diff --git a/app/src/main/java/com/bintianqi/owndroid/MainActivity.kt b/app/src/main/java/com/bintianqi/owndroid/MainActivity.kt
index b35ca4e..7f0e837 100644
--- a/app/src/main/java/com/bintianqi/owndroid/MainActivity.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/MainActivity.kt
@@ -48,7 +48,6 @@ import com.bintianqi.owndroid.ui.theme.bgColor
 import kotlinx.coroutines.delay
 
 var backToHome = false
-lateinit var displayMetrics: DisplayMetrics
 @ExperimentalMaterial3Api
 class MainActivity : ComponentActivity() {
     private fun registerActivityResult(){
@@ -75,7 +74,6 @@ class MainActivity : ComponentActivity() {
         WindowCompat.setDecorFitsSystemWindows(window, false)
         super.onCreate(savedInstanceState)
         registerActivityResult()
-        displayMetrics = applicationContext.resources.displayMetrics
         setContent {
             OwnDroidTheme {
                 MyScaffold()
@@ -108,10 +106,10 @@ fun MyScaffold(){
             .background(bgColor)
             .imePadding()
             .pointerInput(Unit) {detectTapGestures(onTap = {focusMgr.clearFocus()})},
-        enterTransition = Animations().navHostEnterTransition,
-        exitTransition = Animations().navHostExitTransition,
-        popEnterTransition = Animations().navHostPopEnterTransition,
-        popExitTransition = Animations().navHostPopExitTransition
+        enterTransition = Animations.navHostEnterTransition,
+        exitTransition = Animations.navHostExitTransition,
+        popEnterTransition = Animations.navHostPopEnterTransition,
+        popExitTransition = Animations.navHostPopExitTransition
     ){
         composable(route = "HomePage", content = { HomePage(navCtrl)})
         composable(route = "SystemManage", content = { SystemManage(navCtrl) })
diff --git a/app/src/main/java/com/bintianqi/owndroid/Setting.kt b/app/src/main/java/com/bintianqi/owndroid/Setting.kt
index 865d909..4d7ab9f 100644
--- a/app/src/main/java/com/bintianqi/owndroid/Setting.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/Setting.kt
@@ -47,10 +47,10 @@ fun AppSetting(navCtrl:NavHostController){
     ){
         NavHost(
             navController = localNavCtrl, startDestination = "Home",
-            enterTransition = Animations().navHostEnterTransition,
-            exitTransition = Animations().navHostExitTransition,
-            popEnterTransition = Animations().navHostPopEnterTransition,
-            popExitTransition = Animations().navHostPopExitTransition,
+            enterTransition = Animations.navHostEnterTransition,
+            exitTransition = Animations.navHostExitTransition,
+            popEnterTransition = Animations.navHostPopEnterTransition,
+            popExitTransition = Animations.navHostPopExitTransition,
             modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl)}
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 4bc7b28..5d760e4 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/ApplicationManage.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/ApplicationManage.kt
@@ -122,10 +122,10 @@ fun ApplicationManage(navCtrl:NavHostController){
             }
             NavHost(
                 navController = localNavCtrl, startDestination = "Home",
-                enterTransition = Animations().navHostEnterTransition,
-                exitTransition = Animations().navHostExitTransition,
-                popEnterTransition = Animations().navHostPopEnterTransition,
-                popExitTransition = Animations().navHostPopExitTransition,
+                enterTransition = Animations.navHostEnterTransition,
+                exitTransition = Animations.navHostExitTransition,
+                popEnterTransition = Animations.navHostPopEnterTransition,
+                popExitTransition = Animations.navHostPopExitTransition,
                 modifier = Modifier.background(bgColor)
             ){
                 composable(route = "Home"){Home(localNavCtrl,pkgName)}
@@ -253,7 +253,7 @@ private fun UserCtrlDisabledPkg(pkgName:String){
         Text(text = stringResource(R.string.ucd_desc))
         Spacer(Modifier.padding(vertical = 5.dp))
         Text(text = stringResource(R.string.app_list_is))
-        SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize(Animations().animateListSize)){
+        SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize()){
             Text(text = if(listText==""){stringResource(R.string.none)}else{listText})
         }
         Spacer(Modifier.padding(vertical = 5.dp))
@@ -437,7 +437,7 @@ private fun CrossProfilePkg(pkgName: String){
         }
         LaunchedEffect(Unit){refresh()}
         Text(text = stringResource(R.string.app_list_is))
