diff --git a/app/src/main/java/io/legado/app/constant/PreferKey.kt b/app/src/main/java/io/legado/app/constant/PreferKey.kt
index 121329c5b..396879d07 100644
--- a/app/src/main/java/io/legado/app/constant/PreferKey.kt
+++ b/app/src/main/java/io/legado/app/constant/PreferKey.kt
@@ -178,6 +178,7 @@ object PreferKey {
     const val disableMangaScale = "disableMangaScale"
     const val firebaseEnable = "firebaseEnable"
     const val cPrimary = "colorPrimary"
+    const val customContrast = "customContrast"
     const val cAccent = "colorAccent"
     const val customMode = "customMode"
     const val paletteStyle = "paletteStyle"
diff --git a/app/src/main/java/io/legado/app/ui/config/themeConfig/ThemeConfig.kt b/app/src/main/java/io/legado/app/ui/config/themeConfig/ThemeConfig.kt
index c9436dbb2..c527320ee 100644
--- a/app/src/main/java/io/legado/app/ui/config/themeConfig/ThemeConfig.kt
+++ b/app/src/main/java/io/legado/app/ui/config/themeConfig/ThemeConfig.kt
@@ -47,6 +47,10 @@ object ThemeConfig {
         postEvent(EventBus.RECREATE, "")
     }
 
+    var customContrast by prefDelegate(PreferKey.customContrast, "Default") {
+        postEvent(EventBus.RECREATE, "")
+    }
+
     var launcherIcon by prefDelegate(PreferKey.launcherIcon, "ic_launcher")
 
     var showDiscovery by prefDelegate(PreferKey.showDiscovery, true)
@@ -68,4 +72,4 @@ object ThemeConfig {
     fun hasImageBg(isDark: Boolean): Boolean =
         !(if (isDark) bgImageDark else bgImageLight).isNullOrBlank()
 
-}
\ No newline at end of file
+}
diff --git a/app/src/main/java/io/legado/app/ui/config/themeConfig/ThemeConfigScreen.kt b/app/src/main/java/io/legado/app/ui/config/themeConfig/ThemeConfigScreen.kt
index a8747b89e..bc7ae497d 100644
--- a/app/src/main/java/io/legado/app/ui/config/themeConfig/ThemeConfigScreen.kt
+++ b/app/src/main/java/io/legado/app/ui/config/themeConfig/ThemeConfigScreen.kt
@@ -213,12 +213,12 @@ fun ThemeConfigScreen(
                     onClick = { showLauncherIconPicker = true }
                 )
                 SwitchSettingItem(
-                    title = "预见性返回手势",
-                    description = "启用系统预见性返回手势",
+                    title = stringResource(R.string.predictive_back),
+                    description = stringResource(R.string.predictive_back_summary),
                     checked = ThemeConfig.isPredictiveBackEnabled,
                     onCheckedChange = {
                         ThemeConfig.isPredictiveBackEnabled = it
-                        context.toastOnUi("重启以应用")
+                        context.toastOnUi(R.string.restart_to_apply)
                     }
                 )
                 SliderSettingItem(
@@ -239,14 +239,14 @@ fun ThemeConfigScreen(
             }
 
             if (selectedTheme == "12") {
-                SplicedColumnGroup(title = "自定义主题") {
+                SplicedColumnGroup(title = stringResource(R.string.custom_theme)) {
                     ClickableSettingItem(
                         title = stringResource(R.string.seed_color),
                         option = if (primaryColorValue.intValue != 0) "#${
                             Integer.toHexString(
                                 primaryColorValue.intValue
                             ).uppercase()
-                        }" else "点击选择",
+                        }" else stringResource(R.string.click_to_select),
                         onClick = { showColorPicker = true },
                         trailingContent = {
                             if (primaryColorValue.intValue != 0) {
@@ -271,6 +271,13 @@ fun ThemeConfigScreen(
                         entryValues = stringArrayResource(R.array.paletteStyle_value),
                         onValueChange = { ThemeConfig.paletteStyle = it }
                     )
+                    DropdownListSettingItem(
+                        title = stringResource(R.string.preferred_contrast),
+                        selectedValue = ThemeConfig.customContrast,
+                        displayEntries = stringArrayResource(R.array.customContrast),
+                        entryValues = stringArrayResource(R.array.customContrast_value),
+                        onValueChange = { ThemeConfig.customContrast = it }
+                    )
                 }
             }
 
