diff --git a/app/src/main/java/io/legado/app/ui/bookinfo/BookInfoActivity.kt b/app/src/main/java/io/legado/app/ui/bookinfo/BookInfoActivity.kt
index 599a26acc..b1998cfb5 100644
--- a/app/src/main/java/io/legado/app/ui/bookinfo/BookInfoActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/bookinfo/BookInfoActivity.kt
@@ -24,6 +24,9 @@ import kotlinx.android.synthetic.main.activity_book_info.*
 import kotlinx.android.synthetic.main.view_title_bar.*
 import org.jetbrains.anko.sdk27.listeners.onClick
 import org.jetbrains.anko.startActivity
+import androidx.recyclerview.widget.RecyclerView
+
+
 
 class BookInfoActivity : VMBaseActivity<BookInfoViewModel>(R.layout.activity_book_info),
     ChapterListAdapter.CallBack,
@@ -82,7 +85,7 @@ class BookInfoActivity : VMBaseActivity<BookInfoViewModel>(R.layout.activity_boo
         tv_author.text = getString(R.string.author_show, book.author)
         tv_origin.text = getString(R.string.origin_show, book.originName)
         tv_lasted.text = getString(R.string.lasted_show, book.latestChapterTitle)
-        tv_intro.text = getString(R.string.intro_show, book.getDisplayIntro())
+        tv_intro.text = book.getDisplayIntro(); // getString(R.string.intro_show, book.getDisplayIntro())
         book.getDisplayCover()?.let {
             ImageLoader.load(this, it)
                 .placeholder(R.drawable.img_cover_default)
@@ -153,10 +156,16 @@ class BookInfoActivity : VMBaseActivity<BookInfoViewModel>(R.layout.activity_boo
         adapter = ChapterListAdapter(this, this)
         ATH.applyEdgeEffectColor(rv_chapter_list)
         rv_chapter_list.layoutManager = LinearLayoutManager(this)
-        rv_chapter_list.addItemDecoration(DividerItemDecoration(this, LinearLayout.VERTICAL))
+        rv_chapter_list.addItemDecoration(getRecyclerViewDivider())
         rv_chapter_list.adapter = adapter
     }
 
+    private fun getRecyclerViewDivider(): RecyclerView.ItemDecoration {
+        val itemDecoration = DividerItemDecoration(this, DividerItemDecoration.VERTICAL)
+        itemDecoration.setDrawable(resources.getDrawable(R.drawable.recyclerview_item_divider))
+        return itemDecoration
+    }
+
     private fun initOnClick() {
         tv_read.onClick {
             viewModel.bookData.value?.let {
@@ -195,12 +204,8 @@ class BookInfoActivity : VMBaseActivity<BookInfoViewModel>(R.layout.activity_boo
             }
         }
         iv_chapter_top.onClick {
-            rv_chapter_list.scrollToPosition(0)
-        }
-        iv_chapter_bottom.onClick {
-            viewModel.chapterListData.value?.let {
-                rv_chapter_list.scrollToPosition(it.size - 1)
-            }
+            adapter.reorder = !adapter.reorder;
+            adapter.notifyDataSetChanged();
         }
     }
 
diff --git a/app/src/main/java/io/legado/app/ui/bookinfo/ChapterListAdapter.kt b/app/src/main/java/io/legado/app/ui/bookinfo/ChapterListAdapter.kt
index 31468c980..3b2edf158 100644
--- a/app/src/main/java/io/legado/app/ui/bookinfo/ChapterListAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/bookinfo/ChapterListAdapter.kt
@@ -13,16 +13,22 @@ import org.jetbrains.anko.textColorResource
 class ChapterListAdapter(context: Context, var callBack: CallBack) :
     SimpleRecyclerAdapter<BookChapter>(context, R.layout.item_chapter_list) {
 