-        SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize(Animations().animateListSize)){
+        SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize()){
             Text(text = if(list==""){stringResource(R.string.none)}else{list})
         }
         Row(modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.SpaceBetween){
@@ -485,7 +485,7 @@ private fun CrossProfileWidget(pkgName: String){
         Text(text = stringResource(R.string.cross_profile_widget), style = typography.headlineLarge)
         Spacer(Modifier.padding(vertical = 5.dp))
         Text(text = stringResource(R.string.app_list_is))
-        SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize(Animations().animateListSize)){
+        SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize()){
             Text(text = if(list==""){stringResource(R.string.none)}else{list})
         }
         Spacer(Modifier.padding(vertical = 5.dp))
@@ -611,7 +611,7 @@ private fun PermittedAccessibility(pkgName: String){
         }
         Spacer(Modifier.padding(vertical = 5.dp))
         Text(text = stringResource(R.string.app_list_is))
-        SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize(Animations().animateListSize)){
+        SelectionContainer(modifier = Modifier.horizontalScroll(rememberScrollState()).animateContentSize()){
             Text(text = if(listText==""){stringResource(R.string.none)}else{listText})
         }
         Spacer(Modifier.padding(vertical = 5.dp))
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 6138fb1..f80db86 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/ManagedProfile.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/ManagedProfile.kt
@@ -61,10 +61,10 @@ fun ManagedProfile(navCtrl: NavHostController) {
     ){
         NavHost(
             navController = localNavCtrl, startDestination = "Home",
-            enterTransition = Animations().navHostEnterTransition,
-            exitTransition = Animations().navHostExitTransition,
-            popEnterTransition = Animations().navHostPopEnterTransition,
-            popExitTransition = Animations().navHostPopExitTransition,
+            enterTransition = Animations.navHostEnterTransition,
+            exitTransition = Animations.navHostExitTransition,
+            popEnterTransition = Animations.navHostPopEnterTransition,
+            popExitTransition = Animations.navHostPopExitTransition,
             modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl)}
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 476f437..29930f2 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/Network.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/Network.kt
@@ -82,10 +82,10 @@ fun Network(navCtrl: NavHostController){
     ){
         NavHost(
             navController = localNavCtrl, startDestination = "Home",
-            enterTransition = Animations().navHostEnterTransition,
-            exitTransition = Animations().navHostExitTransition,
-            popEnterTransition = Animations().navHostPopEnterTransition,
-            popExitTransition = Animations().navHostPopExitTransition,
+            enterTransition = Animations.navHostEnterTransition,
+            exitTransition = Animations.navHostExitTransition,
+            popEnterTransition = Animations.navHostPopEnterTransition,
+            popExitTransition = Animations.navHostPopExitTransition,
             modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl,scrollState)}
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 427d041..1d16d46 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/Password.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/Password.kt
@@ -74,10 +74,10 @@ fun Password(navCtrl: NavHostController){
     ){
         NavHost(
             navController = localNavCtrl, startDestination = "Home",
-            enterTransition = Animations().navHostEnterTransition,
-            exitTransition = Animations().navHostExitTransition,
-            popEnterTransition = Animations().navHostPopEnterTransition,
-            popExitTransition = Animations().navHostPopExitTransition,
+            enterTransition = Animations.navHostEnterTransition,
+            exitTransition = Animations.navHostExitTransition,
+            popEnterTransition = Animations.navHostPopEnterTransition,
+            popExitTransition = Animations.navHostPopExitTransition,
             modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl,scrollState)}
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 8e9b245..32da9b9 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/Permissions.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/Permissions.kt
@@ -78,10 +78,10 @@ fun DpmPermissions(navCtrl:NavHostController){
     ){
         NavHost(
