diff --git a/novel-crawl/src/main/java/com/java2nb/novel/core/listener/StarterListener.java b/novel-crawl/src/main/java/com/java2nb/novel/core/listener/StarterListener.java
index 6240ea6..711ed77 100644
--- a/novel-crawl/src/main/java/com/java2nb/novel/core/listener/StarterListener.java
+++ b/novel-crawl/src/main/java/com/java2nb/novel/core/listener/StarterListener.java
@@ -53,6 +53,7 @@ public class StarterListener implements ServletContextListener {
                             //这里只做老书更新
                             book.setCrawlLastTime(currentDate);
                             book.setId(needUpdateBook.getId());
+                            book.setPicUrl(needUpdateBook.getPicUrl());
                             //查询已存在的章节
                             Map<Integer, BookIndex> existBookIndexMap = bookService.queryExistBookIndexMap(needUpdateBook.getId());
                             //解析章节目录
diff --git a/novel-crawl/src/main/java/com/java2nb/novel/service/impl/BookServiceImpl.java b/novel-crawl/src/main/java/com/java2nb/novel/service/impl/BookServiceImpl.java
index dd99165..dd0f3fc 100644
--- a/novel-crawl/src/main/java/com/java2nb/novel/service/impl/BookServiceImpl.java
+++ b/novel-crawl/src/main/java/com/java2nb/novel/service/impl/BookServiceImpl.java
@@ -6,7 +6,9 @@ import com.java2nb.novel.entity.BookContent;
 import com.java2nb.novel.entity.BookIndex;
 import com.java2nb.novel.mapper.*;
 import com.java2nb.novel.service.BookService;
+import com.java2nb.novel.utils.Constants;
 import lombok.RequiredArgsConstructor;
+import org.mybatis.dynamic.sql.Constant;
 import org.mybatis.dynamic.sql.render.RenderingStrategies;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -20,6 +22,7 @@ import java.util.stream.Collectors;
 
 import static com.java2nb.novel.mapper.BookDynamicSqlSupport.crawlBookId;
 import static com.java2nb.novel.mapper.BookDynamicSqlSupport.crawlSourceId;
+import static com.java2nb.novel.mapper.BookDynamicSqlSupport.picUrl;
 import static com.java2nb.novel.mapper.CrawlSourceDynamicSqlSupport.id;
 import static org.mybatis.dynamic.sql.SqlBuilder.*;
 import static org.mybatis.dynamic.sql.select.SelectDSL.select;
@@ -165,6 +168,10 @@ public class BookServiceImpl implements BookService {
         book.setUpdateTime(currentDate);
         book.setBookName(null);
         book.setAuthorName(null);
+        if(book.getPicUrl()!=null && book.getPicUrl().startsWith(Constants.LOCAL_PIC_PREFIX)) {
+            //本地图片则不更新
+            book.setPicUrl(null);
+        }
         bookMapper.updateByPrimaryKeySelective(book);
 
     }
diff --git a/novel-crawl/src/main/java/com/java2nb/novel/utils/Constants.java b/novel-crawl/src/main/java/com/java2nb/novel/utils/Constants.java
new file mode 100644
index 0000000..9d88e85
--- /dev/null
+++ b/novel-crawl/src/main/java/com/java2nb/novel/utils/Constants.java
@@ -0,0 +1,12 @@
+package com.java2nb.novel.utils;
+
+/**
+ * @author Administrator
+ */
+public class Constants {
+
+    /**
+     * 本地图片保存前缀
+     * */
+    public static final String LOCAL_PIC_PREFIX = "/localPic/";
+}
diff --git a/novel-crawl/src/main/resources/mybatis/mapping/BookMapper.xml b/novel-crawl/src/main/resources/mybatis/mapping/BookMapper.xml
index 77f9516..fcc5eda 100644
--- a/novel-crawl/src/main/resources/mybatis/mapping/BookMapper.xml
+++ b/novel-crawl/src/main/resources/mybatis/mapping/BookMapper.xml
@@ -5,7 +5,7 @@
 
