diff --git a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
index 0d549f183..d381e410b 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/ReadBookActivity.kt
@@ -54,6 +54,7 @@ import org.jetbrains.anko.toast
 
 class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_read_book),
     PageView.CallBack,
+    ReadMenu.Callback,
     ChangeSourceDialog.CallBack,
     ReadBookViewModel.CallBack,
     ColorPickerDialogListener {
@@ -87,12 +88,12 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
 
     override fun onWindowFocusChanged(hasFocus: Boolean) {
         super.onWindowFocusChanged(hasFocus)
-        Help.upSystemUiVisibility(window, !read_menu.isVisible)
+        upSystemUiVisibility()
     }
 
     override fun onResume() {
         super.onResume()
-        Help.upSystemUiVisibility(window, !read_menu.isVisible)
+        upSystemUiVisibility()
         timeElectricityReceiver = TimeElectricityReceiver.register(this)
     }
 
@@ -102,7 +103,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
             unregisterReceiver(it)
             timeElectricityReceiver = null
         }
-        Help.upSystemUiVisibility(window, !read_menu.isVisible)
+        upSystemUiVisibility()
     }
 
     /**
@@ -125,57 +126,6 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
                 startActivity(intent)
             }
         }
-        read_menu.setListener(object : ReadMenu.Callback {
-            override fun setScreenBrightness(value: Int) {
-                this@ReadBookActivity.setScreenBrightness(value)
-            }
-
-            override fun autoPage() {
-
-            }
-
-            override fun skipToPage(page: Int) {
-                viewModel.durPageIndex = page
-                page_view.upContent()
-                curPageChanged()
-            }
-
-            override fun skipPreChapter() {
-                moveToPrevChapter(false)
-                page_view.upContent()
-            }
-
-            override fun skipNextChapter() {
-                moveToNextChapter()
-                page_view.upContent()
-            }
-
-            override fun openReplaceRule() {
-                startActivity<ReplaceRuleActivity>()
-            }
-
-            override fun openChapterList() {
-                viewModel.bookData.value?.let {
-                    startActivity<ChapterListActivity>(Pair("bookUrl", it.bookUrl))
-                }
-            }
-
-            override fun showReadStyle() {
-                ReadStyleDialog().show(supportFragmentManager, "readStyle")
-            }
-
-            override fun showMoreSetting() {
-                MoreConfigDialog().show(supportFragmentManager, "moreConfig")
-            }
-
-            override fun menuShow() {
-                Help.upSystemUiVisibility(window, !read_menu.isVisible)
-            }
-
-            override fun menuHide() {
-                Help.upSystemUiVisibility(window, !read_menu.isVisible)
-            }
-        })
     }
 
     fun showPaddingConfig() {
@@ -445,6 +395,38 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
         }
     }
 
+    override fun autoPage() {
+
+    }
+
+    override fun skipToPage(page: Int) {
+        viewModel.durPageIndex = page
+        page_view.upContent()
+        curPageChanged()
+    }
+
+    override fun openReplaceRule() {
+        startActivity<ReplaceRuleActivity>()
+    }
+
+    override fun openChapterList() {
+        viewModel.bookData.value?.let {
+            startActivity<ChapterListActivity>(Pair("bookUrl", it.bookUrl))
+        }
+    }
+
+    override fun showReadStyle() {
+        ReadStyleDialog().show(supportFragmentManager, "readStyle")
+    }
+
+    override fun showMoreSetting() {
+        MoreConfigDialog().show(supportFragmentManager, "moreConfig")
+    }
+
+    override fun upSystemUiVisibility() {
+        Help.upSystemUiVisibility(window, !read_menu.isVisible)
+    }
+
     /**
      * 朗读按钮
      */
@@ -479,7 +461,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
     /**
      * 设置屏幕亮度
      */
-    private fun setScreenBrightness(value: Int) {
+    override fun setScreenBrightness(value: Int) {
         var brightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE
         if (this.getPrefBoolean("brightnessAuto").not()) {
             brightness = value.toFloat()
@@ -560,7 +542,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_rea
             }
         }
         observeEvent<Boolean>(Bus.UP_CONFIG) {
-            Help.upSystemUiVisibility(window, !read_menu.isVisible)
+            upSystemUiVisibility()
             page_view.upBg()
             content_view.upStyle()
             page_view.upStyle()
diff --git a/app/src/main/java/io/legado/app/ui/readbook/ReadMenu.kt b/app/src/main/java/io/legado/app/ui/readbook/ReadMenu.kt
index 630735701..362059afc 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/ReadMenu.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/ReadMenu.kt
@@ -17,9 +17,8 @@ import kotlinx.android.synthetic.main.view_read_menu.view.*
 import org.jetbrains.anko.sdk27.listeners.onClick
 
