diff --git a/app/src/main/java/com/bintianqi/owndroid/MainActivity.kt b/app/src/main/java/com/bintianqi/owndroid/MainActivity.kt
index 2451100..cd4c860 100644
--- a/app/src/main/java/com/bintianqi/owndroid/MainActivity.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/MainActivity.kt
@@ -40,21 +40,23 @@ import androidx.navigation.compose.rememberNavController
 import com.bintianqi.owndroid.dpm.*
 import com.bintianqi.owndroid.ui.Animations
 import com.bintianqi.owndroid.ui.theme.OwnDroidTheme
-import com.bintianqi.owndroid.ui.theme.SetDarkTheme
-import com.bintianqi.owndroid.ui.theme.bgColor
 import kotlinx.coroutines.delay
 
 var backToHome = false
 @ExperimentalMaterial3Api
 class MainActivity : ComponentActivity() {
+    @SuppressLint("UnrememberedMutableState")
     override fun onCreate(savedInstanceState: Bundle?) {
         enableEdgeToEdge()
         WindowCompat.setDecorFitsSystemWindows(window, false)
         super.onCreate(savedInstanceState)
         registerActivityResult(this)
+        val sharedPref = applicationContext.getSharedPreferences("data", Context.MODE_PRIVATE)
         setContent {
-            OwnDroidTheme {
-                MyScaffold()
+            val materialYou = mutableStateOf(sharedPref.getBoolean("material_you",true))
+            val blackTheme = mutableStateOf(sharedPref.getBoolean("black_theme", false))
+            OwnDroidTheme(materialYou.value, blackTheme.value){
+                MyScaffold(materialYou, blackTheme)
             }
         }
     }
@@ -63,7 +65,7 @@ class MainActivity : ComponentActivity() {
 @SuppressLint("UnrememberedMutableState")
 @ExperimentalMaterial3Api
 @Composable
-fun MyScaffold(){
+fun MyScaffold(materialYou:MutableState<Boolean>, blackTheme:MutableState<Boolean>){
     val navCtrl = rememberNavController()
     val myContext = LocalContext.current
     val myDpm = myContext.getSystemService(ComponentActivity.DEVICE_POLICY_SERVICE) as DevicePolicyManager
@@ -72,7 +74,6 @@ fun MyScaffold(){
     val focusMgr = LocalFocusManager.current
     val pkgName = mutableStateOf("")
     val dialogStatus = mutableIntStateOf(0)
-    SetDarkTheme()
     LaunchedEffect(Unit){
         while(true){
             if(backToHome){ navCtrl.navigateUp(); backToHome=false }
@@ -84,7 +85,7 @@ fun MyScaffold(){
         startDestination = "HomePage",
         modifier = Modifier
             .fillMaxSize()
-            .background(bgColor)
+            .background(colorScheme.background)
             .imePadding()
             .pointerInput(Unit) {detectTapGestures(onTap = {focusMgr.clearFocus()})},
         enterTransition = Animations.navHostEnterTransition,
@@ -100,7 +101,7 @@ fun MyScaffold(){
         composable(route = "UserRestriction", content = { UserRestriction(navCtrl)})
         composable(route = "UserManage", content = { UserManage(navCtrl)})
         composable(route = "Password", content = { Password(navCtrl)})
-        composable(route = "AppSetting", content = { AppSetting(navCtrl)})
+        composable(route = "AppSetting", content = { AppSetting(navCtrl, materialYou, blackTheme)})
         composable(route = "Network", content = {Network(navCtrl)})
         composable(route = "PackageSelector"){PackageSelector(navCtrl, pkgName)}
         composable(route = "PermissionPicker"){PermissionPicker(navCtrl)}
@@ -131,7 +132,10 @@ private fun HomePage(navCtrl:NavHostController, pkgName: MutableState<String>){
     LaunchedEffect(Unit){ pkgName.value = "" }
     Column(modifier = Modifier.statusBarsPadding().verticalScroll(rememberScrollState())) {
         Spacer(Modifier.padding(vertical = 25.dp))
-        Text(text = stringResource(R.string.app_name), style = typography.headlineLarge, modifier = Modifier.padding(start = 10.dp), color = colorScheme.onBackground)
+        Text(
+            text = stringResource(R.string.app_name), style = typography.headlineLarge,
+            modifier = Modifier.padding(start = 10.dp), color = colorScheme.onBackground
+        )
         Spacer(Modifier.padding(vertical = 8.dp))
         Row(
             modifier = Modifier
diff --git a/app/src/main/java/com/bintianqi/owndroid/PermissionPicker.kt b/app/src/main/java/com/bintianqi/owndroid/PermissionPicker.kt
index c46bc45..d98e11a 100644
--- a/app/src/main/java/com/bintianqi/owndroid/PermissionPicker.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/PermissionPicker.kt
@@ -2,7 +2,6 @@ package com.bintianqi.owndroid
 