+    var reorder: Boolean = false; // 是否倒序
+
     override fun convert(holder: ItemViewHolder, item: BookChapter, payloads: MutableList<Any>) {
         holder.itemView.apply {
-            tv_chapter_name.text = item.title
-            if (item.index == callBack.durChapterIndex()) {
+            var _item: BookChapter = item;
+            if (reorder) {
+                _item = getItems().get(getItems().size - item.index - 1);
+            }
+            tv_chapter_name.text = _item.title
+            if (_item.index == callBack.durChapterIndex()) {
                 tv_chapter_name.setTextColor(context.accentColor)
             } else {
-                tv_chapter_name.textColorResource = R.color.tv_text_default
+                tv_chapter_name.textColorResource = R.color.tv_text_secondary
             }
             this.onClick {
-                callBack.openChapter(item)
+                callBack.openChapter(_item)
             }
         }
     }
diff --git a/app/src/main/res/drawable/bg_chapter_item_divider.xml b/app/src/main/res/drawable/bg_chapter_item_divider.xml
index a8bce5ae4..38db10eaf 100644
--- a/app/src/main/res/drawable/bg_chapter_item_divider.xml
+++ b/app/src/main/res/drawable/bg_chapter_item_divider.xml
@@ -2,7 +2,7 @@
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="line">
     <stroke
-        android:width="1dp"
+        android:width="1px"
         android:color="@color/bg_divider_line"
         android:dashWidth="3dp"
         android:dashGap="3dp" />
diff --git a/app/src/main/res/drawable/ic_divider.xml b/app/src/main/res/drawable/ic_divider.xml
index 7515c3960..1ecb2d6d8 100644
--- a/app/src/main/res/drawable/ic_divider.xml
+++ b/app/src/main/res/drawable/ic_divider.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <shape xmlns:android="http://schemas.android.com/apk/res/android"
     android:shape="rectangle">
-    <size android:height="0.5dp" />
+    <size android:height="1px" />
     <solid android:color="@color/divider" />
 </shape>
diff --git a/app/src/main/res/drawable/ic_exchange_order.xml b/app/src/main/res/drawable/ic_exchange_order.xml
new file mode 100644
index 000000000..36c2bcefc
--- /dev/null
+++ b/app/src/main/res/drawable/ic_exchange_order.xml
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="1112"
+    android:viewportHeight="1024">
+
+    <path android:fillColor="#595757"
+        android:pathData="M385.722775 1023.999431a42.664285 42.664285 0 0 1-42.664285-42.664284V138.573312L72.851354 381.190877a42.664285 42.664285 0 1 1-56.885712-63.42757L357.279918 10.864887A42.664285 42.664285 0 0 1 428.387059 42.720886v938.614261a42.664285 42.664285 0 0 1-42.664284 42.664284zM727.037051 1023.999431a41.52657 41.52657 0 0 1-17.350142-3.697571A42.664285 42.664285 0 0 1 684.372767 981.335147v-938.614261a42.664285 42.664285 0 0 1 85.328569 0v842.761835l270.207135-242.617565a42.664285 42.664285 0 1 1 56.885713 63.427569l-341.314276 306.898421a42.664285 42.664285 0 0 1-28.442857 10.808285z"></path>
+
+</vector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/recyclerview_item_divider.xml b/app/src/main/res/drawable/recyclerview_item_divider.xml
new file mode 100644
index 000000000..cf8d2882a
--- /dev/null
+++ b/app/src/main/res/drawable/recyclerview_item_divider.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<inset xmlns:android="http://schemas.android.com/apk/res/android"
+    android:insetLeft="10dp">
+    <!--android:insetLeft="10dp" 分割线距离左侧10dp-->
+    <shape>
+        <!--分割线的高度，横向的RecyclerView,这里设置宽度即可-->
+        <size android:height="1px" />
+        <!--分割线的颜色-->
+        <solid android:color="@color/bg_divider_line" />
+    </shape>
+
+</inset>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/selector_btn_accent_bg.xml b/app/src/main/res/drawable/selector_btn_accent_bg.xml
new file mode 100644
index 000000000..a888e77e0
--- /dev/null
+++ b/app/src/main/res/drawable/selector_btn_accent_bg.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="false" android:drawable="@color/colorAccent" />
+    <item android:state_pressed="true" android:drawable="@color/btn_bg_press" />
+</selector>
\ No newline at end of file
diff --git a/app/src/main/res/drawable/selector_btn_write_bg.xml b/app/src/main/res/drawable/selector_btn_write_bg.xml
new file mode 100644
index 000000000..8ba143cb2
--- /dev/null
+++ b/app/src/main/res/drawable/selector_btn_write_bg.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="false" android:drawable="@color/btn_write" />
+    <item android:state_pressed="true" android:drawable="@color/btn_write_press" />
+</selector>
\ No newline at end of file
diff --git a/app/src/main/res/layout/activity_book_info.xml b/app/src/main/res/layout/activity_book_info.xml
index 8ddbb5cd7..a54649937 100644
--- a/app/src/main/res/layout/activity_book_info.xml
+++ b/app/src/main/res/layout/activity_book_info.xml
@@ -13,46 +13,58 @@
         app:title="@string/book_info"
         app:layout_constraintTop_toTopOf="parent" />
 