 class ReadMenu : FrameLayout {
-
-    private var callback: Callback? = null
     var cnaShowMenu: Boolean = false
+    private var callback: Callback? = null
     private lateinit var menuTopIn: Animation
     private lateinit var menuTopOut: Animation
     private lateinit var menuBottomIn: Animation
@@ -37,6 +36,7 @@ class ReadMenu : FrameLayout {
     )
 
     init {
+        callback = activity as? Callback
         inflate(context, R.layout.view_read_menu, this)
         if (context.isNightTheme) {
             fabNightTheme.setImageResource(R.drawable.ic_daytime)
@@ -48,6 +48,7 @@ class ReadMenu : FrameLayout {
         vwNavigationBar.onClick { }
         seek_brightness.progress = context.getPrefInt("brightness", 100)
         upBrightness()
+        bindEvent()
     }
 
     private fun upBrightness() {
@@ -61,11 +62,6 @@ class ReadMenu : FrameLayout {
         callback?.setScreenBrightness(context.getPrefInt("brightness", 100))
     }
 
-    fun setListener(callback: Callback) {
-        this.callback = callback
-        bindEvent()
-    }
-
     fun runMenuIn() {
         this.visible()
         title_bar.visible()
@@ -138,10 +134,10 @@ class ReadMenu : FrameLayout {
         }
 
         //上一章
-        tv_pre.onClick { callback?.skipPreChapter() }
+        tv_pre.onClick { callback?.moveToPrevChapter(false) }
 
         //下一章
-        tv_next.onClick { callback?.skipNextChapter() }
+        tv_next.onClick { callback?.moveToNextChapter() }
 
         //目录
         ll_catalog.onClick {
@@ -177,7 +173,7 @@ class ReadMenu : FrameLayout {
         menuBottomIn = AnimationUtils.loadAnimation(context, R.anim.anim_readbook_bottom_in)
         menuTopIn.setAnimationListener(object : Animation.AnimationListener {
             override fun onAnimationStart(animation: Animation) {
-                callback?.menuShow()
+                callback?.upSystemUiVisibility()
             }
 
             override fun onAnimationEnd(animation: Animation) {
@@ -211,7 +207,7 @@ class ReadMenu : FrameLayout {
                 bottom_menu.invisible()
                 cnaShowMenu = false
                 onMenuOutEnd?.invoke()
-                callback?.menuHide()
+                callback?.upSystemUiVisibility()
             }
 
             override fun onAnimationRepeat(animation: Animation) {
@@ -234,14 +230,13 @@ class ReadMenu : FrameLayout {
         fun setScreenBrightness(value: Int)
         fun autoPage()
         fun skipToPage(page: Int)
-        fun skipPreChapter()
-        fun skipNextChapter()
+        fun moveToPrevChapter(last: Boolean)
+        fun moveToNextChapter()
         fun openReplaceRule()
         fun openChapterList()
         fun showReadStyle()
         fun showMoreSetting()
-        fun menuShow()
-        fun menuHide()
+        fun upSystemUiVisibility()
     }
 
 }