 import android.Manifest
 import android.os.Build.VERSION
-import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.lazy.LazyColumn
@@ -17,7 +16,6 @@ import androidx.navigation.NavHostController
 import com.bintianqi.owndroid.dpm.applySelectedPermission
 import com.bintianqi.owndroid.dpm.selectedPermission
 import com.bintianqi.owndroid.ui.NavIcon
-import com.bintianqi.owndroid.ui.theme.bgColor
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -27,12 +25,12 @@ fun PermissionPicker(navCtrl: NavHostController){
             TopAppBar(
                 title = {Text(text = stringResource(R.string.permission_picker))},
                 navigationIcon = {NavIcon{navCtrl.navigateUp()}},
-                colors = TopAppBarDefaults.topAppBarColors(containerColor = bgColor)
+                colors = TopAppBarDefaults.topAppBarColors(containerColor = MaterialTheme.colorScheme.background)
             )
         }
     ){ paddingValues->
         LazyColumn(
-            modifier = Modifier.fillMaxSize().padding(top = paddingValues.calculateTopPadding()).background(bgColor)
+            modifier = Modifier.fillMaxSize().padding(top = paddingValues.calculateTopPadding())
         ){
             items(permissionList()){
                 Column(
diff --git a/app/src/main/java/com/bintianqi/owndroid/PkgSelector.kt b/app/src/main/java/com/bintianqi/owndroid/PkgSelector.kt
index 1ac002a..55d05cd 100644
--- a/app/src/main/java/com/bintianqi/owndroid/PkgSelector.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/PkgSelector.kt
@@ -10,6 +10,7 @@ import androidx.compose.foundation.lazy.items
 import androidx.compose.foundation.lazy.rememberLazyListState
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.*
+import androidx.compose.material3.MaterialTheme.colorScheme
 import androidx.compose.material3.MaterialTheme.typography
 import androidx.compose.runtime.*
 import androidx.compose.ui.Alignment
@@ -22,7 +23,6 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavHostController
 import com.bintianqi.owndroid.ui.NavIcon
-import com.bintianqi.owndroid.ui.theme.bgColor
 import com.google.accompanist.drawablepainter.rememberDrawablePainter
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
@@ -124,14 +124,14 @@ fun PackageSelector(navCtrl:NavHostController, pkgName: MutableState<String>){
                 title = {
                     Text(text = stringResource(R.string.pkg_selector))
                 },
-                navigationIcon = {NavIcon{navCtrl.navigateUp()}},
-                colors = TopAppBarDefaults.topAppBarColors(containerColor = bgColor)
+                navigationIcon = { NavIcon{navCtrl.navigateUp()} },
+                colors = TopAppBarDefaults.topAppBarColors(containerColor = colorScheme.background)
             )
         }
     ){paddingValues->
         LazyColumn(
             horizontalAlignment = Alignment.CenterHorizontally,
-            modifier = Modifier.fillMaxSize().background(bgColor).padding(top = paddingValues.calculateTopPadding()),
+            modifier = Modifier.fillMaxSize().padding(top = paddingValues.calculateTopPadding()),
             state = scrollState
         ){
             items(1){
diff --git a/app/src/main/java/com/bintianqi/owndroid/Setting.kt b/app/src/main/java/com/bintianqi/owndroid/Setting.kt
index 4d7ab9f..eb59a9a 100644
--- a/app/src/main/java/com/bintianqi/owndroid/Setting.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/Setting.kt
@@ -3,19 +3,21 @@ package com.bintianqi.owndroid
 import android.content.Context
 import android.content.Intent
 import android.net.Uri
-import androidx.compose.foundation.background
-import androidx.compose.foundation.layout.*
+import android.os.Build.VERSION
+import androidx.compose.foundation.isSystemInDarkTheme
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
-import androidx.compose.material3.MaterialTheme.colorScheme
 import androidx.compose.material3.MaterialTheme.typography
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.MutableState
 import androidx.compose.runtime.getValue
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.graphics.toArgb
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
@@ -24,12 +26,13 @@ import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.currentBackStackEntryAsState
 import androidx.navigation.compose.rememberNavController
-import com.bintianqi.owndroid.ui.*
-import com.bintianqi.owndroid.ui.theme.SetDarkTheme
-import com.bintianqi.owndroid.ui.theme.bgColor
+import com.bintianqi.owndroid.ui.Animations
+import com.bintianqi.owndroid.ui.SubPageItem
+import com.bintianqi.owndroid.ui.SwitchItem
+import com.bintianqi.owndroid.ui.TopBar
 