     <select id="queryNeedUpdateBook" resultType="com.java2nb.novel.entity.Book">
 
-        select id,crawl_source_id,crawl_book_id,crawl_last_time
+        select id,crawl_source_id,crawl_book_id,crawl_last_time,pic_url
         from book where last_index_update_time > #{startDate}
         order by crawl_last_time
         limit ${limit}
diff --git a/novel-front/src/main/resources/templates/mobile/book/book_content.html b/novel-front/src/main/resources/templates/mobile/book/book_content.html
index d3b62e5..afee37f 100644
--- a/novel-front/src/main/resources/templates/mobile/book/book_content.html
+++ b/novel-front/src/main/resources/templates/mobile/book/book_content.html
@@ -29,202 +29,6 @@
     <script th:fragment="js" src="/mobile/js/jquery-1.9.1.js"></script>
     <script th:fragment="js" src="/mobile/layui/layui.all.js"></script>
     </div>
-    <script>
-        var isShowKey = "isShowKey";
-        // 弹幕定时器
-        var timers = [];
-
-
-        function showOrHiddenBullet() {
-            var isShow = eval(localStorage.getItem(isShowKey));//eval方法动态将参数运算成一个字符串,然后自动判断了字符串的类型,true被认为是boolean类型的变量.javascript的弱类型机制.通过eval运算可以动态获取运算后参数的类型.
-            if (isShow) {
-                $(".bullet").css("display", "none");
-                $(".screen_toolbar").css("display", "none");
-                $("[lay-skin='_switch']").removeClass("layui-form-onswitch");
-                localStorage.setItem(isShowKey, false);
-                $(".bullet").remove();
-                setTimeout(function () {
-                    $(".bullet").remove();
-                },1000)
-            } else {
-                $(".bullet").css("display", "block");
-                $(".screen_toolbar").css("display", "block");
-                $("[lay-skin='_switch']").addClass("layui-form-onswitch");
-                localStorage.setItem(isShowKey, true);
-                loadBullet();
-            }
-        }
-
-        // 新建一个弹幕
-        function createScreenbullet(text) {
-            var jqueryDom = $("<div class='bullet'>" + text + "</div>");
-            var fontColor = "rgb(" + Math.floor(Math.random() * 256) + "," + Math.floor(Math.random() * 256) + "," + Math.floor(Math.random()) + ")";
-            var fontSize = Math.floor((Math.random() + 1) * 18) + "px";
-            var left = $(".screen_container").width() + "px";
-            var windowHeight = $(window).height();
-            var top = windowHeight/2 + Math.floor(Math.random() * (windowHeight/2-100));
-            //top = parseInt(top) > windowHeight - 100 ? (windowHeight - 100) + "px" : top + "px";
-            jqueryDom.css({
-                "position": 'fixed',
-                "color": fontColor,
-                "font-size": fontSize,
-                "left": left,
-                "top": top
-            });
-            $(".screen_container").append(jqueryDom);
-            return jqueryDom;
-        }
-
-        // 为弹幕添加定时任务
-        function addInterval(jqueryDom) {
-            var left = jqueryDom.offset().left - $(".screen_container").offset().left;
-            var timer = setInterval(function () {
-                left--;
-                jqueryDom.css("left", left + "px");
-                if (jqueryDom.offset().left + jqueryDom.width() < $(".screen_container").offset().left) {
-                    jqueryDom.remove();
-                    clearInterval(timer);
-                }
-            }, 10);
-            timers.push(timer);
-        }
-
-        function loadBullet() {
-            var contentId = $("#contentIdHidden").val();
-            $.ajax({
-                type: "POST",
-                url: "/book/queryBullet",
-                contentType: 'application/x-www-form-urlencoded;charset=utf-8',
-                data: {contentId: contentId},
-                dataType: "json",
-                success: function (data) {
-                    var lastCreateTime ;
-                    var currentCreateTime;
-
-                    var i = 0;
-                    var sllepTime = 0;
-                    if(data.length>0){
-                        var schedule = setInterval(function () {
-                            if(!eval(localStorage.getItem(isShowKey))){
-                                clearInterval(schedule);
-                            }
-                            if(data.length>i) {
-                                currentCreateTime = new Date(data[i].createTime).getTime();
-                                if (lastCreateTime && currentCreateTime - lastCreateTime > 60000 && sllepTime <= 3000) {
-                                    if (sllepTime == 3000) {
-                                        lastCreateTime = currentCreateTime;
-                                    }
-                                    sllepTime += 3000;
-                                } else {
-                                    sllepTime = 0;
-                                    var bullet = data[i].screenBullet;
-                                    // 创建弹幕
-                                    var jqueryDom = createScreenbullet(bullet);
-                                    // 添加定时任务
-                                    addInterval(jqueryDom);
-                                    i++;
-                                    lastCreateTime = currentCreateTime;
-                                }
-                            }
-
-
-
-                        }, 1000);
-                    }
-                    console.log(data);
-                },
-                error: function (e) {
-                    console.log(e);
-                    layer.alert("加载弹幕失败");
-                    return;
-                }
-            });
-
-        }
-
-        $(function () {
-            // 控制弹幕显隐变量
-            //监听键盘事件
-            $("#screenBulletText").keypress(function (even) {
-                if (even.which == 13) {
-                    //enter键按下
-                    sendBullet();
-                }
-            });
-            // 监听发送按钮
-            $(".send").on("click", function () {
-                sendBullet();
-            });
-            // 监听关闭弹幕按钮
-            $("[lay-skin='_switch']").click(function () {
-                showOrHiddenBullet();
-            });
-            var isShow = eval(localStorage.getItem(isShowKey));
-            if(isShow == undefined){
-                isShow = true;//第一次使用，默认开启屏幕
-                layer.open({
-                    content: '是否需要关闭小说弹幕，之后可通过右下角开关打开！'
-                    ,btn: ['是', '否']
-                    ,btn1: function(index, layero){
-                        showOrHiddenBullet();
-                        layer.close(index);
-                    }
-                    ,btn2: function(index, layero){
-                        //按钮【按钮二】的回调
-
-                        //return false 开启该代码可禁止点击该按钮关闭
-                    }
-
-                });
-            }
-            localStorage.setItem(isShowKey, !isShow);
-          // showOrHiddenBullet();
-
-
-        });
-
-        function sleep(n) {
-
-            var start = new Date().getTime();
-
-            while(true)  if(new Date().getTime()-start > n) break;
-
-        }
-        //发送弹幕
-        function sendBullet(){
-            var bullet = $("#screenBulletText").val().replace(/</g, "&lt;").replace(/>/g, "&gt;");
-            var contentId = $("#contentIdHidden").val();
-            if (bullet && contentId) {
-                if(bullet.length > 100){
-                    layer.alert("发送内容过长");
-                    return;
-                }
-                $.ajax({
-                    type: "POST",
-                    url: "/book/sendBullet",
-                    contentType: 'application/x-www-form-urlencoded;charset=utf-8',
-                    data: {contentId: contentId, bullet: bullet},
-                    dataType: "json",
-                    success: function (data) {
-                        console.log(data);
-                        var bullet = $("#screenBulletText").val("")
-                    },
-                    error: function (e) {
-                        console.log(e);
-                        layer.alert("发送失败");
-                        return;
-                    }
-                });
-            } else {
-                layer.alert("发送内容不能为空");
-                return;
-            }
-            // 创建弹幕
-            var jqueryDom = createScreenbullet(bullet);
-            // 添加定时任务
-            addInterval(jqueryDom);
-        }
-    </script>
 
