diff --git a/app/src/main/java/io/legado/app/ui/main/MainActivity.kt b/app/src/main/java/io/legado/app/ui/main/MainActivity.kt
index d1cd2dea4..604c8c273 100644
--- a/app/src/main/java/io/legado/app/ui/main/MainActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/main/MainActivity.kt
@@ -19,6 +19,7 @@ import io.legado.app.help.AppConfig
 import io.legado.app.help.BookHelp
 import io.legado.app.help.storage.Backup
 import io.legado.app.lib.theme.ATH
+import io.legado.app.lib.theme.elevation
 import io.legado.app.service.BaseReadAloudService
 import io.legado.app.ui.main.bookshelf.BookshelfFragment
 import io.legado.app.ui.main.explore.ExploreFragment
@@ -47,6 +48,8 @@ class MainActivity : VMBaseActivity<MainViewModel>(R.layout.activity_main),
         view_pager_main.offscreenPageLimit = 3
         view_pager_main.adapter = TabFragmentPageAdapter(supportFragmentManager)
         view_pager_main.addOnPageChangeListener(this)
+        bottom_navigation_view.elevation =
+            if (AppConfig.elevation < 0) elevation else AppConfig.elevation.toFloat()
         bottom_navigation_view.setOnNavigationItemSelectedListener(this)
         bottom_navigation_view.setOnNavigationItemReselectedListener(this)
         bottom_navigation_view.menu.findItem(R.id.menu_rss).isVisible = AppConfig.isShowRSS
diff --git a/app/src/main/java/io/legado/app/ui/widget/SelectActionBar.kt b/app/src/main/java/io/legado/app/ui/widget/SelectActionBar.kt
index 4bef4c53d..7cba90778 100644
--- a/app/src/main/java/io/legado/app/ui/widget/SelectActionBar.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/SelectActionBar.kt
@@ -9,9 +9,9 @@ import androidx.annotation.MenuRes
 import androidx.annotation.StringRes
 import androidx.appcompat.widget.PopupMenu
 import io.legado.app.R
+import io.legado.app.help.AppConfig
 import io.legado.app.lib.theme.*
 import io.legado.app.utils.ColorUtils
-import io.legado.app.utils.dp
 import io.legado.app.utils.visible
 import kotlinx.android.synthetic.main.view_select_action_bar.view.*
 import org.jetbrains.anko.sdk27.listeners.onClick
@@ -22,7 +22,8 @@ class SelectActionBar(context: Context, attrs: AttributeSet?) : FrameLayout(cont
 
     init {
         setBackgroundColor(context.bottomBackground)
-        elevation = 10.dp.toFloat()
+        elevation =
+            if (AppConfig.elevation < 0) context.elevation else AppConfig.elevation.toFloat()
         View.inflate(context, R.layout.view_select_action_bar, this)
         val textIsDark = ColorUtils.isColorLight(context.bottomBackground)
         val primaryTextColor = context.getPrimaryTextColor(textIsDark)
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index abd62d1d7..107f32f54 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -4,21 +4,20 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+    <androidx.viewpager.widget.ViewPager
+        android:id="@+id/view_pager_main"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:layout_constraintBottom_toTopOf="@+id/bottom_navigation_view"
+        app:layout_constraintTop_toTopOf="parent" />
+
     <com.google.android.material.bottomnavigation.BottomNavigationView
         android:id="@+id/bottom_navigation_view"
         android:layout_width="match_parent"
         android:layout_height="50dp"
-        android:elevation="10dp"
         android:background="@color/background"
         app:labelVisibilityMode="unlabeled"
         app:menu="@menu/main_bnv"
         app:layout_constraintBottom_toBottomOf="parent" />
 
-    <androidx.viewpager.widget.ViewPager
-        android:id="@+id/view_pager_main"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        app:layout_constraintBottom_toTopOf="@+id/bottom_navigation_view"
-        app:layout_constraintTop_toTopOf="parent" />
-
 </androidx.constraintlayout.widget.ConstraintLayout>
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