 @Composable
-fun AppSetting(navCtrl:NavHostController){
+fun AppSetting(navCtrl:NavHostController, materialYou: MutableState<Boolean>, blackTheme: MutableState<Boolean>){
     val localNavCtrl = rememberNavController()
     val backStackEntry by localNavCtrl.currentBackStackEntryAsState()
     /*val titleMap = mapOf(
@@ -51,10 +54,10 @@ fun AppSetting(navCtrl:NavHostController){
             exitTransition = Animations.navHostExitTransition,
             popEnterTransition = Animations.navHostPopEnterTransition,
             popExitTransition = Animations.navHostPopExitTransition,
-            modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
+            modifier = Modifier.padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl)}
-            composable(route = "Settings"){Settings()}
+            composable(route = "Settings"){Settings(materialYou, blackTheme)}
             composable(route = "About"){About()}
         }
     }
@@ -69,24 +72,28 @@ private fun Home(navCtrl: NavHostController){
 }
 
 @Composable
-private fun Settings(){
+private fun Settings(materialYou:MutableState<Boolean>, blackTheme:MutableState<Boolean>){
     val sharedPref = LocalContext.current.getSharedPreferences("data", Context.MODE_PRIVATE)
-    SetDarkTheme()
     Column(modifier = Modifier.fillMaxSize().verticalScroll(rememberScrollState())) {
-        SwitchItem(
-            R.string.dynamic_color, stringResource(R.string.dynamic_color_desc),null,
-            {sharedPref.getBoolean("dynamicColor",false)},{sharedPref.edit().putBoolean("dynamicColor",it).apply()}
-        )
-        if(colorScheme.background.toArgb()!=Color(0xFF000000).toArgb()){
+        if(VERSION.SDK_INT>=31){
             SwitchItem(
-                R.string.blackTheme, stringResource(R.string.blackTheme_desc),null,
-                {sharedPref.getBoolean("blackTheme",false)},{sharedPref.edit().putBoolean("blackTheme",it).apply()}
+                R.string.material_you_color, stringResource(R.string.dynamic_color_desc), null,
+                { sharedPref.getBoolean("material_you",true) },
+                {
+                    sharedPref.edit().putBoolean("material_you",it).apply()
+                    materialYou.value = it
+                }
             )
         }
-        Box(modifier = Modifier.padding(10.dp)){
-            Information {
-                Text(text = stringResource(R.string.need_relaunch))
-            }
+        if(isSystemInDarkTheme()){
+            SwitchItem(
+                R.string.amoled_black, stringResource(R.string.blackTheme_desc), null,
+                { sharedPref.getBoolean("black_theme",false) },
+                {
+                    sharedPref.edit().putBoolean("black_theme",it).apply()
+                    blackTheme.value = it
+                }
+            )
         }
     }
 }
diff --git a/app/src/main/java/com/bintianqi/owndroid/dpm/ApplicationManage.kt b/app/src/main/java/com/bintianqi/owndroid/dpm/ApplicationManage.kt
index 87f25e2..1b4076f 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/ApplicationManage.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/ApplicationManage.kt
@@ -52,7 +52,6 @@ import androidx.navigation.compose.rememberNavController
 import com.bintianqi.owndroid.*
 import com.bintianqi.owndroid.R
 import com.bintianqi.owndroid.ui.*
-import com.bintianqi.owndroid.ui.theme.bgColor
 import kotlinx.coroutines.delay
 import java.io.IOException
 import java.io.InputStream
@@ -122,8 +121,7 @@ fun ApplicationManage(navCtrl:NavHostController, pkgName: MutableState<String>,
                 enterTransition = Animations.navHostEnterTransition,
                 exitTransition = Animations.navHostExitTransition,
                 popEnterTransition = Animations.navHostPopEnterTransition,
-                popExitTransition = Animations.navHostPopExitTransition,
