diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
index fe21c3b40..22cf977c3 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
@@ -125,6 +125,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
 
     override fun onConfigurationChanged(newConfig: Configuration) {
         super.onConfigurationChanged(newConfig)
+        page_view.upStatusBar()
         ReadBook.loadContent(resetPageOffset = false)
     }
 
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 325279977..583afb4d4 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
@@ -10,7 +10,6 @@ import io.legado.app.base.BaseDialogFragment
 import io.legado.app.constant.EventBus
 import io.legado.app.help.ReadTipConfig
 import io.legado.app.lib.dialogs.selector
-import io.legado.app.ui.book.read.ReadBookActivityHelp
 import io.legado.app.utils.postEvent
 import kotlinx.android.synthetic.main.dialog_tip_config.*
 import org.jetbrains.anko.sdk27.listeners.onCheckedChange
@@ -24,11 +23,8 @@ class TipConfigDialog : BaseDialogFragment() {
         activity?.let {
             it.windowManager?.defaultDisplay?.getMetrics(dm)
         }
-        dialog?.window?.let {
-            ReadBookActivityHelp.upSystemUiVisibility(it)
-            it.setLayout(ViewGroup.LayoutParams.MATCH_PARENT,
-                ViewGroup.LayoutParams.WRAP_CONTENT)
-        }
+        dialog?.window
+            ?.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)
     }
 
     override fun onCreateView(
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/ContentView.kt b/app/src/main/java/io/legado/app/ui/book/read/page/ContentView.kt
index 66333c901..e89ee5ae8 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/ContentView.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/ContentView.kt
@@ -7,17 +7,16 @@ import android.widget.FrameLayout
 import androidx.core.view.isGone
 import androidx.core.view.isInvisible
 import io.legado.app.R
+import io.legado.app.base.BaseActivity
 import io.legado.app.constant.AppConst.timeFormat
 import io.legado.app.help.ReadBookConfig
 import io.legado.app.help.ReadTipConfig
 import io.legado.app.ui.book.read.page.entities.TextPage
 import io.legado.app.ui.book.read.page.provider.ChapterProvider
 import io.legado.app.ui.widget.BatteryView
-import io.legado.app.utils.dp
-import io.legado.app.utils.getCompatColor
-import io.legado.app.utils.statusBarHeight
-import io.legado.app.utils.visible
+import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.view_book_page.view.*
+import org.jetbrains.anko.topPadding
 import java.util.*
 
 
@@ -65,9 +64,7 @@ class ContentView(context: Context) : FrameLayout(context) {
             tv_footer_left.setColor(textColor)
             tv_footer_middle.setColor(textColor)
             tv_footer_right.setColor(textColor)
-            //显示状态栏时隐藏header
-            vw_status_bar.setPadding(0, context.statusBarHeight, 0, 0)
-            vw_status_bar.isGone = hideStatusBar
+            upStatusBar()
             ll_header.setPadding(
                 headerPaddingLeft.dp,
                 headerPaddingTop.dp,
@@ -88,6 +85,15 @@ class ContentView(context: Context) : FrameLayout(context) {
         upBattery(battery)
     }
 
+    /**
+     * 显示状态栏时隐藏header
+     */
+    fun upStatusBar() {
+        vw_status_bar.topPadding = context.statusBarHeight
+        vw_status_bar.isGone =
+            ReadBookConfig.hideStatusBar || (activity as? BaseActivity)?.isInMultiWindow == true
+    }
+
     fun upTipStyle() {
         ReadTipConfig.apply {
             tv_header_left.isInvisible = tipHeaderLeft != chapterTitle
diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/PageView.kt b/app/src/main/java/io/legado/app/ui/book/read/page/PageView.kt
index b2871d38c..3d4d6e266 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/PageView.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/PageView.kt
@@ -85,9 +85,9 @@ class PageView(context: Context, attrs: AttributeSet) :
 
     override fun onSizeChanged(w: Int, h: Int, oldw: Int, oldh: Int) {
         super.onSizeChanged(w, h, oldw, oldh)
+        centerRectF.set(width * 0.33f, height * 0.33f, width * 0.66f, height * 0.66f)
         prevPage.x = -w.toFloat()
         pageDelegate?.setViewSize(w, h)
-        centerRectF.set(width * 0.33f, height * 0.33f, width * 0.66f, height * 0.66f)
         if (oldw != 0 && oldh != 0) {
             ReadBook.loadContent(resetPageOffset = false)
         }
@@ -180,6 +180,12 @@ class PageView(context: Context, attrs: AttributeSet) :
         return true
     }
 
+    fun upStatusBar() {
+        curPage.upStatusBar()
+        prevPage.upStatusBar()
+        nextPage.upStatusBar()
+    }
+
     /**
      * 保存开始位置
      */