             navController = localNavCtrl, startDestination = "Home",
-            enterTransition = Animations().navHostEnterTransition,
-            exitTransition = Animations().navHostExitTransition,
-            popEnterTransition = Animations().navHostPopEnterTransition,
-            popExitTransition = Animations().navHostPopExitTransition,
+            enterTransition = Animations.navHostEnterTransition,
+            exitTransition = Animations.navHostExitTransition,
+            popEnterTransition = Animations.navHostPopEnterTransition,
+            popExitTransition = Animations.navHostPopExitTransition,
             modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl,scrollState)}
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 994703b..c5e44e9 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/SystemManager.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/SystemManager.kt
@@ -88,10 +88,10 @@ fun SystemManage(navCtrl:NavHostController){
     ){
         NavHost(
             navController = localNavCtrl, startDestination = "Home",
-            enterTransition = Animations().navHostEnterTransition,
-            exitTransition = Animations().navHostExitTransition,
-            popEnterTransition = Animations().navHostPopEnterTransition,
-            popExitTransition = Animations().navHostPopExitTransition,
+            enterTransition = Animations.navHostEnterTransition,
+            exitTransition = Animations.navHostExitTransition,
+            popEnterTransition = Animations.navHostPopEnterTransition,
+            popExitTransition = Animations.navHostPopExitTransition,
             modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl,scrollState)}
@@ -547,7 +547,7 @@ private fun LockTaskFeatures(){
         }
         LaunchedEffect(Unit){refreshWhitelist()}
         Text(text = stringResource(R.string.whitelist_app), style = typography.titleLarge)
-        SelectionContainer(modifier = Modifier.animateContentSize(Animations().animateListSize)){
+        SelectionContainer(modifier = Modifier.animateContentSize()){
             Text(text = if(listText==""){ stringResource(R.string.none) }else{listText})
         }
         OutlinedTextField(
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 9a52ffc..29ff085 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/UserManager.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/UserManager.kt
@@ -82,10 +82,10 @@ fun UserManage(navCtrl:NavHostController) {
     ){
         NavHost(
             navController = localNavCtrl, startDestination = "Home",
-            enterTransition = Animations().navHostEnterTransition,
-            exitTransition = Animations().navHostExitTransition,
-            popEnterTransition = Animations().navHostPopEnterTransition,
-            popExitTransition = Animations().navHostPopExitTransition,
+            enterTransition = Animations.navHostEnterTransition,
+            exitTransition = Animations.navHostExitTransition,
+            popEnterTransition = Animations.navHostPopEnterTransition,
+            popExitTransition = Animations.navHostPopExitTransition,
             modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
         ){
             composable(route = "Home"){Home(localNavCtrl,scrollState)}
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 7d65311..77e0522 100644
--- a/app/src/main/java/com/bintianqi/owndroid/dpm/UserRestriction.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/dpm/UserRestriction.kt
@@ -80,10 +80,10 @@ fun UserRestriction(navCtrl: NavHostController){
     ){
         NavHost(
             navController = localNavCtrl, startDestination = "Home",
-            enterTransition = Animations().navHostEnterTransition,
-            exitTransition = Animations().navHostExitTransition,
-            popEnterTransition = Animations().navHostPopEnterTransition,
-            popExitTransition = Animations().navHostPopExitTransition,
+            enterTransition = Animations.navHostEnterTransition,
+            exitTransition = Animations.navHostExitTransition,
+            popEnterTransition = Animations.navHostPopEnterTransition,
+            popExitTransition = Animations.navHostPopExitTransition,
             modifier = Modifier.background(bgColor).padding(top = it.calculateTopPadding())
         ){
             composable(route = "Internet"){Internet()}
diff --git a/app/src/main/java/com/bintianqi/owndroid/ui/Animations.kt b/app/src/main/java/com/bintianqi/owndroid/ui/Animations.kt
index 4ba6ea4..d6fbe40 100644
--- a/app/src/main/java/com/bintianqi/owndroid/ui/Animations.kt
+++ b/app/src/main/java/com/bintianqi/owndroid/ui/Animations.kt
@@ -1,58 +1,51 @@
 package com.bintianqi.owndroid.ui
 
