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 e82154432..8236536ca 100644
--- a/app/src/main/java/io/legado/app/constant/PreferKey.kt
+++ b/app/src/main/java/io/legado/app/constant/PreferKey.kt
@@ -43,7 +43,6 @@ object PreferKey {
     const val readStyleSelect = "readStyleSelect"
     const val systemTypefaces = "system_typefaces"
     const val readBodyToLh = "readBodyToLh"
-    const val eInkMode = "isEInkMode"
     const val textFullJustify = "textFullJustify"
     const val autoReadSpeed = "autoReadSpeed"
 
diff --git a/app/src/main/java/io/legado/app/help/AppConfig.kt b/app/src/main/java/io/legado/app/help/AppConfig.kt
index 2ebd8f47a..5e98ae482 100644
--- a/app/src/main/java/io/legado/app/help/AppConfig.kt
+++ b/app/src/main/java/io/legado/app/help/AppConfig.kt
@@ -13,6 +13,7 @@ object AppConfig {
         return when (context.getPrefString(PreferKey.themeMode, "0")) {
             "1" -> false
             "2" -> true
+            "3" -> false
             else -> context.sysIsDarkMode()
         }
     }
@@ -27,6 +28,9 @@ object AppConfig {
             }
         }
 
+    val isEInkMode: Boolean
+        get() = App.INSTANCE.getPrefString(PreferKey.themeMode) == "3"
+
     var isTransparentStatusBar: Boolean
         get() = App.INSTANCE.getPrefBoolean("transparentStatusBar")
         set(value) {
@@ -80,9 +84,6 @@ object AppConfig {
     val ttsSpeechPer: String
         get() = App.INSTANCE.getPrefString(PreferKey.ttsSpeechPer) ?: "0"
 
-    val isEInkMode: Boolean
-        get() = App.INSTANCE.getPrefBoolean(PreferKey.eInkMode)
-
     val clickAllNext: Boolean get() = App.INSTANCE.getPrefBoolean(PreferKey.clickAllNext, false)
 
     var chineseConverterType: Int
diff --git a/app/src/main/res/values-zh-rHK/arrays.xml b/app/src/main/res/values-zh-rHK/arrays.xml
index b99ad1992..315f18e35 100644
--- a/app/src/main/res/values-zh-rHK/arrays.xml
+++ b/app/src/main/res/values-zh-rHK/arrays.xml
@@ -20,6 +20,7 @@
         <item>跟隨系統</item>
         <item>亮色主題</item>
         <item>暗色主題</item>
+        <item>E-Ink(墨水屏)</item>
     </string-array>
 
     <string-array name="NavBarColors">
diff --git a/app/src/main/res/values-zh-rTW/arrays.xml b/app/src/main/res/values-zh-rTW/arrays.xml
index 4efd0c56f..5d4e2aaeb 100644
--- a/app/src/main/res/values-zh-rTW/arrays.xml
+++ b/app/src/main/res/values-zh-rTW/arrays.xml
@@ -44,6 +44,7 @@
         <item>跟隨系統</item>
         <item>亮色主題</item>
         <item>暗色主題</item>
+        <item>E-Ink(墨水屏)</item>
     </string-array>
 
     <string-array name="NavBarColors">
diff --git a/app/src/main/res/values/array_values.xml b/app/src/main/res/values/array_values.xml
index 40bc6684e..b6b32fa5b 100644
--- a/app/src/main/res/values/array_values.xml
+++ b/app/src/main/res/values/array_values.xml
@@ -23,6 +23,7 @@
         <item>0</item>
         <item>1</item>
         <item>2</item>
+        <item>3</item>
     </string-array>
 
     <string-array name="tts_speech_per_value">
diff --git a/app/src/main/res/values/arrays.xml b/app/src/main/res/values/arrays.xml
index e8a99ff2a..5b580aeb3 100644
--- a/app/src/main/res/values/arrays.xml
+++ b/app/src/main/res/values/arrays.xml
@@ -44,6 +44,7 @@
         <item>跟随系统</item>
         <item>亮色主题</item>
         <item>暗色主题</item>
+        <item>E-Ink(墨水屏)</item>
     </string-array>
 
     <string-array name="NavBarColors">
diff --git a/app/src/main/res/xml/pref_main.xml b/app/src/main/res/xml/pref_main.xml
index 72a02e97a..37b223d60 100644
--- a/app/src/main/res/xml/pref_main.xml
+++ b/app/src/main/res/xml/pref_main.xml
@@ -30,14 +30,6 @@
         android:icon="@drawable/ic_cfg_theme"
         app:iconSpaceReserved="false" />
 
-    <io.legado.app.ui.widget.prefs.SwitchPreference
-        android:defaultValue="false"
-        android:icon="@drawable/ic_cfg_e_lnk"
-        android:key="isEInkMode"
-        android:summary="@string/eink_theme_desc"
-        android:title="@string/eink_theme"
-        app:iconSpaceReserved="false" />
-
     <io.legado.app.ui.widget.prefs.SwitchPreference
         android:defaultValue="false"
         android:key="webService"