@@ -325,9 +332,9 @@ fun ThemeConfigScreen(
                 )
             }
 
-            SplicedColumnGroup(title = "Compose 相关") {
+            SplicedColumnGroup(title = stringResource(R.string.compose_related)) {
                 SwitchSettingItem(
-                    title = "使用折叠应用栏",
+                    title = stringResource(R.string.use_flexible_top_bar),
                     checked = ThemeConfig.useFlexibleTopAppBar,
                     onCheckedChange = { ThemeConfig.useFlexibleTopAppBar = it }
                 )
@@ -469,6 +476,7 @@ fun ThemeConfigScreen(
             }
         )
     }
+
 }
 
 @OptIn(ExperimentalMaterial3ExpressiveApi::class)
diff --git a/app/src/main/java/io/legado/app/ui/theme/CustomColorScheme.kt b/app/src/main/java/io/legado/app/ui/theme/CustomColorScheme.kt
index 0ec59d6a6..d66972174 100644
--- a/app/src/main/java/io/legado/app/ui/theme/CustomColorScheme.kt
+++ b/app/src/main/java/io/legado/app/ui/theme/CustomColorScheme.kt
@@ -1,30 +1,16 @@
 package io.legado.app.ui.theme
 
-import android.app.UiModeManager
-import android.content.Context
-import android.os.Build
 import androidx.compose.material3.ColorScheme
 import androidx.compose.ui.graphics.Color
-import androidx.core.content.getSystemService
-import com.materialkolor.Contrast
 import com.materialkolor.PaletteStyle
 import com.materialkolor.dynamicColorScheme
 
 class CustomColorScheme(
-    context: Context,
     seed: Int,
     style: PaletteStyle,
 ) : BaseColorScheme() {
 
-    private val contrastLevel: Double =
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
-            context.getSystemService<UiModeManager>()
-                ?.contrast
-                ?.toDouble()
-                ?: Contrast.Default.value
-        } else {
-            Contrast.Default.value
-        }
+    private val contrastLevel: Double = ThemeResolver.resolveContrastLevel()
 
     override val lightScheme: ColorScheme = dynamicColorScheme(
         seedColor = Color(seed),
diff --git a/app/src/main/java/io/legado/app/ui/theme/ThemeManager.kt b/app/src/main/java/io/legado/app/ui/theme/ThemeManager.kt
index c4de80e21..c2fd91861 100644
--- a/app/src/main/java/io/legado/app/ui/theme/ThemeManager.kt
+++ b/app/src/main/java/io/legado/app/ui/theme/ThemeManager.kt
@@ -65,7 +65,7 @@ object ThemeManager {
             }
 
             AppThemeMode.CUSTOM -> {
-                CustomColorScheme(context, context.primaryColor, style)
+                CustomColorScheme(context.primaryColor, style)
                     .getColorScheme(darkTheme)
             }
 
diff --git a/app/src/main/java/io/legado/app/ui/theme/ThemeResolver.kt b/app/src/main/java/io/legado/app/ui/theme/ThemeResolver.kt
index e84c37f83..a392cef7a 100644
--- a/app/src/main/java/io/legado/app/ui/theme/ThemeResolver.kt
+++ b/app/src/main/java/io/legado/app/ui/theme/ThemeResolver.kt
@@ -1,6 +1,8 @@
 package io.legado.app.ui.theme
 
+import com.materialkolor.Contrast
 import com.materialkolor.PaletteStyle
+import io.legado.app.ui.config.themeConfig.ThemeConfig
 
 object ThemeResolver {
 
@@ -37,4 +39,12 @@ object ThemeResolver {
         }
     }
 
+    fun resolveContrastLevel(): Double {
+        return try {
+            Contrast.valueOf(ThemeConfig.customContrast).value
+        } catch (e: Exception) {
+            Contrast.Default.value
+        }
+    }
+
 }
diff --git a/app/src/main/res/values-zh-rCN/arrays.xml b/app/src/main/res/values-zh-rCN/arrays.xml
index cea6fa5e8..cb0015f52 100644
--- a/app/src/main/res/values-zh-rCN/arrays.xml
+++ b/app/src/main/res/values-zh-rCN/arrays.xml
@@ -214,5 +214,11 @@
         <item>仅封面</item>
     </string-array>
 
