diff --git a/app/src/main/assets/litepal.xml b/app/src/main/assets/litepal.xml
index 9729b78..91882d1 100644
--- a/app/src/main/assets/litepal.xml
+++ b/app/src/main/assets/litepal.xml
@@ -17,5 +17,7 @@
         <mapping class="com.novel.read.model.db.ChapterInfoBean" />
         <!--章节详情表-->
         <mapping class="com.novel.read.model.db.DownloadTaskBean" />
+        <!--书签表-->
+        <mapping class="com.novel.read.model.db.BookSignTable" />
     </list>
 </litepal>
\ No newline at end of file
diff --git a/app/src/main/java/com/novel/read/activity/NovelReadActivity.kt b/app/src/main/java/com/novel/read/activity/NovelReadActivity.kt
index e2f0217..01024fa 100644
--- a/app/src/main/java/com/novel/read/activity/NovelReadActivity.kt
+++ b/app/src/main/java/com/novel/read/activity/NovelReadActivity.kt
@@ -347,8 +347,8 @@ class NovelReadActivity : NovelBaseActivity(), DownloadService.OnDownloadListene
                 )
             ) { _, which ->
                 when (which) {
-                    0 //50章
-                    -> {
+                    0 -> {
+                        //50章
                         val last = currentChapter + 50
                         if (last > mCollBook!!.bookChapters.size) {
                             downLoadCache(mCollBook!!.bookChapters, mCollBook!!.bookChapters.size)
@@ -356,16 +356,15 @@ class NovelReadActivity : NovelBaseActivity(), DownloadService.OnDownloadListene
                             downLoadCache(mCollBook!!.bookChapters, last)
                         }
                     }
-                    1 //后面所有
-                    -> {
+                    1 -> {
+                        //后面所有
                         val lastBeans = ArrayList<BookChapterBean>()
                         for (i in currentChapter until mCollBook!!.bookChapters.size) {
                             lastBeans.add(mCollBook!!.bookChapters[i])
                         }
                         downLoadCache(lastBeans, mCollBook!!.bookChapters.size - currentChapter)
                     }
-                    2 //所有
-                    -> downLoadCache(mCollBook!!.bookChapters, mCollBook!!.bookChapters.size)
+                    2 -> downLoadCache(mCollBook!!.bookChapters, mCollBook!!.bookChapters.size) //所有
                     else -> {
                     }
                 }
@@ -391,12 +390,17 @@ class NovelReadActivity : NovelBaseActivity(), DownloadService.OnDownloadListene
             tvBookReadMode.text = resources.getString(R.string.book_read_mode_day)
             val drawable = ContextCompat.getDrawable(this, R.drawable.ic_read_menu_moring)
             tvBookReadMode.setCompoundDrawablesWithIntrinsicBounds(null, drawable, null, null)
-            cl_layout.setBackgroundColor(ContextCompat.getColor(this,R.color.nb_read_bg_night))
+            cl_layout.setBackgroundColor(ContextCompat.getColor(this, R.color.nb_read_bg_night))
         } else {
             tvBookReadMode.text = resources.getString(R.string.book_read_mode_day)
             val drawable = ContextCompat.getDrawable(this, R.drawable.ic_read_menu_night)
             tvBookReadMode.setCompoundDrawablesWithIntrinsicBounds(null, drawable, null, null)
-            cl_layout.setBackgroundColor(ContextCompat.getColor(this,ReadSettingManager.getInstance().pageStyle.bgColor))
+            cl_layout.setBackgroundColor(
+                ContextCompat.getColor(
+                    this,
+                    ReadSettingManager.getInstance().pageStyle.bgColor
+                )
+            )
         }
     }
 
diff --git a/app/src/main/java/com/novel/read/model/db/BookSignTable.java b/app/src/main/java/com/novel/read/model/db/BookSignTable.java
new file mode 100644
index 0000000..418016c
--- /dev/null
+++ b/app/src/main/java/com/novel/read/model/db/BookSignTable.java
@@ -0,0 +1,17 @@
+package com.novel.read.model.db;
+
+import org.litepal.crud.LitePalSupport;
+
+import java.io.Serializable;
+
+/**
+ * create by zlj on 2019/11/6
+ * describe: 书签数据库
+ */
+public class BookSignTable extends LitePalSupport implements Serializable {
+
+    private String bookId;
+    private String content;
+    private long saveTime;
+
+}
diff --git a/app/src/main/java/com/novel/read/model/db/ChapterInfoBean.java b/app/src/main/java/com/novel/read/model/db/ChapterInfoBean.java
index 13f87c5..76ffd48 100644
--- a/app/src/main/java/com/novel/read/model/db/ChapterInfoBean.java
+++ b/app/src/main/java/com/novel/read/model/db/ChapterInfoBean.java
@@ -1,9 +1,5 @@
 package com.novel.read.model.db;
 
-/**
- * Created by newbiechen on 17-5-10.
- */
-
 public class ChapterInfoBean {
     /**
      * title : 第一章 他叫白小纯
diff --git a/app/src/main/java/com/novel/read/model/db/CollBookBean.java b/app/src/main/java/com/novel/read/model/db/CollBookBean.java
index 2a7e54c..25d336b 100644
--- a/app/src/main/java/com/novel/read/model/db/CollBookBean.java
+++ b/app/src/main/java/com/novel/read/model/db/CollBookBean.java
@@ -10,7 +10,6 @@ import java.util.ArrayList;
 import java.util.List;
 
 /**
- * Created by newbiechen on 17-5-8.
  * 收藏的书籍
  */
 public class CollBookBean extends LitePalSupport implements Serializable {
diff --git a/app/src/main/java/com/novel/read/model/db/DownloadTaskBean.java b/app/src/main/java/com/novel/read/model/db/DownloadTaskBean.java
index 1560006..516223b 100644
--- a/app/src/main/java/com/novel/read/model/db/DownloadTaskBean.java
+++ b/app/src/main/java/com/novel/read/model/db/DownloadTaskBean.java
@@ -70,11 +70,6 @@ public class DownloadTaskBean extends LitePalSupport {
 
     public List<BookChapterBean> getBookChapterList() {
         if (bookChapterList == null) {
-
-//            BookChapterBeanDao targetDao = daoSession.getBookChapterBeanDao();
-//            List<BookChapterBean> bookChapterListNew = targetDao
-//                    ._queryDownloadTaskBean_BookChapterList(taskName);
-
             List<BookChapterBean> bookChapterListNew = LitePal
                     .where("taskName=?", taskName).find(BookChapterBean.class);