text(
+                    "TODO",
+                    style = MaterialTheme.typography.titleLarge,
+                )
+            }
             // Profile(dbdao, navController)
         }
     }
diff --git a/app/src/main/java/com/jihe/punchnet/screen/HomeScreen.kt b/app/src/main/java/com/jihe/punchnet/screen/HomeScreen.kt
index fae10ba..31ab650 100644
--- a/app/src/main/java/com/jihe/punchnet/screen/HomeScreen.kt
+++ b/app/src/main/java/com/jihe/punchnet/screen/HomeScreen.kt
@@ -4,6 +4,7 @@ import android.app.Activity.RESULT_CANCELED
 import android.app.Activity.RESULT_OK
 import android.content.Context
 import android.content.Intent
+import android.net.VpnService
 import android.os.Build
 import android.widget.Toast
 import androidx.activity.compose.rememberLauncherForActivityResult
@@ -25,6 +26,7 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.collectAsState
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
@@ -46,17 +48,18 @@ fun HomeScreen(
     // started: MutableState<Boolean>,
     modifier: Modifier = Modifier,
 ) {
-
     val context = LocalContext.current
+    val allroutes = routeViewModel.allRoutes.collectAsState(emptyList())
     val vpnLauncher = rememberLauncherForActivityResult(
         contract = ActivityResultContracts.StartActivityForResult()
     ) {result ->
         when(result.resultCode) {
             RESULT_OK -> {
-                serviceViewModel.setVPNPermission(true)
+                // serviceViewModel.startService(context)
+                // serviceViewModel.setVPNPermission(true)
+                serviceViewModel.startService(context, allroutes.value.toTypedArray())
             }
             RESULT_CANCELED -> {
-                serviceViewModel.setVPNPermission(false)
                 Toast.makeText(context, "vpn permission denied", Toast.LENGTH_SHORT).show()
             }
         }
@@ -115,12 +118,12 @@ fun HomeScreen(
                         // if is running, should stop service
                         serviceViewModel.stopVpnService(context)
                     } else {
-                        serviceViewModel.startService(
-                            context,
-                            {intent->
-                                vpnLauncher.launch(intent)
-                            },
-                        )
+                        val intent = VpnService.prepare(context)
+                        if (intent != null) {
+                            vpnLauncher.launch(intent)
+                        } else {
+                            serviceViewModel.startService(context, allroutes.value.toTypedArray())
+                        }
                     }
                     // started.value = !started.value
                 },
@@ -142,23 +145,3 @@ fun HomeScreen(
     }
 }
 
