diff --git a/app/src/main/java/io/legado/app/ui/book/import/local/ImportBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/import/local/ImportBookActivity.kt
index 4c302b9ec..d529ac105 100644
--- a/app/src/main/java/io/legado/app/ui/book/import/local/ImportBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/import/local/ImportBookActivity.kt
@@ -85,10 +85,9 @@ class ImportBookActivity : BaseImportBookActivity<ImportBookViewModel>(),
 
     override fun onMenuItemClick(item: MenuItem?): Boolean {
         when (item?.itemId) {
-            R.id.menu_del_selection ->
-                viewModel.deleteDoc(adapter.selectedUris) {
-                    adapter.removeSelection()
-                }
+            R.id.menu_del_selection -> viewModel.deleteDoc(adapter.selectedUris) {
+                adapter.removeSelection()
+            }
         }
         return false
     }
diff --git a/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt b/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
index 4efad59ca..f68411af8 100644
--- a/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt
@@ -115,7 +115,6 @@ class BookInfoActivity :
         binding.refreshLayout?.setColorSchemeColors(accentColor)
         binding.arcView.setBgColor(backgroundColor)
         binding.llInfo.setBackgroundColor(backgroundColor)
-        binding.scrollView.setBackgroundColor(backgroundColor)
         binding.flAction.setBackgroundColor(bottomBackground)
         binding.tvShelf.setTextColor(getPrimaryTextColor(ColorUtils.isColorLight(bottomBackground)))
         binding.tvToc.text = getString(R.string.toc_s, getString(R.string.loading))
@@ -423,9 +422,6 @@ class BookInfoActivity :
                 }
             }
         }
-        scrollView.setOnScrollChangeListener { _, _, scrollY, _, _ ->
-            refreshLayout?.isEnabled = (scrollY <= 0)
-        }
         refreshLayout?.setOnRefreshListener {
             refreshLayout.isRefreshing = false
             refreshBook()
diff --git a/app/src/main/res/layout/activity_book_info.xml b/app/src/main/res/layout/activity_book_info.xml
index a99fab5b2..e983365d3 100644
--- a/app/src/main/res/layout/activity_book_info.xml
+++ b/app/src/main/res/layout/activity_book_info.xml
@@ -10,395 +10,401 @@
         android:id="@+id/bg_book"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:scaleType="centerCrop"
         android:contentDescription="@string/bg_image"
+        android:scaleType="centerCrop"
         app:layout_constraintTop_toTopOf="parent" />
 
-    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
-        android:id="@+id/refresh_layout"
+    <LinearLayout
+        android:id="@+id/vw_bg"
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        app:layout_constraintTop_toTopOf="parent" >
+        android:layout_height="match_parent"
+        android:background="#50000000"
+        android:orientation="vertical">
 
-        <LinearLayout
-            android:id="@+id/vw_bg"
+        <io.legado.app.ui.widget.TitleBar
+            android:id="@+id/title_bar"
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:background="#50000000"
-            android:orientation="vertical">
+            android:layout_height="wrap_content"
+            app:layout_constraintTop_toTopOf="parent"
+            app:themeMode="dark"
+            app:title="@string/book_info" />
 
-            <io.legado.app.ui.widget.TitleBar
-                android:id="@+id/title_bar"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                app:layout_constraintTop_toTopOf="parent"
-                app:title="@string/book_info"
-                app:themeMode="dark" />
-
-                <RelativeLayout
-                    android:layout_width="match_parent"
-                    android:layout_height="wrap_content"
-                    android:layout_marginTop="8dp" >
-
-                    <io.legado.app.ui.widget.image.ArcView
-                        android:id="@+id/arc_view"
-                        android:layout_marginTop="90dp"
-                        android:layout_width="match_parent"
-                        android:layout_height="78dp"
-                        app:arcDirectionTop="true"
-                        app:arcHeight="36dp"
-                        app:bgColor="@color/background" />
-
-                    <androidx.cardview.widget.CardView
-                        android:layout_margin="3dp"
-                        android:layout_centerHorizontal="true"
-                        android:layout_width="wrap_content"
-                        android:layout_height="wrap_content"
-                        app:cardCornerRadius="5dp"
-                        app:cardElevation="8dp">
-
-                        <io.legado.app.ui.widget.image.CoverImageView
-                            android:id="@+id/iv_cover"
-                            android:layout_width="110dp"
-                            android:layout_height="160dp"
-                            android:contentDescription="@string/img_cover"
-                            android:scaleType="centerCrop"
-                            android:src="@drawable/image_cover_default" />
-
-                    </androidx.cardview.widget.CardView>
-
-                </RelativeLayout>
+        <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+            android:id="@+id/refresh_layout"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_weight="1">
 