     <style type="text/css">
         .line-limit-length {
@@ -398,9 +202,9 @@
 </p>
 <div class="indexDiv" style="height: 42px;line-height: 42px;text-align:center;background: #f2f2f2">
 
-    <a th:href="'/book/'+${book.id}+'/'+${preBookIndexId}+'.html'">上一章</a>
+    <a th:href="${preBookIndexId!=0?'/book/'+book.id+'/'+preBookIndexId+'.html':'#'}">上一章</a>
     <a th:href="'/book/indexList-'+${book.id}+'.html'">目录</a>
-    <a th:href="'/book/'+${book.id}+'/'+${nextBookIndexId}+'.html'">下一章</a>
+    <a th:href="${nextBookIndexId!=0?'/book/'+book.id+'/'+nextBookIndexId+'.html':'#'}">下一章</a>
 </div>
 <!--<div id="screenInput" class="screen_toolbar" style="display: none">
     <div style="height: 5px" class="layui-col-xs2 layui-col-sm3 layui-col-md3 layui-col-lg3"></div>
@@ -431,9 +235,10 @@
 </div>
 <div class="indexDiv" style="height: 42px;line-height: 42px;text-align:center;background: #f2f2f2">
 
-    <a th:href="'/book/'+${book.id}+'/'+${preBookIndexId}+'.html'">上一章</a>
+    <a th:href="${preBookIndexId!=0?'/book/'+book.id+'/'+preBookIndexId+'.html':'#'}">上一章</a>
     <a th:href="'/book/indexList-'+${book.id}+'.html'">目录</a>
-    <a th:href="'/book/'+${book.id}+'/'+${nextBookIndexId}+'.html'">下一章</a>
+    <a th:href="${nextBookIndexId!=0?'/book/'+book.id+'/'+nextBookIndexId+'.html':'#'}">下一章</a>
+
 </div>
 
 
diff --git a/sql/book_setting.sql b/sql/book_setting.sql
index 137ed1a..a9c95c4 100644
--- a/sql/book_setting.sql
+++ b/sql/book_setting.sql
@@ -10,7 +10,7 @@ Target Server Type    : MYSQL
 Target Server Version : 50624
 File Encoding         : 65001
 