 import androidx.compose.animation.*
-import androidx.compose.animation.core.FiniteAnimationSpec
-import androidx.compose.animation.core.Spring
-import androidx.compose.animation.core.VisibilityThreshold
-import androidx.compose.animation.core.spring
+import androidx.compose.animation.core.*
 import androidx.compose.ui.unit.IntOffset
-import androidx.compose.ui.unit.IntSize
 import androidx.navigation.NavBackStackEntry
-import com.bintianqi.owndroid.displayMetrics
 
-class Animations{
-    private val fade: FiniteAnimationSpec<Float> = spring(stiffness = Spring.StiffnessMediumLow)
-    private val spring:FiniteAnimationSpec<IntOffset> = spring(stiffness = Spring.StiffnessMediumLow, visibilityThreshold = IntOffset.VisibilityThreshold)
-    
-    val animateListSize:FiniteAnimationSpec<IntSize> = spring(stiffness = Spring.StiffnessMediumLow, visibilityThreshold = IntSize.VisibilityThreshold)
-    
-    private val screenWidth = displayMetrics.widthPixels
-    private val initialOffsetValue = screenWidth/10
-    private val targetOffsetValue = screenWidth/10
+object Animations{
+    private const val INITIAL_OFFSET_VALUE = 96
+    private const val TARGET_OFFSET_VALUE = 96
+
+    private val bezier = CubicBezierEasing(0.4f, 0f, 0f, 1f)
+
+    private val tween: FiniteAnimationSpec<IntOffset> = tween(450, easing = bezier)
     
     val navHostEnterTransition: AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition = {
-        fadeIn(animationSpec = fade) +
+        fadeIn(tween(83, easing = LinearEasing)) +
         slideIntoContainer(
-            animationSpec = spring,
+            animationSpec = tween,
             towards = AnimatedContentTransitionScope.SlideDirection.End,
-            initialOffset = {initialOffsetValue}
+            initialOffset = {INITIAL_OFFSET_VALUE}
         )
     }
     
     val navHostExitTransition: AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition = {
-        fadeOut(animationSpec = fade) +
+        fadeOut(tween(83, easing = LinearEasing)) +
         slideOutOfContainer(
-            animationSpec = spring,
+            animationSpec = tween,
             towards = AnimatedContentTransitionScope.SlideDirection.Start,
-            targetOffset = {-targetOffsetValue}
+            targetOffset = {-TARGET_OFFSET_VALUE}
         )
     }
     
     val navHostPopEnterTransition: AnimatedContentTransitionScope<NavBackStackEntry>.() -> EnterTransition = {
-        fadeIn(animationSpec = fade) +
+        fadeIn(tween(83, easing = LinearEasing)) +
         slideIntoContainer(
-            animationSpec = spring,
+            animationSpec = tween,
             towards = AnimatedContentTransitionScope.SlideDirection.End,
-            initialOffset = {-initialOffsetValue}
+            initialOffset = {-INITIAL_OFFSET_VALUE}
         )
     }
     
     val navHostPopExitTransition: AnimatedContentTransitionScope<NavBackStackEntry>.() -> ExitTransition = {
-        fadeOut(animationSpec = fade) +
+        fadeOut(tween(83, easing = LinearEasing)) +
         slideOutOfContainer(
-            animationSpec = spring,
+            animationSpec = tween,
             towards = AnimatedContentTransitionScope.SlideDirection.Start,
-            targetOffset = {targetOffsetValue}
+            targetOffset = {TARGET_OFFSET_VALUE}
         )
     }