             <ScrollView
                 android:id="@+id/scroll_view"
-                android:background="@color/background"
-                android:layout_weight="1.0"
-                android:padding="0dp"
-                android:layout_height="0dp"
                 android:layout_width="match_parent"
-                android:scrollbarStyle="outsideInset"
-                android:scrollbars="vertical"
+                android:layout_height="0dp"
+                android:layout_weight="1.0"
                 android:fillViewport="true"
                 android:fitsSystemWindows="false"
-                android:focusable="true">
+                android:focusable="true"
+                android:padding="0dp"
+                android:scrollbarStyle="outsideOverlay"
+                android:scrollbars="vertical">
 
                 <LinearLayout
-                    android:id="@+id/ll_info"
-                    android:orientation="vertical"
-                    android:paddingLeft="8dp"
-                    android:paddingRight="8dp"
-                    android:paddingBottom="8dp"
-                    android:background="@color/background"
                     android:layout_width="match_parent"
-                    android:layout_height="wrap_content">
+                    android:layout_height="0dp"
+                    android:orientation="vertical">
 
-                    <LinearLayout
+                    <RelativeLayout
                         android:layout_width="match_parent"
                         android:layout_height="wrap_content"
-                        android:orientation="vertical"
-                        android:paddingLeft="10dp"
-                        android:paddingTop="8dp"
-                        android:paddingRight="10dp"
-                        android:paddingBottom="3dp">
+                        android:layout_marginTop="8dp">
 
-                        <TextView
-                            android:id="@+id/tv_name"
+                        <io.legado.app.ui.widget.image.ArcView
+                            android:id="@+id/arc_view"
                             android:layout_width="match_parent"
-                            android:layout_height="wrap_content"
-                            android:layout_marginBottom="6dp"
-                            android:gravity="center"
-                            android:includeFontPadding="false"
-                            android:singleLine="true"
-                            android:text="@string/book_name"
-                            android:textColor="@color/primaryText"
-                            android:textSize="18sp"
-                            tools:ignore="RtlHardcoded" />
+                            android:layout_height="78dp"
+                            android:layout_marginTop="90dp"
+                            app:arcDirectionTop="true"
+                            app:arcHeight="36dp"
+                            app:bgColor="@color/background" />
 
-                        <io.legado.app.ui.widget.LabelsBar
-                            android:id="@+id/lb_kind"
-                            android:layout_width="match_parent"
+                        <androidx.cardview.widget.CardView
+                            android:layout_width="wrap_content"
                             android:layout_height="wrap_content"
-                            android:layout_marginBottom="6dp"
-                            android:layout_gravity="center"
-                            android:gravity="center"
-                            android:visibility="gone" />
+                            android:layout_centerHorizontal="true"
+                            android:layout_margin="3dp"
+                            app:cardCornerRadius="5dp"
+                            app:cardElevation="8dp">
 
-                    </LinearLayout>
+                            <io.legado.app.ui.widget.image.CoverImageView
+                                android:id="@+id/iv_cover"
+                                android:layout_width="110dp"
+                                android:layout_height="160dp"
+                                android:contentDescription="@string/img_cover"
+                                android:scaleType="centerCrop"
+                                android:src="@drawable/image_cover_default" />
+
+                        </androidx.cardview.widget.CardView>
+
+                    </RelativeLayout>
 
                     <LinearLayout
+                        android:id="@+id/ll_info"
+                        android:layout_width="match_parent"
+                        android:layout_height="match_parent"
+                        android:background="@color/background"
                         android:orientation="vertical"
                         android:paddingLeft="8dp"
                         android:paddingRight="8dp"
-                        android:paddingBottom="8dp"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content">
+                        android:paddingBottom="8dp">
 