-    <io.legado.app.ui.widget.image.CoverImageView
-        android:id="@+id/iv_cover"
-        android:layout_width="76dp"
-        android:layout_height="110dp"
-        android:layout_margin="10dp"
-        android:src="@drawable/img_cover_default"
+    <androidx.cardview.widget.CardView
+        android:id="@+id/iv_cover_s"
         app:layout_constraintLeft_toLeftOf="parent"
-        app:layout_constraintTop_toBottomOf="@+id/title_bar" />
+        app:layout_constraintTop_toBottomOf="@+id/title_bar"
+        app:cardCornerRadius="5.0dp"
+        android:layout_margin="12dp"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content">
+
+        <io.legado.app.ui.widget.image.CoverImageView
+            android:id="@+id/iv_cover"
+            android:layout_width="76dp"
+            android:layout_height="110dp"
+            android:src="@drawable/img_cover_default"
+            />
+
+    </androidx.cardview.widget.CardView>
 
     <LinearLayout
         android:id="@+id/ll_book_info"
         android:layout_width="0dp"
-        android:layout_height="0dp"
-        android:layout_marginLeft="6dp"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="12dp"
         android:layout_marginRight="6dp"
         android:orientation="vertical"
-        app:layout_constraintTop_toTopOf="@+id/iv_cover"
-        app:layout_constraintLeft_toRightOf="@+id/iv_cover"
-        app:layout_constraintRight_toRightOf="parent"
-        app:layout_constraintBottom_toBottomOf="@+id/iv_cover">
+        android:minHeight="115dp"
+        android:paddingBottom="8dp"
+        app:layout_constraintTop_toTopOf="@+id/iv_cover_s"
+        app:layout_constraintLeft_toRightOf="@+id/iv_cover_s"
+        app:layout_constraintRight_toRightOf="parent">
 
         <TextView
             android:id="@+id/tv_name"
             android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_weight="1"
+            android:layout_height="wrap_content"
             android:singleLine="true"
-            android:textSize="16sp" />
+            android:layout_marginBottom="12dp"
+            android:textColor="@color/tv_text_default"
+            android:textSize="18sp" />
 
         <TextView
             android:id="@+id/tv_author"
             android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_weight="1"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="4dp"
+            android:textSize="14sp"
             android:singleLine="true" />
 
         <LinearLayout
             android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_weight="1"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="4dp"
             android:orientation="horizontal">
 
             <TextView
@@ -61,6 +73,8 @@
                 android:layout_height="wrap_content"
                 android:layout_weight="1"
                 android:singleLine="true"
+                android:textSize="14sp"
+                android:layout_marginRight="8dp"
                 tools:ignore="NestedWeights" />
 
             <io.legado.app.lib.theme.view.ATEAccentBgTextView
@@ -76,8 +90,8 @@
         <LinearLayout
             android:id="@+id/ll_kind"
             android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_weight="1"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="4dp"
             android:visibility="gone"
             android:orientation="horizontal">
 
@@ -119,113 +133,162 @@
         <TextView
             android:id="@+id/tv_lasted"
             android:layout_width="match_parent"
-            android:layout_height="0dp"
-            android:layout_weight="1"
+            android:layout_height="wrap_content"
+            android:layout_marginBottom="4dp"
             android:singleLine="true"
+            android:textSize="14sp"
             app:layout_constraintLeft_toLeftOf="@+id/tv_name"
             app:layout_constraintRight_toRightOf="@id/tv_name"
             app:layout_constraintBottom_toBottomOf="@+id/iv_cover" />
 
