diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt
index 9b975e7e8..9d8ea8ba8 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/MoreConfigDialog.kt
@@ -16,6 +16,7 @@ import io.legado.app.constant.EventBus
 import io.legado.app.constant.PreferKey
 import io.legado.app.help.ReadBookConfig
 import io.legado.app.lib.theme.ATH
+import io.legado.app.lib.theme.bottomBackground
 import io.legado.app.ui.book.read.Help
 import io.legado.app.utils.getPrefBoolean
 import io.legado.app.utils.postEvent
@@ -47,7 +48,7 @@ class MoreConfigDialog : DialogFragment() {
         savedInstanceState: Bundle?
     ): View? {
         val view = LinearLayout(context)
-        view.setBackgroundResource(R.color.background)
+        view.setBackgroundColor(requireContext().bottomBackground)
         view.id = R.id.tag1
         container?.addView(view)
         return view
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudDialog.kt
index 6040c0880..8cce7d4d2 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudDialog.kt
@@ -11,6 +11,7 @@ import androidx.fragment.app.DialogFragment
 import io.legado.app.R
 import io.legado.app.constant.EventBus
 import io.legado.app.help.AppConfig
+import io.legado.app.lib.theme.bottomBackground
 import io.legado.app.service.BaseReadAloudService
 import io.legado.app.service.help.ReadAloud
 import io.legado.app.service.help.ReadBook
@@ -54,6 +55,7 @@ class ReadAloudDialog : DialogFragment() {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         super.onViewCreated(view, savedInstanceState)
+        ll_bottom_bg.setBackgroundColor(requireContext().bottomBackground)
         initData()
         initOnChange()
         initOnClick()
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt
index 996eaa25c..f7355534a 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/ReadStyleDialog.kt
@@ -14,6 +14,7 @@ import io.legado.app.constant.PreferKey
 import io.legado.app.help.ReadBookConfig
 import io.legado.app.lib.dialogs.selector
 import io.legado.app.lib.theme.accentColor
+import io.legado.app.lib.theme.bottomBackground
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.ui.book.read.Help
 import io.legado.app.ui.book.read.ReadBookActivity
@@ -71,6 +72,7 @@ class ReadStyleDialog : DialogFragment(), FontSelectDialog.CallBack {
     }
 
     private fun initView() {
+        root_view.setBackgroundColor(requireContext().bottomBackground)
         dsb_text_size.valueFormat = {
             (it + 5).toString()
         }
diff --git a/app/src/main/res/layout/dialog_read_aloud.xml b/app/src/main/res/layout/dialog_read_aloud.xml
index ea04696d4..627bd9414 100644
--- a/app/src/main/res/layout/dialog_read_aloud.xml
+++ b/app/src/main/res/layout/dialog_read_aloud.xml
@@ -60,6 +60,7 @@
     <View style="@style/Style.Shadow.Bottom" />
 
     <LinearLayout
+        android:id="@+id/ll_bottom_bg"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:background="@color/background_menu"
diff --git a/app/src/main/res/layout/dialog_read_book_style.xml b/app/src/main/res/layout/dialog_read_book_style.xml
index 2e6c05061..42b79b97d 100644
--- a/app/src/main/res/layout/dialog_read_book_style.xml
+++ b/app/src/main/res/layout/dialog_read_book_style.xml
@@ -2,6 +2,7 @@
 <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/root_view"
     android:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"