                         <LinearLayout
                             android:layout_width="match_parent"
                             android:layout_height="wrap_content"
-                            android:gravity="center_vertical"
-                            android:orientation="horizontal"
-                            android:paddingTop="3dp"
-                            android:paddingBottom="3dp"
-                            tools:ignore="UseCompoundDrawables">
-
-                            <ImageView
-                                android:layout_width="18sp"
-                                android:layout_height="18sp"
-                                android:contentDescription="@string/author"
-                                android:paddingRight="2dp"
-                                android:src="@drawable/ic_author"
-                                app:tint="@color/tv_text_summary"
-                                tools:ignore="RtlHardcoded,RtlSymmetry" />
-
-                            <TextView
-                                android:id="@+id/tv_author"
-                                android:layout_width="0dp"
-                                android:layout_height="wrap_content"
-                                android:layout_weight="1"
-                                android:ellipsize="end"
-                                android:includeFontPadding="false"
-                                android:paddingRight="6dp"
-                                android:singleLine="true"
-                                android:text="@string/author"
-                                android:textColor="@color/tv_text_summary"
-                                android:textSize="13sp"
-                                tools:ignore="NestedWeights,RtlHardcoded,RtlSymmetry" />
-
-                        </LinearLayout>
-
-                        <LinearLayout
-                            android:layout_width="match_parent"
-                            android:layout_height="wrap_content"
-                            android:gravity="center_vertical"
-                            android:orientation="horizontal"
-                            android:paddingTop="3dp"
+                            android:orientation="vertical"
+                            android:paddingLeft="10dp"
+                            android:paddingTop="8dp"
+                            android:paddingRight="10dp"
                             android:paddingBottom="3dp">
 
-                            <ImageView
-                                android:id="@+id/iv_web"
-                                android:layout_width="18sp"
-                                android:layout_height="18sp"
-                                android:contentDescription="@string/origin_format"
-                                android:paddingRight="2dp"
-                                android:src="@drawable/ic_web_outline"
-                                app:tint="@color/tv_text_summary"
-                                tools:ignore="RtlHardcoded,RtlSymmetry" />
-
                             <TextView
-                                android:id="@+id/tv_origin"
-                                android:layout_width="0dp"
+                                android:id="@+id/tv_name"
+                                android:layout_width="match_parent"
                                 android:layout_height="wrap_content"
-                                android:layout_weight="1"
-                                android:ellipsize="end"
+                                android:layout_marginBottom="6dp"
+                                android:gravity="center"
                                 android:includeFontPadding="false"
-                                android:paddingRight="6dp"
                                 android:singleLine="true"
-                                android:textColor="@color/tv_text_summary"
-                                android:textSize="13sp"
-                                tools:ignore="NestedWeights,RtlHardcoded,RtlSymmetry"
-                                tools:text="@string/origin_format" />
+                                android:text="@string/book_name"
+                                android:textColor="@color/primaryText"
+                                android:textSize="18sp"
+                                tools:ignore="RtlHardcoded" />
 
-                            <io.legado.app.ui.widget.text.AccentBgTextView
-                                android:id="@+id/tv_change_source"
-                                android:layout_width="wrap_content"
+                            <io.legado.app.ui.widget.LabelsBar
+                                android:id="@+id/lb_kind"
+                                android:layout_width="match_parent"
                                 android:layout_height="wrap_content"
-                                android:layout_marginStart="8dp"
-                                android:paddingLeft="5dp"
-                                android:paddingRight="5dp"
-                                android:textSize="13sp"
-                                android:text="@string/change_origin"
-                                app:radius="2dp" />
+                                android:layout_gravity="center"
+                                android:layout_marginBottom="6dp"
+                                android:gravity="center"
+                                android:visibility="gone" />
 
                         </LinearLayout>
 
                         <LinearLayout
                             android:layout_width="match_parent"
                             android:layout_height="wrap_content"
-                            android:gravity="center_vertical"
-                            android:orientation="horizontal"
-                            android:paddingTop="3dp"
-                            android:paddingBottom="3dp"
-                            tools:ignore="UseCompoundDrawables">
+                            android:orientation="vertical"
+                            android:paddingLeft="8dp"
+                            android:paddingRight="8dp"
+                            android:paddingBottom="8dp">
 