     </LinearLayout>
 
-    <TextView
-        android:id="@+id/tv_intro"
-        android:layout_width="match_parent"
-        android:layout_height="160dp"
-        android:layout_margin="10dp"
-        android:scrollbars="vertical"
-        android:textIsSelectable="true"
-        app:layout_constraintTop_toBottomOf="@+id/iv_cover" />
-
-    <View
-        android:id="@+id/view_shadow"
-        android:layout_width="match_parent"
-        android:layout_height="10dp"
-        android:layout_marginTop="10dp"
-        android:background="@drawable/bg_shadow_top"
-        app:layout_constraintTop_toBottomOf="@+id/iv_cover" />
-
     <LinearLayout
-        android:id="@+id/ll_chapter_base_info"
+        android:id="@+id/view_info"
+        app:layout_constraintTop_toBottomOf="@+id/ll_book_info"
+        android:orientation="vertical"
         android:layout_width="match_parent"
-        android:layout_height="36dp"
-        android:background="@color/background"
-        android:paddingLeft="10dp"
-        android:paddingRight="10dp"
-        android:elevation="5dp"
-        android:gravity="center_vertical"
-        android:orientation="horizontal"
-        app:layout_constraintTop_toBottomOf="@+id/tv_intro">
+        android:layout_height="wrap_content">
+
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="5dp"
+            android:layout_marginTop="4dp"
+            android:background="@color/bg_divider_line" />
 
         <TextView
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/chapter_list" />
+            android:textSize="16sp"
+            android:textColor="@color/tv_text_default"
+            android:text="简介"
+            android:padding="8dp"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content" />
 
         <TextView
-            android:id="@+id/tv_current_chapter_info"
-            android:layout_width="0dp"
-            android:layout_height="match_parent"
-            android:layout_weight="1"
-            android:background="?android:attr/selectableItemBackgroundBorderless"
-            android:ellipsize="middle"
+            android:id="@+id/tv_intro"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="8dp"
+            android:layout_marginRight="8dp"
+            android:minHeight="100dp"
+            android:maxHeight="160dp"
+            android:scrollbars="vertical"
+            android:textIsSelectable="true"
+            android:textSize="12sp" />
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:id="@+id/view_chapter"
+        app:layout_constraintTop_toBottomOf="@+id/view_info"
+        android:orientation="vertical"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="5dp"
+            android:layout_marginTop="4dp"
+            android:background="@color/bg_divider_line" />
+
+        <LinearLayout
+            android:orientation="horizontal"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+
+            <TextView
+                android:textSize="16sp"
+                android:textColor="@color/tv_text_default"
+                android:text="目录"
+                android:paddingTop="8dp"
+                android:paddingLeft="8dp"
+                android:layout_weight="1.0"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content" />
+
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/ll_chapter_base_info"
+            android:layout_width="match_parent"
+            android:layout_height="36dp"
             android:paddingLeft="10dp"
             android:paddingRight="10dp"
-            android:singleLine="true"
+            android:elevation="5dp"
             android:gravity="center_vertical"
-            android:textColor="@color/tv_text_default"
-            android:textSize="12sp" />
+            android:orientation="horizontal"
+            app:layout_constraintTop_toBottomOf="@+id/view_chapter">
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="当前位置：" />
+
+            <TextView
+                android:id="@+id/tv_current_chapter_info"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_weight="1"
+                android:background="?android:attr/selectableItemBackgroundBorderless"
+                android:ellipsize="middle"
+                android:paddingLeft="10dp"
+                android:paddingRight="10dp"
+                android:singleLine="true"
+                android:gravity="center_vertical"
+                android:textColor="@color/tv_text_default"
+                android:textSize="14sp" />
+
+            <androidx.appcompat.widget.AppCompatImageView
+                android:id="@+id/iv_chapter_top"
+                android:layout_width="36dp"
+                android:layout_height="match_parent"
+                android:background="?android:attr/selectableItemBackgroundBorderless"
+                android:contentDescription="@string/go_to_top"
+                android:padding="10dp"
+                android:src="@drawable/ic_exchange_order"
+                android:tooltipText="@string/go_to_top"
+                app:tint="@color/tv_text_default"
+                tools:ignore="UnusedAttribute" />
+        </LinearLayout>
 
-        <androidx.appcompat.widget.AppCompatImageView
-            android:id="@+id/iv_chapter_top"
-            android:layout_width="36dp"
-            android:layout_height="match_parent"
-            android:background="?android:attr/selectableItemBackgroundBorderless"
-            android:contentDescription="@string/go_to_top"
-            android:src="@drawable/ic_arrow_drop_up"
-            android:tooltipText="@string/go_to_top"
-            app:tint="@color/tv_text_default"
-            tools:ignore="UnusedAttribute" />
-
-        <androidx.appcompat.widget.AppCompatImageView
-            android:id="@+id/iv_chapter_bottom"
-            android:layout_width="36dp"
-            android:layout_height="match_parent"
-            android:background="?android:attr/selectableItemBackgroundBorderless"
-            android:contentDescription="@string/go_to_bottom"
-            android:src="@drawable/ic_arrow_drop_down"
-            android:tooltipText="@string/go_to_bottom"
-            app:tint="@color/tv_text_default"
-            tools:ignore="UnusedAttribute" />
     </LinearLayout>
 
