diff --git a/back/database/init.sql b/back/database/init.sql
new file mode 100644
index 0000000..a1f862f
--- /dev/null
+++ b/back/database/init.sql
@@ -0,0 +1,20 @@
+-- 创建数据库
+CREATE DATABASE IF NOT EXISTS cus DEFAULT CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
+
+-- 使用数据库
+USE cus;
+
+-- 创建用户表
+CREATE TABLE IF NOT EXISTS users (
+    id BIGINT PRIMARY KEY AUTO_INCREMENT COMMENT '主键ID',
+    user_id VARCHAR(16) UNIQUE NOT NULL COMMENT '用户ID',
+    username VARCHAR(64) UNIQUE NOT NULL COMMENT '用户名',
+    password VARCHAR(64) NOT NULL COMMENT '密码',
+    salt VARCHAR(16) NOT NULL COMMENT 'salt值',
+    email VARCHAR(128) COMMENT '邮箱',
+    phone VARCHAR(20) COMMENT '手机号',
+    wechat_appid VARCHAR(32) COMMENT '微信ID',
+    created_at DATETIME DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',
+    updated_at DATETIME DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '修改时间',
+    is_deleted TINYINT(1) DEFAULT 0 COMMENT '是否删除 (0-否，1-是)'
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='用户表';
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