-                modifier = Modifier.background(bgColor)
+                popExitTransition = Animations.navHostPopExitTransition
             ){
                 composable(route = "Home"){Home(localNavCtrl, pkgName.value, dialogStatus)}
                 composable(route = "UserControlDisabled"){UserCtrlDisabledPkg(pkgName.value)}
diff --git a/app/src/main/java/com/bintianqi/owndroid/dpm/ManagedProfile.kt b/app/src/main/java/com/bintianqi/owndroid/dpm/ManagedProfile.kt
index c367322..1173036 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/ManagedProfile.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/ManagedProfile.kt
@@ -9,7 +9,6 @@ import android.os.Build.VERSION
 import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.compose.animation.AnimatedVisibility
-import androidx.compose.foundation.background
 import androidx.compose.foundation.focusable
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.rememberScrollState
@@ -17,9 +16,12 @@ import androidx.compose.foundation.text.KeyboardActions
 import androidx.compose.foundation.text.KeyboardOptions
 import androidx.compose.foundation.text.selection.SelectionContainer
 import androidx.compose.foundation.verticalScroll
-import androidx.compose.material3.*
+import androidx.compose.material3.Button
 import androidx.compose.material3.MaterialTheme.colorScheme
 import androidx.compose.material3.MaterialTheme.typography
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
 import androidx.compose.runtime.*
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalContext
@@ -36,7 +38,6 @@ import androidx.navigation.compose.rememberNavController
 import com.bintianqi.owndroid.R
 import com.bintianqi.owndroid.Receiver
 import com.bintianqi.owndroid.ui.*
-import com.bintianqi.owndroid.ui.theme.bgColor
 
 @Composable
 fun ManagedProfile(navCtrl: NavHostController) {
@@ -65,7 +66,7 @@ fun ManagedProfile(navCtrl: NavHostController) {
             exitTransition = Animations.navHostExitTransition,
             popEnterTransition = Animations.navHostPopEnterTransition,
             popExitTransition = Animations.navHostPopExitTransition,
-            modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
+            modifier = Modifier.padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl)}
             composable(route = "OrgOwnedWorkProfile"){OrgOwnedProfile()}
diff --git a/app/src/main/java/com/bintianqi/owndroid/dpm/Network.kt b/app/src/main/java/com/bintianqi/owndroid/dpm/Network.kt
index 2793314..bd4e6ca 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/Network.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/Network.kt
@@ -45,7 +45,6 @@ import com.bintianqi.owndroid.R
 import com.bintianqi.owndroid.Receiver
 import com.bintianqi.owndroid.toText
 import com.bintianqi.owndroid.ui.*
-import com.bintianqi.owndroid.ui.theme.bgColor
 
 var ssidSet = mutableSetOf<WifiSsid>()
 @Composable
@@ -85,7 +84,7 @@ fun Network(navCtrl: NavHostController){
             exitTransition = Animations.navHostExitTransition,
             popEnterTransition = Animations.navHostPopEnterTransition,
             popExitTransition = Animations.navHostPopExitTransition,
-            modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
+            modifier = Modifier.padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl,scrollState)}
             composable(route = "Switches"){Switches()}
diff --git a/app/src/main/java/com/bintianqi/owndroid/dpm/Password.kt b/app/src/main/java/com/bintianqi/owndroid/dpm/Password.kt
index 5e6de4a..dbb879a 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/Password.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/Password.kt
@@ -36,7 +36,6 @@ import androidx.navigation.compose.rememberNavController
 import com.bintianqi.owndroid.R
 import com.bintianqi.owndroid.Receiver
 import com.bintianqi.owndroid.ui.*
-import com.bintianqi.owndroid.ui.theme.bgColor
 