-
-private fun startVpnService(context: Context) {
-    val intent = Intent(context, PunchnetService::class.java)
-
-    intent.putExtra("argument", PunchnetServiceArgument(
-        "",
-        arrayOf(
-            RouteInfo(
-                "192.168.80.0/24", "10.211.188.2"
-            )
-        )
-    )
-    )
-    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
-        context.startForegroundService(intent)
-    } else {
-        context.startService(intent)
-    }
-    Toast.makeText(context, "VPN service started", Toast.LENGTH_SHORT).show()
-}
diff --git a/app/src/main/java/com/jihe/punchnet/screen/RouteScreen.kt b/app/src/main/java/com/jihe/punchnet/screen/RouteScreen.kt
new file mode 100644
index 0000000..d46dd9b
--- /dev/null
+++ b/app/src/main/java/com/jihe/punchnet/screen/RouteScreen.kt
@@ -0,0 +1,211 @@
+package com.jihe.punchnet.screen
+
+import android.widget.Toast
+import androidx.collection.emptyLongSet
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.lazy.items
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Clear
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Button
+import androidx.compose.material3.Card
+import androidx.compose.material3.Icon
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextField
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.RectangleShape
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.unit.dp
+import androidx.room.util.TableInfo
+import com.jihe.punchnet.data.RouteItem
+import com.jihe.punchnet.data.RouteViewModel
+import com.jihe.punchnet.helper.IntToIPString
+import com.jihe.punchnet.helper.parseCIDRAndGW
+import com.jihe.punchnet.sdlan.network.maskIPToDigit
+
+@Composable
+fun AddOrModifyRoute(
+    routeViewModel: RouteViewModel,
+    initRoute: MutableState<RouteItem?>,
+    shouldShowRoute: MutableState<Boolean>,
+
+) {
+    if (shouldShowRoute.value) {
+        val context = LocalContext.current
+        var cidr by remember {
+            mutableStateOf(
+                if (initRoute.value == null)
+                    ""
+                else
+                    ""
+            )
+        }
+
+        var gw by remember {
+            mutableStateOf(
+                if (initRoute.value == null)
+                    ""
+                else
+                    ""
+            )
+        }
+
+        AlertDialog(
+            onDismissRequest = {
+                shouldShowRoute.value = false
+            },
+            confirmButton = {
+                Button(
+                    onClick = {
+                        val item = parseCIDRAndGW(cidr, gw)
+                        if (item == null) {
+                            Toast.makeText(context, "数据解析出错", Toast.LENGTH_SHORT).show()
+                        } else {
+                            routeViewModel.insert(item)
+                            shouldShowRoute.value = false
+                        }
+                    }
+                ) {
+                    Text("确定")
+                }
+            },
+            title = {
+                Text(
+                    "添加新路由"
+                )
+            },
+            text = {
+                Column {
+                    TextField(
+                        value = cidr,
+                        onValueChange = { newValue ->
+                            cidr = newValue
+                        },
+                        placeholder = {
+                            Text(
+                                "192.168.0.0/24",
+                                color = MaterialTheme.colorScheme.onBackground.copy(.5f)
+                            )
+                        },
+                        label = {
+                            Text("CIDR")
+                        },
+                        modifier = Modifier.padding(start = 16.dp)
+                    )
+
+
+                    TextField(
+                        value = gw,
+                        onValueChange = { newValue ->
+                            gw = newValue
+                        },
+                        placeholder = {
+                            Text(
+                                "10.167.69.13",
+                                color = MaterialTheme.colorScheme.onBackground.copy(.5f)
+                            )
+                        },
+                        label = {
+                            Text("gateway")
+                        },
+                        modifier = Modifier.padding(start = 16.dp, top = 8.dp)
+                    )
+                }
+            }
+        )
+    }
+}
+
+
+@Composable
+fun RouteScreen(
+    enabled: Boolean,
+    routeViewModel: RouteViewModel,
+    modifier: Modifier = Modifier,
+) {
+    val showAddRoute: MutableState<RouteItem?> = remember { mutableStateOf(null) }
+    val shouldShow: MutableState<Boolean> = remember { mutableStateOf(false) }
+
+    AddOrModifyRoute(routeViewModel, showAddRoute, shouldShow)
+
+    val routeItems by routeViewModel.allRoutes.collectAsState(initial = emptyList())
+    LazyColumn {
+        item {
+            Row(
+            ) {
+
+            }
+        }
+        items(routeItems) {item ->
+            RouteCard(routeViewModel, item, enabled)
+        }
+        item {
+            Button(
+                enabled = enabled,
+                shape = RectangleShape,
+                onClick = {
+                    shouldShow.value = true
+                },
+                modifier = Modifier.fillMaxWidth()
+            ) {
+                Text("添加路由")
+            }
+        }
+    }
+}
+
+@Composable
+fun RouteCard(
+    routeViewModel: RouteViewModel,
+    item: RouteItem,
+    enabled: Boolean,
+    modifier: Modifier = Modifier,
+) {
+    Card (
+        modifier = Modifier.fillMaxWidth()
+
+    ){
+        Row (
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier.height(36.dp)
+        ){
+            Icon(
+                Icons.Default.Clear,
+                contentDescription = "delete route",
+                modifier = Modifier.size(30.dp).clickable(
+                    enabled = enabled,
+                ) {
+                    routeViewModel.deleteById(item.id)
+                }
+            )
+            Text(
+                "${IntToIPString(item.net_ip)}/${maskIPToDigit(item.mask_ip)}",
+                modifier = Modifier.padding(start = 8.dp)
+            )
+
+            Text(
+                IntToIPString(item.gateway),
+                modifier = Modifier.padding(start = 8.dp)
+            )
+
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/jihe/punchnet/sdlan/network/route.kt b/app/src/main/java/com/jihe/punchnet/sdlan/network/route.kt
index ea5054b..ca737f0 100644
--- a/app/src/main/java/com/jihe/punchnet/sdlan/network/route.kt
+++ b/app/src/main/java/com/jihe/punchnet/sdlan/network/route.kt
@@ -45,11 +45,21 @@ fun cidrToRouteDetail(cidr: String, gw: String): RouteDetail? {
     )
 }
 
+fun maskIPToDigit(mask: Int): Int {
+    var count = 0
+    var temp = mask
+    while (temp != 0) {
+        temp = temp shl 1
+        count += 1
+    }
+    return count
+}
+
 fun maskDigitToInt(digit: Int): Int? {
     if (digit <= 0 || digit >= 32) {
         return null
     }
-    return ((2 shl (32-digit)) - 1)
+    return ((1 shl (32-digit)) - 1).inv()
 }
 
 fun ipStringToInt(ip: String): Int? {
diff --git a/key-store/punchnet.jks b/key-store/punchnet.jks
new file mode 100644
index 0000000..ef17162
Binary files /dev/null and b/key-store/punchnet.jks differ