diff --git a/src/models.py b/src/models.py
index 239cd0c..4db13eb 100644
--- a/src/models.py
+++ b/src/models.py
@@ -135,6 +135,36 @@ async def _create_tables(pool: aiomysql.Pool):
                 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
             """)
 
+            # 5. 用户表
+            await cur.execute("""
+                CREATE TABLE IF NOT EXISTS `tb_user` (
+                    `id` INT AUTO_INCREMENT PRIMARY KEY,
+                    `username` VARCHAR(45) UNIQUE NOT NULL,
+                    `password_hash` VARCHAR(256) NOT NULL,
+                    `role` VARCHAR(20) DEFAULT 'operator' COMMENT 'admin/operator',
+                    `is_active` TINYINT DEFAULT 1,
+                    `create_time` DATETIME DEFAULT CURRENT_TIMESTAMP
+                ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
+            """)
+
+            # 6. 日志表
+            await cur.execute("""
+                CREATE TABLE IF NOT EXISTS `tb_log` (
+                    `id` INT AUTO_INCREMENT PRIMARY KEY,
+                    `user_id` INT DEFAULT 0,
+                    `username` VARCHAR(45) DEFAULT '',
+                    `action_type` VARCHAR(30) NOT NULL COMMENT 'login/logout/command',
+                    `target` VARCHAR(100) DEFAULT '' COMMENT '操作对象',
+                    `detail` VARCHAR(500) DEFAULT '' COMMENT '详情',
+                    `result` VARCHAR(20) DEFAULT 'ok' COMMENT 'ok/error',
+                    `ip` VARCHAR(45) DEFAULT '',
+                    `create_time` DATETIME DEFAULT CURRENT_TIMESTAMP,
+                    INDEX `idx_username` (`username`),
+                    INDEX `idx_action_type` (`action_type`),
+                    INDEX `idx_create_time` (`create_time`)
+                ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4
+            """)
+
             logger.info("数据库表初始化完成")