-                            <ImageView
-                                android:id="@+id/ic_book_last"
-                                android:layout_width="18sp"
-                                android:layout_height="18sp"
-                                android:paddingRight="2dp"
-                                android:src="@drawable/ic_book_last"
-                                app:tint="@color/tv_text_summary"
-                                android:contentDescription="@string/read_dur_progress"
-                                tools:ignore="RtlHardcoded,RtlSymmetry" />
-
-                            <TextView
-                                android:id="@+id/tv_lasted"
-                                android:layout_width="0dp"
+                            <LinearLayout
+                                android:layout_width="match_parent"
                                 android:layout_height="wrap_content"
-                                android:layout_weight="1"
-                                android:ellipsize="end"
-                                android:includeFontPadding="false"
-                                android:paddingRight="6dp"
-                                android:singleLine="true"
-                                android:textColor="@color/tv_text_summary"
-                                android:textSize="13sp"
-                                tools:ignore="NestedWeights,RtlHardcoded,RtlSymmetry"
-                                tools:text="@string/read_dur_progress" />
+                                android:gravity="center_vertical"
+                                android:orientation="horizontal"
+                                android:paddingTop="3dp"
+                                android:paddingBottom="3dp"
+                                tools:ignore="UseCompoundDrawables">
+
+                                <ImageView
+                                    android:layout_width="18sp"
+                                    android:layout_height="18sp"
+                                    android:contentDescription="@string/author"
+                                    android:paddingRight="2dp"
+                                    android:src="@drawable/ic_author"
+                                    app:tint="@color/tv_text_summary"
+                                    tools:ignore="RtlHardcoded,RtlSymmetry" />
+
+                                <TextView
+                                    android:id="@+id/tv_author"
+                                    android:layout_width="0dp"
+                                    android:layout_height="wrap_content"
+                                    android:layout_weight="1"
+                                    android:ellipsize="end"
+                                    android:includeFontPadding="false"
+                                    android:paddingRight="6dp"
+                                    android:singleLine="true"
+                                    android:text="@string/author"
+                                    android:textColor="@color/tv_text_summary"
+                                    android:textSize="13sp"
+                                    tools:ignore="NestedWeights,RtlHardcoded,RtlSymmetry" />
+
+                            </LinearLayout>
+
+                            <LinearLayout
+                                android:layout_width="match_parent"
+                                android:layout_height="wrap_content"
+                                android:gravity="center_vertical"
+                                android:orientation="horizontal"
+                                android:paddingTop="3dp"
+                                android:paddingBottom="3dp">
+
+                                <ImageView
+                                    android:id="@+id/iv_web"
+                                    android:layout_width="18sp"
+                                    android:layout_height="18sp"
+                                    android:contentDescription="@string/origin_format"
+                                    android:paddingRight="2dp"
+                                    android:src="@drawable/ic_web_outline"
+                                    app:tint="@color/tv_text_summary"
+                                    tools:ignore="RtlHardcoded,RtlSymmetry" />
+
+                                <TextView
+                                    android:id="@+id/tv_origin"
+                                    android:layout_width="0dp"
+                                    android:layout_height="wrap_content"
+                                    android:layout_weight="1"
+                                    android:ellipsize="end"
+                                    android:includeFontPadding="false"
+                                    android:paddingRight="6dp"
+                                    android:singleLine="true"
+                                    android:textColor="@color/tv_text_summary"
+                                    android:textSize="13sp"
+                                    tools:ignore="NestedWeights,RtlHardcoded,RtlSymmetry"
+                                    tools:text="@string/origin_format" />
+
+                                <io.legado.app.ui.widget.text.AccentBgTextView
+                                    android:id="@+id/tv_change_source"
+                                    android:layout_width="wrap_content"
+                                    android:layout_height="wrap_content"
+                                    android:layout_marginStart="8dp"
+                                    android:paddingLeft="5dp"
+                                    android:paddingRight="5dp"
+                                    android:text="@string/change_origin"
+                                    android:textSize="13sp"
+                                    app:radius="2dp" />
+
+                            </LinearLayout>
+
+                            <LinearLayout
+                                android:layout_width="match_parent"
+                                android:layout_height="wrap_content"
+                                android:gravity="center_vertical"
+                                android:orientation="horizontal"
+                                android:paddingTop="3dp"
+                                android:paddingBottom="3dp"
+                                tools:ignore="UseCompoundDrawables">
+
+                                <ImageView
+                                    android:id="@+id/ic_book_last"
+                                    android:layout_width="18sp"
