diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt b/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt
index 52176ac4d..cf47dfdef 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/ContentTextView.kt
@@ -114,11 +114,56 @@ class ContentTextView(context: Context, attrs: AttributeSet?) : View(context, at
     }
 
     fun selectStartMove(x: Float, y: Float) {
-
+        textPage?.let { textPage ->
+            for ((lineIndex, textLine) in textPage.textLines.withIndex()) {
+                if (y > textLine.lineTop && y < textLine.lineBottom) {
+                    for ((charIndex, textChar) in textLine.textChars.withIndex()) {
+                        if (x > textChar.leftBottomPosition.x && x < textChar.rightTopPosition.x) {
+                            textChar.selected = true
+                            invalidate()
+                            selectStartLine = lineIndex
+                            selectStartChar = charIndex
+                            selectEndLine = lineIndex
+                            selectEndChar = charIndex
+                            SelectPoint(
+                                textChar.leftBottomPosition.x,
+                                textChar.leftBottomPosition.y.toFloat(),
+                                textChar.rightTopPosition.x,
+                                textChar.leftBottomPosition.y.toFloat()
+                            )
+                            break
+                        }
+                    }
+                    break
+                }
+            }
+        }
     }
 
     fun selectEndMove(x: Float, y: Float) {
-
+        textPage?.let { textPage ->
+            for ((lineIndex, textLine) in textPage.textLines.withIndex()) {
+                if (y > textLine.lineTop && y < textLine.lineBottom) {
+                    for ((charIndex, textChar) in textLine.textChars.withIndex()) {
+                        if (x > textChar.leftBottomPosition.x && x < textChar.rightTopPosition.x) {
+                            textChar.selected = true
+                            invalidate()
+                            selectStartLine = lineIndex
+                            selectStartChar = charIndex
+                            selectEndLine = lineIndex
+                            selectEndChar = charIndex
+                            SelectPoint(
+                                textChar.leftBottomPosition.x,
+                                textChar.leftBottomPosition.y.toFloat(),
+                                textChar.rightTopPosition.x,
+                                textChar.leftBottomPosition.y.toFloat()
+                            )
+                        }
+                    }
+                    break
+                }
+            }
+        }
     }
 
 }
diff --git a/app/src/main/java/io/legado/app/ui/widget/checkbox/SmoothCheckBox.kt b/app/src/main/java/io/legado/app/ui/widget/checkbox/SmoothCheckBox.kt
index 7179d8a38..09a095fad 100644
--- a/app/src/main/java/io/legado/app/ui/widget/checkbox/SmoothCheckBox.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/checkbox/SmoothCheckBox.kt
@@ -45,7 +45,7 @@ class SmoothCheckBox @JvmOverloads constructor(
     init {
         val ta = context.obtainStyledAttributes(attrs, R.styleable.SmoothCheckBox)
         var tickColor = ThemeStore.accentColor(context)
-        mCheckedColor = context.getCompatColor(R.color.background_card)
+        mCheckedColor = context.getCompatColor(R.color.background_menu)
         mUnCheckedColor = context.getCompatColor(R.color.background_menu)
         mFloorColor = context.getCompatColor(R.color.transparent30)
         tickColor = ta.getColor(R.styleable.SmoothCheckBox_color_tick, tickColor)
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 2acc48750..358d68063 100644
--- a/app/src/main/res/layout/dialog_read_book_style.xml
+++ b/app/src/main/res/layout/dialog_read_book_style.xml
@@ -1,12 +1,27 @@
 <?xml version="1.0" encoding="utf-8"?>
 <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:orientation="vertical"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:background="@color/background"
     android:padding="10dp">
 
+    <io.legado.app.ui.widget.text.StrokeTextView
+        android:id="@+id/tv_title_center"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:paddingLeft="6dp"
+        android:paddingRight="6dp"
+        android:paddingTop="3dp"
+        android:paddingBottom="3dp"
+        android:text="@string/title_center"
+        android:gravity="center"
+        android:textSize="14sp"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
     <io.legado.app.ui.widget.text.StrokeTextView
         android:id="@+id/tv_text_bold"
         android:layout_width="wrap_content"
@@ -18,7 +33,7 @@
         android:text="@string/text_bold"
         android:gravity="center"
         android:textSize="14sp"
-        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintLeft_toRightOf="@+id/tv_title_center"
         app:layout_constraintRight_toLeftOf="@+id/tv_text_font"
         app:layout_constraintTop_toTopOf="parent" />
 
@@ -77,7 +92,6 @@
         android:paddingBottom="3dp"
         android:gravity="center"
         android:textSize="14sp"
-        app:layout_constraintLeft_toRightOf="@+id/tv_padding"
         app:layout_constraintRight_toRightOf="parent"
         app:layout_constraintTop_toTopOf="parent" />
 
@@ -133,8 +147,8 @@
         android:id="@+id/tv_page_anim"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:paddingStart="10dp"
-        android:paddingEnd="10dp"
+        android:paddingStart="6dp"
+        android:paddingEnd="6dp"
         android:text="@string/page_anim"
         app:layout_constraintTop_toBottomOf="@+id/vw_bg_fg" />
 
@@ -142,8 +156,8 @@
         android:id="@+id/rg_page_anim"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:paddingLeft="16dp"
-        android:paddingRight="16dp"
+        android:paddingLeft="10dp"
+        android:paddingRight="10dp"
         android:orientation="horizontal"
         android:gravity="center"
         app:layout_constraintTop_toBottomOf="@id/tv_page_anim">
@@ -219,12 +233,37 @@
 
     <TextView
         android:id="@+id/tv_bg_ts"
-        android:layout_width="match_parent"
+        android:layout_width="0dp"
         android:layout_height="wrap_content"
-        android:paddingStart="10dp"
-        android:paddingEnd="10dp"
+        android:paddingStart="6dp"
+        android:paddingEnd="6dp"
+        android:paddingTop="5dp"
+        android:paddingBottom="5dp"
         android:text="@string/text_bg_style"
-        app:layout_constraintTop_toBottomOf="@+id/vw_bg_fg1" />
+        app:layout_constraintTop_toBottomOf="@+id/vw_bg_fg1"
+        app:layout_constraintLeft_toLeftOf="parent"
+        app:layout_constraintRight_toLeftOf="@+id/tv_share_layout" />
+
+    <io.legado.app.ui.widget.checkbox.SmoothCheckBox
+        android:id="@+id/cb_share_layout"
+        android:layout_width="20dp"
+        android:layout_height="20dp"
+        android:layout_marginRight="6dp"
+        app:layout_constraintTop_toTopOf="@id/tv_bg_ts"
+        app:layout_constraintBottom_toBottomOf="@id/tv_bg_ts"
+        app:layout_constraintRight_toRightOf="parent"
+        tools:ignore="RtlHardcoded" />
+
+    <TextView
+        android:id="@+id/tv_share_layout"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:paddingLeft="3dp"
+        android:paddingRight="3dp"
+        android:text="@string/share_layout"
+        app:layout_constraintTop_toTopOf="@+id/tv_bg_ts"
+        app:layout_constraintBottom_toBottomOf="@+id/tv_bg_ts"
+        app:layout_constraintRight_toLeftOf="@+id/cb_share_layout" />
 
     <io.legado.app.ui.widget.image.CircleImageView
         android:id="@+id/bg0"
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 6eb36afe6..31633c409 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -617,4 +617,6 @@
     <string name="footer">页角</string>
     <string name="select_end">文本选择结束位置</string>
     <string name="select_start">文本选择开始位置</string>
+    <string name="share_layout">共用布局</string>
+    <string name="title_center">标题居中</string>
 </resources>