 @Composable
 fun Password(navCtrl: NavHostController){
@@ -78,7 +77,7 @@ fun Password(navCtrl: NavHostController){
             exitTransition = Animations.navHostExitTransition,
             popEnterTransition = Animations.navHostPopEnterTransition,
             popExitTransition = Animations.navHostPopExitTransition,
-            modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
+            modifier = Modifier.padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl,scrollState)}
             composable(route = "PasswordInfo"){PasswordInfo()}
diff --git a/app/src/main/java/com/bintianqi/owndroid/dpm/Permissions.kt b/app/src/main/java/com/bintianqi/owndroid/dpm/Permissions.kt
index af2764b..2b00ba9 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/Permissions.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/Permissions.kt
@@ -36,7 +36,6 @@ import androidx.navigation.compose.rememberNavController
 import com.bintianqi.owndroid.R
 import com.bintianqi.owndroid.Receiver
 import com.bintianqi.owndroid.ui.*
-import com.bintianqi.owndroid.ui.theme.bgColor
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 
@@ -82,7 +81,7 @@ fun DpmPermissions(navCtrl:NavHostController){
             exitTransition = Animations.navHostExitTransition,
             popEnterTransition = Animations.navHostPopEnterTransition,
             popExitTransition = Animations.navHostPopExitTransition,
-            modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
+            modifier = Modifier.padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl,scrollState)}
             composable(route = "Shizuku"){ShizukuActivate()}
diff --git a/app/src/main/java/com/bintianqi/owndroid/dpm/SystemManager.kt b/app/src/main/java/com/bintianqi/owndroid/dpm/SystemManager.kt
index 3ebf4d5..43bcfe6 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/SystemManager.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/SystemManager.kt
@@ -44,7 +44,6 @@ import androidx.navigation.compose.rememberNavController
 import com.bintianqi.owndroid.*
 import com.bintianqi.owndroid.R
 import com.bintianqi.owndroid.ui.*
-import com.bintianqi.owndroid.ui.theme.bgColor
 import kotlinx.coroutines.delay
 import java.util.Date
 
@@ -91,7 +90,7 @@ fun SystemManage(navCtrl:NavHostController){
             exitTransition = Animations.navHostExitTransition,
             popEnterTransition = Animations.navHostPopEnterTransition,
             popExitTransition = Animations.navHostPopExitTransition,
-            modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
+            modifier = Modifier.padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl,scrollState)}
             composable(route = "Switches"){Switches()}
@@ -610,6 +609,7 @@ private fun CaCert(){
                 }
                 exist = myDpm.hasCaCertInstalled(myComponent, caCertByteArray)
             }
+            uriPath = fileUri?.path?:""
         }
     }
     LaunchedEffect(exist){ while(true){ refresh();delay(500) } }
diff --git a/app/src/main/java/com/bintianqi/owndroid/dpm/UserManager.kt b/app/src/main/java/com/bintianqi/owndroid/dpm/UserManager.kt
index 78e731a..4b33d84 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/UserManager.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/UserManager.kt
@@ -43,7 +43,6 @@ import androidx.navigation.compose.rememberNavController
 import com.bintianqi.owndroid.*
 import com.bintianqi.owndroid.R
 import com.bintianqi.owndroid.ui.*
-import com.bintianqi.owndroid.ui.theme.bgColor
 import kotlinx.coroutines.delay
 