+                                    android:layout_height="18sp"
+                                    android:contentDescription="@string/read_dur_progress"
+                                    android:paddingRight="2dp"
+                                    android:src="@drawable/ic_book_last"
+                                    app:tint="@color/tv_text_summary"
+                                    tools:ignore="RtlHardcoded,RtlSymmetry" />
+
+                                <TextView
+                                    android:id="@+id/tv_lasted"
+                                    android:layout_width="0dp"
+                                    android:layout_height="wrap_content"
+                                    android:layout_weight="1"
+                                    android:ellipsize="end"
+                                    android:includeFontPadding="false"
+                                    android:paddingRight="6dp"
+                                    android:singleLine="true"
+                                    android:textColor="@color/tv_text_summary"
+                                    android:textSize="13sp"
+                                    tools:ignore="NestedWeights,RtlHardcoded,RtlSymmetry"
+                                    tools:text="@string/read_dur_progress" />
+
+                            </LinearLayout>
+
+                            <LinearLayout
+                                android:layout_width="match_parent"
+                                android:layout_height="wrap_content"
+                                android:gravity="center_vertical"
+                                android:orientation="horizontal"
+                                android:paddingTop="3dp"
+                                android:paddingBottom="3dp">
+
+                                <ImageView
+                                    android:layout_width="18sp"
+                                    android:layout_height="18sp"
+                                    android:contentDescription="@string/read_dur_progress"
+                                    android:paddingRight="2dp"
+                                    android:src="@drawable/ic_groups"
+                                    app:tint="@color/tv_text_summary"
+                                    tools:ignore="RtlHardcoded,RtlSymmetry" />
+
+                                <TextView
+                                    android:id="@+id/tv_group"
+                                    android:layout_width="0dp"
+                                    android:layout_height="wrap_content"
+                                    android:layout_weight="1"
+                                    android:ellipsize="end"
+                                    android:includeFontPadding="false"
+                                    android:paddingRight="6dp"
+                                    android:singleLine="true"
+                                    android:textColor="@color/tv_text_summary"
+                                    android:textSize="13sp"
+                                    tools:ignore="NestedWeights,RtlHardcoded,RtlSymmetry"
+                                    tools:text="@string/group_s" />
+
+                                <io.legado.app.ui.widget.text.AccentBgTextView
+                                    android:id="@+id/tv_change_group"
+                                    android:layout_width="wrap_content"
+                                    android:layout_height="wrap_content"
+                                    android:layout_marginStart="8dp"
+                                    android:paddingLeft="5dp"
+                                    android:paddingRight="5dp"
+                                    android:text="@string/change_group"
+                                    android:textSize="13sp"
+                                    app:radius="2dp" />
+
+                            </LinearLayout>
+
+                            <LinearLayout
+                                android:id="@+id/ll_toc"
+                                android:layout_width="match_parent"
+                                android:layout_height="wrap_content"
+                                android:gravity="center_vertical"
+                                android:orientation="horizontal"
+                                android:paddingTop="3dp"
+                                android:paddingBottom="3dp">
+
+                                <ImageView
+                                    android:layout_width="18sp"
+                                    android:layout_height="18sp"
+                                    android:contentDescription="@string/read_dur_progress"
+                                    android:paddingRight="2dp"
+                                    android:src="@drawable/ic_folder_open"
+                                    app:tint="@color/tv_text_summary"
+                                    tools:ignore="RtlHardcoded,RtlSymmetry" />
+
+                                <TextView
+                                    android:id="@+id/tv_toc"
+                                    android:layout_width="0dp"
+                                    android:layout_height="wrap_content"
+                                    android:layout_weight="1"
+                                    android:ellipsize="end"
+                                    android:includeFontPadding="false"
+                                    android:paddingRight="6dp"
+                                    android:singleLine="true"
+                                    android:textColor="@color/tv_text_summary"
+                                    android:textSize="13sp"
+                                    tools:ignore="NestedWeights,RtlHardcoded,RtlSymmetry"
+                                    tools:text="@string/toc_s" />
+
+                                <io.legado.app.ui.widget.text.AccentBgTextView
+                                    android:id="@+id/tv_toc_view"
+                                    android:layout_width="wrap_content"
+                                    android:layout_height="wrap_content"
+                                    android:layout_marginStart="8dp"
+                                    android:paddingLeft="5dp"
+                                    android:paddingRight="5dp"
+                                    android:text="@string/view_toc"
+                                    android:textSize="13sp"
+                                    app:radius="2dp" />
+
+                            </LinearLayout>
 