-Date: 2020-05-02 14:49:24
+Date: 2020-05-02 20:34:24
 */
 
 SET FOREIGN_KEY_CHECKS=0;
@@ -34,35 +34,35 @@ CREATE TABLE `book_setting` (
 -- ----------------------------
 -- Records of book_setting
 -- ----------------------------
-INSERT INTO `book_setting` VALUES ('32', '1256426898110472192', '1', '0', '2020-04-27 15:45:58', null, '2020-04-27 15:46:03', null);
-INSERT INTO `book_setting` VALUES ('33', '1256428364971827200', '2', '0', '2020-04-27 15:46:21', null, '2020-04-27 15:46:24', null);
-INSERT INTO `book_setting` VALUES ('34', '1256427853342236672', '3', '0', '2020-04-27 15:47:06', null, '2020-04-27 15:47:09', null);
-INSERT INTO `book_setting` VALUES ('35', '1256429556376461312', '4', '0', '2020-04-27 15:47:24', null, '2020-04-27 15:47:27', null);
-INSERT INTO `book_setting` VALUES ('36', '1256434212276199424', '1', '1', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('37', '1256427129677996032', '2', '1', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('38', '1256432786909093888', '3', '1', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('39', '1256428080056950784', '4', '1', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('40', '1256474111985532928', '5', '1', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('41', '1256474314285203456', '1', '2', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('42', '1256474119514308608', '2', '2', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('43', '1256473865536618496', '3', '2', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('44', '1256473751132782592', '4', '2', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('45', '1256473412258185216', '5', '2', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('46', '1256473170368479232', '6', '2', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('47', '1256473085719035904', '1', '3', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('48', '1256472696558927872', '2', '3', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('49', '1256474345134309376', '3', '3', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('50', '1256432786909093888', '4', '3', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('51', '1256427853342236672', '5', '3', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('52', '1256474119514308608', '6', '3', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('53', '1256427853342236672', '1', '4', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('54', '1256473751132782592', '2', '4', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('55', '1256428364971827200', '3', '4', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('56', '1256432786909093888', '4', '4', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('57', '1256427129677996032', '5', '4', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('58', '1256474314285203456', '6', '4', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('59', '1256474119514308608', '6', '1', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('60', '1256434330693984256', '7', '1', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('61', '1256471970466185216', '8', '1', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('62', '1256472024757256192', '9', '1', null, null, null, null);
-INSERT INTO `book_setting` VALUES ('63', '1256472346489733120', '10', '1', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('32', '1256508909831536640', '1', '0', '2020-04-27 15:45:58', null, '2020-04-27 15:46:03', null);
+INSERT INTO `book_setting` VALUES ('33', '1256509051074723840', '2', '0', '2020-04-27 15:46:21', null, '2020-04-27 15:46:24', null);
+INSERT INTO `book_setting` VALUES ('34', '1256509068665634816', '3', '0', '2020-04-27 15:47:06', null, '2020-04-27 15:47:09', null);
+INSERT INTO `book_setting` VALUES ('35', '1256509141025767424', '4', '0', '2020-04-27 15:47:24', null, '2020-04-27 15:47:27', null);
+INSERT INTO `book_setting` VALUES ('36', '1256509083035320320', '1', '1', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('37', '1256509249888927744', '2', '1', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('38', '1256509443724492800', '3', '1', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('39', '1256509817709608960', '4', '1', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('40', '1256509827104849920', '5', '1', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('41', '1256510337291599872', '1', '2', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('42', '1256510608612737024', '2', '2', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('43', '1256510825391144960', '3', '2', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('44', '1256509671097712640', '4', '2', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('45', '1256509888920502272', '5', '2', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('46', '1256512999282130944', '6', '2', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('47', '1256512853504901120', '1', '3', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('48', '1256512756742307840', '2', '3', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('49', '1256512442035290112', '3', '3', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('50', '1256560985525633024', '4', '3', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('51', '1256560647057883136', '5', '3', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('52', '1256554287595470848', '6', '3', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('53', '1256554246860390400', '1', '4', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('54', '1256554229982511104', '2', '4', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('55', '1256553502908301312', '3', '4', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('56', '1256553373446914048', '4', '4', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('57', '1256553684441972737', '5', '4', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('58', '1256553778306301952', '6', '4', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('59', '1256550223910486016', '6', '1', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('60', '1256550046172659712', '7', '1', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('61', '1256550349009797120', '8', '1', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('62', '1256548828624928768', '9', '1', null, null, null, null);
+INSERT INTO `book_setting` VALUES ('63', '1256508909831536640', '10', '1', null, null, null, null);