diff --git a/pom.xml b/pom.xml
index c3bf7d9..b7c5e8f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -47,6 +47,15 @@
       <artifactId>commons-lang3</artifactId>
       <version>3.12.0</version>
     </dependency>
+
+    <!-- https://mvnrepository.com/artifact/com.alibaba/fastjson -->
+    <dependency>
+      <groupId>com.alibaba</groupId>
+      <artifactId>fastjson</artifactId>
+      <version>1.2.79</version>
+    </dependency>
+
+
   </dependencies>
   <build>
     <finalName>MessageBook2</finalName>
diff --git a/sql/webguestbook.sql b/sql/webguestbook.sql
new file mode 100644
index 0000000..cd12315
--- /dev/null
+++ b/sql/webguestbook.sql
@@ -0,0 +1,48 @@
+/*
+ Navicat Premium Data Transfer
+
+ Source Server         : MySQL
+ Source Server Type    : MySQL
+ Source Server Version : 80031 (8.0.31)
+ Source Host           : localhost:3306
+ Source Schema         : webguestbook
+
+ Target Server Type    : MySQL
+ Target Server Version : 80031 (8.0.31)
+ File Encoding         : 65001
+
+ Date: 08/10/2023 21:07:30
+*/
+
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+-- ----------------------------
+-- Table structure for admin
+-- ----------------------------
+DROP TABLE IF EXISTS `admin`;
+CREATE TABLE `admin`  (
+  `adminId` int NOT NULL AUTO_INCREMENT COMMENT 'ID',
+  `adminUserName` varchar(25) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NOT NULL COMMENT '管理员账号',
+  `adminPassword` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '管理员密码',
+  `is_valid` int NULL DEFAULT NULL COMMENT '是否有效（1为有效/0为无效）',
+  PRIMARY KEY (`adminId`) USING BTREE
+) ENGINE = InnoDB AUTO_INCREMENT = 9 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = Dynamic;
+
+-- ----------------------------
+-- Table structure for user
+-- ----------------------------
+DROP TABLE IF EXISTS `user`;
+CREATE TABLE `user`  (
+  `userId` int NOT NULL AUTO_INCREMENT COMMENT 'ID',
+  `nickname` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '昵称',
+  `qq` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT 'QQ',
+  `email` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '邮箱',
+  `content` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL COMMENT '留言内容',
+  `datetime` datetime NULL DEFAULT NULL COMMENT '留言日期',
+  `replyContent` longtext CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL COMMENT '回复内容',
+  `replyDateTime` datetime NULL DEFAULT NULL COMMENT '回复时间',
+  PRIMARY KEY (`userId`) USING BTREE
+) ENGINE = InnoDB AUTO_INCREMENT = 32 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = Dynamic;
+
+SET FOREIGN_KEY_CHECKS = 1;