                         </LinearLayout>
 
-                        <LinearLayout
+                        <io.legado.app.ui.widget.text.ScrollTextView
+                            android:id="@+id/tv_intro"
                             android:layout_width="match_parent"
                             android:layout_height="wrap_content"
-                            android:gravity="center_vertical"
-                            android:orientation="horizontal"
-                            android:paddingTop="3dp"
-                            android:paddingBottom="3dp">
-
-                            <ImageView
-                                android:layout_width="18sp"
-                                android:layout_height="18sp"
-                                android:paddingRight="2dp"
-                                android:src="@drawable/ic_groups"
-                                app:tint="@color/tv_text_summary"
-                                android:contentDescription="@string/read_dur_progress"
-                                tools:ignore="RtlHardcoded,RtlSymmetry" />
-
-                            <TextView
-                                android:id="@+id/tv_group"
-                                android:layout_width="0dp"
-                                android:layout_height="wrap_content"
-                                android:layout_weight="1"
-                                android:ellipsize="end"
-                                android:includeFontPadding="false"
-                                android:paddingRight="6dp"
-                                android:singleLine="true"
-                                android:textColor="@color/tv_text_summary"
-                                android:textSize="13sp"
-                                tools:ignore="NestedWeights,RtlHardcoded,RtlSymmetry"
-                                tools:text="@string/group_s" />
-
-                            <io.legado.app.ui.widget.text.AccentBgTextView
-                                android:id="@+id/tv_change_group"
-                                android:layout_width="wrap_content"
-                                android:layout_height="wrap_content"
-                                android:layout_marginStart="8dp"
-                                android:paddingLeft="5dp"
-                                android:paddingRight="5dp"
-                                android:text="@string/change_group"
-                                android:textSize="13sp"
-                                app:radius="2dp" />
-
-                        </LinearLayout>
-
-                        <LinearLayout
-                            android:id="@+id/ll_toc"
-                            android:layout_width="match_parent"
-                            android:layout_height="wrap_content"
-                            android:gravity="center_vertical"
-                            android:orientation="horizontal"
-                            android:paddingTop="3dp"
-                            android:paddingBottom="3dp">
-
-                            <ImageView
-                                android:layout_width="18sp"
-                                android:layout_height="18sp"
-                                android:contentDescription="@string/read_dur_progress"
-                                android:paddingRight="2dp"
-                                android:src="@drawable/ic_folder_open"
-                                app:tint="@color/tv_text_summary"
-                                tools:ignore="RtlHardcoded,RtlSymmetry" />
-
-                            <TextView
-                                android:id="@+id/tv_toc"
-                                android:layout_width="0dp"
-                                android:layout_height="wrap_content"
-                                android:layout_weight="1"
-                                android:ellipsize="end"
-                                android:includeFontPadding="false"
-                                android:paddingRight="6dp"
-                                android:singleLine="true"
-                                android:textColor="@color/tv_text_summary"
-                                android:textSize="13sp"
-                                tools:ignore="NestedWeights,RtlHardcoded,RtlSymmetry"
-                                tools:text="@string/toc_s" />
-
-                            <io.legado.app.ui.widget.text.AccentBgTextView
-                                android:id="@+id/tv_toc_view"
-                                android:layout_width="wrap_content"
-                                android:layout_height="wrap_content"
-                                android:layout_marginStart="8dp"
-                                android:paddingLeft="5dp"
-                                android:paddingRight="5dp"
-                                android:text="@string/view_toc"
-                                android:textSize="13sp"
-                                app:radius="2dp" />
-
-                        </LinearLayout>
+                            android:layout_marginTop="8dp"
+                            android:clickable="true"
+                            android:focusable="true"
+                            android:minHeight="48dp"
+                            android:paddingLeft="8dp"
+                            android:paddingBottom="8dp"
+                            android:text="@string/book_intro"
+                            android:textColor="@color/secondaryText"
+                            android:textSize="14sp"
+                            android:visibility="visible"
+                            tools:ignore="RtlHardcoded,RtlSymmetry" />
 
