diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/AutoReadDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/AutoReadDialog.kt
index 11c2fed44..fd2ef2151 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/AutoReadDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/AutoReadDialog.kt
@@ -1,7 +1,6 @@
 package io.legado.app.ui.book.read.config
 
 import android.os.Bundle
-import android.util.DisplayMetrics
 import android.view.*
 import android.widget.SeekBar
 import io.legado.app.R
@@ -20,10 +19,6 @@ class AutoReadDialog : BaseDialogFragment() {
 
     override fun onStart() {
         super.onStart()
-        val dm = DisplayMetrics()
-        activity?.let {
-            it.windowManager?.defaultDisplay?.getMetrics(dm)
-        }
         dialog?.window?.let {
             it.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND)
             it.setBackgroundDrawableResource(R.color.background)
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
index 4b6fa86da..02f7a87c7 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/BgTextConfigDialog.kt
@@ -7,7 +7,6 @@ import android.content.Intent
 import android.graphics.Color
 import android.net.Uri
 import android.os.Bundle
-import android.util.DisplayMetrics
 import android.view.*
 import androidx.documentfile.provider.DocumentFile
 import com.jaredrummler.android.colorpicker.ColorPickerDialog
@@ -54,10 +53,6 @@ class BgTextConfigDialog : BaseDialogFragment(), FileChooserDialog.CallBack {
 
     override fun onStart() {
         super.onStart()
-        val dm = DisplayMetrics()
-        activity?.let {
-            it.windowManager?.defaultDisplay?.getMetrics(dm)
-        }
         dialog?.window?.let {
             it.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND)
             it.setBackgroundDrawableResource(R.color.background)
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 4a3b4bd23..46fbbb215 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
@@ -3,7 +3,6 @@ package io.legado.app.ui.book.read.config
 import android.annotation.SuppressLint
 import android.content.SharedPreferences
 import android.os.Bundle
-import android.util.DisplayMetrics
 import android.view.*
 import android.widget.LinearLayout
 import androidx.fragment.app.DialogFragment
@@ -25,10 +24,6 @@ class MoreConfigDialog : DialogFragment() {
 
     override fun onStart() {
         super.onStart()
-        val dm = DisplayMetrics()
-        activity?.let {
-            it.windowManager?.defaultDisplay?.getMetrics(dm)
-        }
         dialog?.window?.let {
             it.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND)
             it.setBackgroundDrawableResource(R.color.background)
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt
index 3ae466454..cf37d30d2 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/ReadAloudConfigDialog.kt
@@ -32,8 +32,7 @@ class ReadAloudConfigDialog : DialogFragment() {
             it.windowManager?.defaultDisplay?.getMetrics(dm)
         }
         dialog?.window?.let {
-
-        it.setBackgroundDrawableResource(R.color.transparent)
+            it.setBackgroundDrawableResource(R.color.transparent)
             it.setLayout((dm.widthPixels * 0.9).toInt(), ViewGroup.LayoutParams.WRAP_CONTENT)
         }
     }
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 7fcd0f26d..ebd5bae64 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
@@ -1,7 +1,6 @@
 package io.legado.app.ui.book.read.config
 
 import android.os.Bundle
-import android.util.DisplayMetrics
 import android.view.*
 import android.widget.SeekBar
 import io.legado.app.R
@@ -25,10 +24,6 @@ class ReadAloudDialog : BaseDialogFragment() {
 
     override fun onStart() {
         super.onStart()
-        val dm = DisplayMetrics()
-        activity?.let {
-            it.windowManager?.defaultDisplay?.getMetrics(dm)
-        }
         dialog?.window?.let {
             it.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND)
             it.setBackgroundDrawableResource(R.color.background)
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 0b9923115..ef5d6d000 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
@@ -3,7 +3,6 @@ package io.legado.app.ui.book.read.config
 import android.annotation.SuppressLint
 import android.content.DialogInterface
 import android.os.Bundle
-import android.util.DisplayMetrics
 import android.view.*
 import androidx.core.view.get
 import io.legado.app.R
@@ -36,10 +35,6 @@ class ReadStyleDialog : BaseDialogFragment(), FontSelectDialog.CallBack {
 
     override fun onStart() {
         super.onStart()
-        val dm = DisplayMetrics()
-        activity?.let {
-            it.windowManager?.defaultDisplay?.getMetrics(dm)
-        }
         dialog?.window?.let {
             it.clearFlags(WindowManager.LayoutParams.FLAG_DIM_BEHIND)
             it.setBackgroundDrawableResource(R.color.background)
diff --git a/app/src/main/java/io/legado/app/ui/book/read/config/TipConfigDialog.kt b/app/src/main/java/io/legado/app/ui/book/read/config/TipConfigDialog.kt
index 583afb4d4..86d7ca7f9 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/config/TipConfigDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/config/TipConfigDialog.kt
@@ -1,7 +1,6 @@
 package io.legado.app.ui.book.read.config
 
 import android.os.Bundle
-import android.util.DisplayMetrics
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -19,10 +18,6 @@ class TipConfigDialog : BaseDialogFragment() {
 
     override fun onStart() {
         super.onStart()
-        val dm = DisplayMetrics()
-        activity?.let {
-            it.windowManager?.defaultDisplay?.getMetrics(dm)
-        }
         dialog?.window
             ?.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)
     }