diff --git a/novel-front/src/main/java/xyz/zinglizingli/books/web/BookController.java b/novel-front/src/main/java/xyz/zinglizingli/books/web/BookController.java
index eb85b9b..6c535fb 100644
--- a/novel-front/src/main/java/xyz/zinglizingli/books/web/BookController.java
+++ b/novel-front/src/main/java/xyz/zinglizingli/books/web/BookController.java
@@ -321,7 +321,7 @@ public class BookController {
     @ResponseBody
     public Map<String, Object> sendBullet(@RequestParam("contentId") Long contentId, @RequestParam("bullet") String bullet) {
         Map<String, Object> result = new HashMap<>(2);
-        bookService.sendBullet(contentId, bullet);
+        bookService.sendBullet(contentId, bullet.replaceAll("<", "&lt;").replaceAll(">", "&gt;"));
         result.put("code", 1);
         result.put("desc", "ok");
         return result;
diff --git a/novel-front/src/main/resources/templates/books/book_content.html b/novel-front/src/main/resources/templates/books/book_content.html
index b26b42d..2e4683c 100644
--- a/novel-front/src/main/resources/templates/books/book_content.html
+++ b/novel-front/src/main/resources/templates/books/book_content.html
@@ -195,7 +195,7 @@
         }
         //发送弹幕
         function sendBullet(){
-            var bullet = $("#screenBulletText").val();
+            var bullet = $("#screenBulletText").val().replace(/</g, "&lt;").replace(/>/g, "&gt;");
             var contentId = $("#contentIdHidden").val();
             if (bullet && contentId) {
                 if(bullet.length > 100){
diff --git a/sql/books.sql b/sql/books.sql
index d29caf4..ef7b5c9 100644
--- a/sql/books.sql
+++ b/sql/books.sql
@@ -1,23 +1,4 @@
-/*
-Navicat MySQL Data Transfer
 
-Source Server         : aliyun_books
-Source Server Version : 80018
-Source Host           : 47.106.243.172:3306
-Source Database       : books
-
-Target Server Type    : MYSQL
-Target Server Version : 80018
-File Encoding         : 65001
-
-Date: 2019-11-15 06:10:36
-*/
-
-
-
--- ----------------------------
--- Table structure for `book`
--- ----------------------------
 DROP TABLE IF EXISTS `book`;
 CREATE TABLE `book` (
   `id` bigint(20) NOT NULL AUTO_INCREMENT,
@@ -1044,3 +1025,6 @@ INSERT INTO `book_update_time_log` VALUES ('7', '7', NOW());
 ALTER  TABLE  book_parse_log  drop  INDEX  uq_key_bookurl;
 
 alter table book_parse_log add column `priority` TINYINT(2) not null default 10 ;
+
+alter table book_parse_log add column `update_count` TINYINT(2) not null default 0 ;
+