+    <string-array name="customContrast">
+        <item>默认</item>
+        <item>较强</item>
+        <item>最强</item>
+    </string-array>
+
     <string name="all_version">所有版本</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index a9e8c36c6..b420a0a22 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -25,6 +25,24 @@
     <string name="tip_cannot_jump_setting_page">无法跳转至设置界面</string>
 
     <string name="manual_input">手动输入</string>
+    <string name="preferred_contrast">偏好对比度</string>
+    <string name="contrast_source_system_summary">来源：系统对比度</string>
+    <string name="contrast_source_manual_summary">来源：手动输入</string>
+    <string name="current_effective_contrast">当前生效值：%1$s</string>
+    <string name="system_contrast_value">系统对比度：%1$s</string>
+    <string name="system_contrast">系统对比度</string>
+    <string name="manual_contrast_value_label">手动值 [-1, 1]</string>
+    <string name="manual_contrast_invalid">请输入 -1 到 1 之间的有效数字</string>
+    <string name="predictive_back">预见性返回手势</string>
+    <string name="predictive_back_summary">启用系统预见性返回手势</string>
+    <string name="restart_to_apply">重启以应用</string>
+    <string name="custom_theme">自定义主题</string>
+    <string name="click_to_select">点击选择</string>
+    <string name="compose_related">Compose 相关</string>
+    <string name="use_flexible_top_bar">使用折叠应用栏</string>
+    <string name="slider">滑块</string>
+    <string name="input">输入</string>
+    <string name="manual_contrast_value_template">手动值：%1$s</string>
     <string name="enter_directory_path">请输入目录路径</string>
     <string name="invalid_directory">目录路径无效</string>
     <string name="empty_directory_input">目录路径不能为空</string>
@@ -1390,4 +1408,4 @@
     <string name="enable_select_vibrator">选择文本时震动</string>
     <string name="re_sync_webdav">重新同步远程书籍</string>
     <string name="underline_padding">离字间距</string>
-</resources>
\ No newline at end of file
+</resources>
diff --git a/app/src/main/res/values/array_values.xml b/app/src/main/res/values/array_values.xml
index aedd13258..28fce4cd8 100644
--- a/app/src/main/res/values/array_values.xml
+++ b/app/src/main/res/values/array_values.xml
@@ -131,4 +131,10 @@
         <item>3</item>
     </string-array>
 
+    <string-array name="customContrast_value">
+        <item>Default</item>
+        <item>Medium</item>
+        <item>High</item>
+    </string-array>
+
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index 6dc424b80..7007950a2 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -299,5 +299,11 @@
 		<item>Unlabeled</item>
 	</string-array>
 
+	<string-array name="customContrast">
+		<item>Default</item>
+		<item>High</item>
+		<item>Maximum</item>
+	</string-array>
+
 	<string name="all_version">所有版本</string>
 </resources>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a5e8782f4..208e33ff3 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -26,6 +26,24 @@
     <string name="tip_cannot_jump_setting_page">Cannot jump to Settings.</string>
 
     <string name="manual_input">Manual Input</string>
+    <string name="preferred_contrast">Preferred contrast</string>
+    <string name="contrast_source_system_summary">Source: System contrast</string>
+    <string name="contrast_source_manual_summary">Source: Manual input</string>
+    <string name="current_effective_contrast">Current effective value: %1$s</string>
+    <string name="system_contrast_value">System contrast: %1$s</string>
+    <string name="system_contrast">System contrast</string>
+    <string name="manual_contrast_value_label">Manual value [-1, 1]</string>
+    <string name="manual_contrast_invalid">Enter a valid number between -1 and 1</string>
+    <string name="predictive_back">Predictive Back Gestures</string>
+    <string name="predictive_back_summary">Enable system predictive back gestures</string>
+    <string name="restart_to_apply">Restart to apply</string>
+    <string name="custom_theme">Custom Theme</string>
+    <string name="click_to_select">Click to select</string>
+    <string name="compose_related">Compose Related</string>
+    <string name="use_flexible_top_bar">Use flexible top app bar</string>
+    <string name="slider">Slider</string>
+    <string name="input">Input</string>
+    <string name="manual_contrast_value_template">Manual value: %1$s</string>
     <string name="enter_directory_path">Enter directory path</string>
     <string name="invalid_directory">Invalid directory path</string>
     <string name="empty_directory_input">Directory path cannot be empty</string>