 var affiliationID = mutableSetOf<String>()
@@ -84,7 +83,7 @@ fun UserManage(navCtrl:NavHostController) {
             exitTransition = Animations.navHostExitTransition,
             popEnterTransition = Animations.navHostPopEnterTransition,
             popExitTransition = Animations.navHostPopExitTransition,
-            modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
+            modifier = Modifier.padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl,scrollState)}
             composable(route = "UserInfo"){CurrentUserInfo()}
diff --git a/app/src/main/java/com/bintianqi/owndroid/dpm/UserRestriction.kt b/app/src/main/java/com/bintianqi/owndroid/dpm/UserRestriction.kt
index aadeff6..67095d4 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/UserRestriction.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/UserRestriction.kt
@@ -11,7 +11,6 @@ import androidx.activity.ComponentActivity
 import androidx.annotation.DrawableRes
 import androidx.annotation.StringRes
 import androidx.compose.foundation.ScrollState
-import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
@@ -39,7 +38,6 @@ import com.bintianqi.owndroid.ui.Animations
 import com.bintianqi.owndroid.ui.SubPageItem
 import com.bintianqi.owndroid.ui.SwitchItem
 import com.bintianqi.owndroid.ui.TopBar
-import com.bintianqi.owndroid.ui.theme.bgColor
 
 private data class Restriction(
     val restriction:String,
@@ -84,7 +82,7 @@ fun UserRestriction(navCtrl: NavHostController){
             exitTransition = Animations.navHostExitTransition,
             popEnterTransition = Animations.navHostPopEnterTransition,
             popExitTransition = Animations.navHostPopExitTransition,
-            modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
+            modifier = Modifier.padding(top = it.calculateTopPadding())
         ){
             composable(route = "Internet"){Internet()}
             composable(route = "Home"){Home(localNavCtrl,scrollState)}
diff --git a/app/src/main/java/com/bintianqi/owndroid/ui/Components.kt b/app/src/main/java/com/bintianqi/owndroid/ui/Components.kt
index ea8725a..a84bf68 100644
--- a/app/src/main/java/com/bintianqi/owndroid/ui/Components.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/ui/Components.kt
@@ -5,9 +5,7 @@ import android.widget.Toast
 import androidx.annotation.DrawableRes
 import androidx.annotation.StringRes
 import androidx.compose.animation.animateContentSize
-import androidx.compose.foundation.LocalIndication
 import androidx.compose.foundation.clickable
-import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.*
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.*
@@ -25,7 +23,6 @@ import androidx.compose.ui.unit.dp
 import androidx.navigation.NavBackStackEntry
 import androidx.navigation.NavHostController
 import com.bintianqi.owndroid.R
-import com.bintianqi.owndroid.ui.theme.bgColor
 import com.bintianqi.owndroid.writeClipBoard
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
@@ -173,8 +170,12 @@ fun TopBar(
     TopAppBar(
         //Text(text = stringResource(titleMap[backStackEntry?.destination?.route]?:R.string.user_restrict))
         title = title,
-        navigationIcon = {NavIcon{if(backStackEntry?.destination?.route=="Home"){navCtrl.navigateUp()}else{localNavCtrl.navigateUp()}}},
-        colors = TopAppBarDefaults.topAppBarColors(containerColor = bgColor)
+        navigationIcon = {
+            NavIcon{
+                if(backStackEntry?.destination?.route=="Home"){ navCtrl.navigateUp() }else{ localNavCtrl.navigateUp() }
+            }
+        },
+        colors = TopAppBarDefaults.topAppBarColors(containerColor = colorScheme.background)
     )
 }
 
diff --git a/app/src/main/java/com/bintianqi/owndroid/ui/theme/Theme.kt b/app/src/main/java/com/bintianqi/owndroid/ui/theme/Theme.kt
index 0001630..d76b6c1 100644
--- a/app/src/main/java/com/bintianqi/owndroid/ui/theme/Theme.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/ui/theme/Theme.kt
@@ -2,11 +2,9 @@ package com.bintianqi.owndroid.ui.theme
 
 import android.app.Activity
 import android.content.Context
-import android.os.Build
 import android.os.Build.VERSION
 import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.material3.*
-import androidx.compose.material3.MaterialTheme.colorScheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.SideEffect
 import androidx.compose.ui.graphics.Color
@@ -79,41 +77,31 @@ private val LightColorScheme = lightColorScheme(
     scrim = md_theme_light_scrim
 )
 