                     </LinearLayout>
 
-                    <io.legado.app.ui.widget.text.ScrollTextView
-                        android:id="@+id/tv_intro"
-                        android:layout_width="match_parent"
-                        android:layout_height="wrap_content"
-                        android:layout_marginTop="8dp"
-                        android:clickable="true"
-                        android:focusable="true"
-                        android:minHeight="48dp"
-                        android:paddingLeft="8dp"
-                        android:paddingBottom="8dp"
-                        android:text="@string/book_intro"
-                        android:textColor="@color/secondaryText"
-                        android:textSize="14sp"
-                        android:visibility="visible"
-                        tools:ignore="RtlHardcoded,RtlSymmetry" />
-
                 </LinearLayout>
 
             </ScrollView>
 
-            <View
-                android:layout_width="match_parent"
-                android:layout_height="1px"
-                android:background="@color/bg_divider_line" />
+        </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
 
-            <LinearLayout
-                android:id="@+id/fl_action"
-                android:layout_width="match_parent"
-                android:layout_height="50dp"
-                android:background="@color/background_menu"
-                android:orientation="horizontal"
-                app:layout_constraintBottom_toBottomOf="parent">
+        <View
+            android:layout_width="match_parent"
+            android:layout_height="1px"
+            android:background="@color/bg_divider_line" />
 
-                <TextView
-                    android:id="@+id/tv_shelf"
-                    android:layout_width="0dp"
-                    android:layout_height="match_parent"
-                    android:layout_weight="1"
-                    android:background="?attr/selectableItemBackground"
-                    android:clickable="true"
-                    android:focusable="true"
-                    android:gravity="center"
-                    android:includeFontPadding="false"
-                    android:text="@string/remove_from_bookshelf"
-                    android:textColor="@color/primaryText"
-                    android:textSize="15sp" />
+        <LinearLayout
+            android:id="@+id/fl_action"
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:background="@color/background_menu"
+            android:orientation="horizontal"
+            app:layout_constraintBottom_toBottomOf="parent">
 
-                <io.legado.app.ui.widget.text.AccentBgTextView
-                    android:id="@+id/tv_read"
-                    android:layout_width="0dp"
-                    android:layout_height="match_parent"
-                    android:layout_weight="1"
-                    android:gravity="center"
-                    android:includeFontPadding="false"
-                    android:text="@string/reading"
-                    android:textSize="15sp" />
+            <TextView
+                android:id="@+id/tv_shelf"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_weight="1"
+                android:background="?attr/selectableItemBackground"
+                android:clickable="true"
+                android:focusable="true"
+                android:gravity="center"
+                android:includeFontPadding="false"
+                android:text="@string/remove_from_bookshelf"
+                android:textColor="@color/primaryText"
+                android:textSize="15sp" />
 
-            </LinearLayout>
+            <io.legado.app.ui.widget.text.AccentBgTextView
+                android:id="@+id/tv_read"
+                android:layout_width="0dp"
+                android:layout_height="match_parent"
+                android:layout_weight="1"
+                android:gravity="center"
+                android:includeFontPadding="false"
+                android:text="@string/reading"
+                android:textSize="15sp" />
 
         </LinearLayout>
 
-    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
+    </LinearLayout>
 
 </androidx.constraintlayout.widget.ConstraintLayout>