     <io.legado.app.ui.widget.recycler.scroller.FastScrollRecyclerView
         android:id="@+id/rv_chapter_list"
         android:layout_width="match_parent"
         android:layout_height="0dp"
-        app:layout_constraintTop_toBottomOf="@+id/ll_chapter_base_info"
+        app:layout_constraintTop_toBottomOf="@+id/view_chapter"
         app:layout_constraintBottom_toTopOf="@id/fl_action" />
 
     <FrameLayout
         android:id="@+id/fl_action"
         android:layout_width="match_parent"
         android:layout_height="50dp"
-        android:background="@color/background"
         app:layout_constraintBottom_toBottomOf="parent">
 
+        <TextView
+            android:id="@+id/tv_loading"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:background="@color/tv_text_button_nor"
+            android:clickable="true"
+            android:focusable="true"
+            android:gravity="center"
+            android:text="@string/data_loading"
+            android:textColor="#767676"
+            android:textSize="16sp" />
+
         <LinearLayout
             android:layout_width="match_parent"
             android:layout_height="match_parent"
-            android:background="@color/background_menu"
-            android:orientation="horizontal"
-            android:padding="3dp">
+            android:orientation="horizontal">
 
             <TextView
                 android:id="@+id/tv_shelf"
                 android:layout_width="0dp"
                 android:layout_height="match_parent"
                 android:layout_weight="1"
-                android:background="@drawable/selector_fillet_btn_bg"
+                android:background="@drawable/selector_btn_write_bg"
                 android:clickable="true"
                 android:focusable="true"
                 android:gravity="center"
@@ -234,37 +297,28 @@
                 android:textColor="@color/tv_text_default"
                 android:textSize="15sp" />
 
-            <Space
-                android:layout_width="3dp"
-                android:layout_height="match_parent" />
-
             <TextView
                 android:id="@+id/tv_read"
                 android:layout_width="0dp"
                 android:layout_height="match_parent"
                 android:layout_weight="1"
-                android:background="@drawable/selector_fillet_btn_bg"
+                android:background="@drawable/selector_btn_accent_bg"
                 android:clickable="true"
                 android:focusable="true"
                 android:gravity="center"
                 android:includeFontPadding="false"
                 android:text="@string/reading"
-                android:textColor="@color/tv_text_default"
+                android:textColor="@color/tv_text_button_nor"
                 android:textSize="15sp" />
 
         </LinearLayout>
 
-        <TextView
-            android:id="@+id/tv_loading"
+        <View
+            android:background="@color/bg_divider_line"
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:background="@color/tv_text_button_nor"
-            android:clickable="true"
-            android:focusable="true"
-            android:gravity="center"
-            android:text="@string/data_loading"
-            android:textColor="#767676"
-            android:textSize="16sp" />
+            android:layout_height="1px" />
+
     </FrameLayout>
 
+
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/colors.xml b/app/src/main/res/values/colors.xml
index 8bd010541..59b1bea6c 100644
--- a/app/src/main/res/values/colors.xml
+++ b/app/src/main/res/values/colors.xml
@@ -40,7 +40,7 @@
     <color name="darker_gray">#aaaaaaaa</color>
 
     <!-- 分格线背景色 -->
-    <color name="bg_divider_line">#FFD4D4D4</color>
+    <color name="bg_divider_line">#8fe0e0e0</color>
     <!--statusBarBackground-->
     <color name="status_bar_bag">#19000000</color>
     <color name="navigation_bar_bag">#f4f4f4</color>
@@ -50,6 +50,10 @@
     <color name="black">#000000</color>
     <color name="white">#ffffff</color>
 
+    <!-- btn -->
+    <color name="btn_write">#ffffffff</color>
+    <color name="btn_write_press">#efe0e0e0</color>
+
     <!--"control" means checkbox / radio button-->
 
     <!--LIGHT-->