-var bgColor = Color(0xFF000000)
-
-@Composable
-fun SetDarkTheme(){
-    val dark = isSystemInDarkTheme()
-    val sharedPref = LocalContext.current.getSharedPreferences("data", Context.MODE_PRIVATE)
-    val bg = colorScheme.background
-    val lightBg = colorScheme.primary.copy(alpha = 0.05F)
-    bgColor = if(dark){
-        if(sharedPref.getBoolean("blackTheme",true)){ Color(0xFF000000) }else{ bg }
-    }else{
-        lightBg
-    }
-}
-
 @Composable
 fun OwnDroidTheme(
-    darkTheme: Boolean = isSystemInDarkTheme(),
+    materialYou: Boolean,
+    blackTheme: Boolean,
     content: @Composable () -> Unit
 ) {
-    SetDarkTheme()
+    val darkTheme = isSystemInDarkTheme()
     val context = LocalContext.current
     val sharedPref = context.getSharedPreferences("data", Context.MODE_PRIVATE)
     if(!sharedPref.contains("dynamicColor")&&VERSION.SDK_INT>=32){
         sharedPref.edit().putBoolean("dynamicColor",true).apply()
     }
-    val dynamicColor = sharedPref.getBoolean("dynamicColor",false)
-    val colorScheme = when {
-        dynamicColor && VERSION.SDK_INT >= Build.VERSION_CODES.S -> {
-            if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context)
+    var colorScheme = when {
+        materialYou && VERSION.SDK_INT>=31 -> {
+            if(darkTheme){ dynamicDarkColorScheme(context) }else{ dynamicLightColorScheme(context) }
         }
-
         darkTheme -> DarkColorScheme
         else -> LightColorScheme
     }
+    if(darkTheme&&blackTheme){
+        colorScheme = colorScheme.copy(background = Color.Black)
+    }
+    if(!darkTheme){
+        colorScheme = colorScheme.copy(background = colorScheme.primary.copy(alpha = 0.05f))
+    }
     val view = LocalView.current
     SideEffect {
         val window = (view.context as Activity).window
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index 8fdb8d5..bb31a11 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -472,15 +472,14 @@
 
     <!--Settings&About-->
     <string name="setting">设置</string>
-    <string name="dynamic_color">动态取色</string>
+    <string name="material_you_color">Material you 颜色</string>
     <string name="dynamic_color_desc">安卓12+</string>
     <string name="about">关于</string>
     <string name="about_desc">使用安卓的Device admin、Device owner、Profile owner，全方位掌控你的设备</string>
     <string name="user_guide">使用教程</string>
     <string name="source_code">源代码</string>
-    <string name="blackTheme">纯黑夜间主题</string>
+    <string name="amoled_black">纯黑夜间主题</string>
     <string name="blackTheme_desc">需要打开夜间模式</string>
-    <string name="need_relaunch">需要重启应用</string>
 
     <!--AndroidPermission-->
     <string name="permission_READ_EXTERNAL_STORAGE">读取外部存储</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 1a14ea0..df0a295 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -487,15 +487,14 @@
 
     <!--Settings&About-->
     <string name="setting">Settings</string>
-    <string name="dynamic_color">Dynamic color</string>
+    <string name="material_you_color">Material you color</string>
     <string name="dynamic_color_desc">Android 12+</string>
     <string name="about">About</string>
     <string name="about_desc">Use Device admin, Profile owner and Device owner privilege to take full control of your device. </string>
     <string name="user_guide">User guide</string>
     <string name="source_code">Source code</string>
-    <string name="blackTheme">Black theme</string>
+    <string name="amoled_black">Black theme</string>
     <string name="blackTheme_desc">Require dark mode on</string>
-    <string name="need_relaunch">Require restart this app</string>
 
     <!--AndroidPermission-->
     <string name="permission_READ_EXTERNAL_STORAGE">Read external storage</string>