diff --git a/study.sql b/study.sql
new file mode 100644
index 0000000..0489338
--- /dev/null
+++ b/study.sql
@@ -0,0 +1,44 @@
+/*
+ Navicat Premium Data Transfer
+
+ Source Server         : 本地数据库
+ Source Server Type    : MySQL
+ Source Server Version : 80033 (8.0.33)
+ Source Host           : 192.168.1.88:3306
+ Source Schema         : study
+
+ Target Server Type    : MySQL
+ Target Server Version : 80033 (8.0.33)
+ File Encoding         : 65001
+
+ Date: 29/04/2023 09:54:29
+*/
+
+SET NAMES utf8mb4;
+SET FOREIGN_KEY_CHECKS = 0;
+
+-- ----------------------------
+-- Table structure for db_account
+-- ----------------------------
+DROP TABLE IF EXISTS `db_account`;
+CREATE TABLE `db_account` (
+  `id` int NOT NULL AUTO_INCREMENT,
+  `email` varchar(255) DEFAULT NULL,
+  `username` varchar(255) DEFAULT NULL,
+  `password` varchar(255) DEFAULT NULL,
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+
+-- ----------------------------
+-- Table structure for persistent_logins
+-- ----------------------------
+DROP TABLE IF EXISTS `persistent_logins`;
+CREATE TABLE `persistent_logins` (
+  `username` varchar(64) NOT NULL,
+  `series` varchar(64) NOT NULL,
+  `token` varchar(64) NOT NULL,
+  `last_used` timestamp NOT NULL,
+  PRIMARY KEY (`series`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci;
+
+SET FOREIGN_KEY_CHECKS = 1;