diff --git "a/\345\274\200\345\217\221\346\226\207\346\241\243/API\346\226\207\346\241\243.md" "b/\345\274\200\345\217\221\346\226\207\346\241\243/API\346\226\207\346\241\243.md"
index e5acc05..f46d856 100644
--- "a/\345\274\200\345\217\221\346\226\207\346\241\243/API\346\226\207\346\241\243.md"
+++ "b/\345\274\200\345\217\221\346\226\207\346\241\243/API\346\226\207\346\241\243.md"
@@ -114,3 +114,292 @@
 | -------- | ------------------------------------------------------------ |
 | 用户迁移 | `bool UploadProfile(Profile pr)`<br />`ProfileID GetProfile(ProfileID)`<br />`bool examineProfile(bool passornot)`<br />`List[Profile] GetToExamines()`<br /> |
 
+
+
+# 环境变量维护值
+
+* TrackerURL
+* 预期做种数
+* FakeTime：做假种次数
+* BegVote:悬赏种子的投票阈值
+
+
+
+
+
+# 数据表设计
+
+* User表：存储用户的基本信息
+  * 用户ID（字符串），邮箱（字符串）：主键，唯一标识，
+  * 用户名：字符串
+  * 密码：字符串
+  * 性别：m或者f，
+  * 学校：字符串，
+  * 头像URL：字符串
+  * 个人说明：字符串
+  * 账户状态：是否被ban，布尔值（0正常，1被ban）
+  * 用户剩余可邀请数量
+* 用户邀请表
+  * 用户ID：字符串，主键
+  * 邀请人邮箱：字符串，主键
+  * 邀请人是否注册：布尔值
+* UserPT表：存储用户的PT站信息
+  * 用户ID：主键，应该设置为User表的外键（User表中有这里才能插入，User表删除了，这里必须要删除）
+  * 魔力值：整数，用于兑换上传量，下载量，VIP次数
+  * 上传量：整数，
+  * 下载量：整数
+  * 分享率：小数
+  * 参与播种机制默认磁盘位置：字符串
+  * VIP下载次数：整数
+* Seed：种子表，存放每个种子的基本信息
+  * SeedID：种子ID，每个种子的唯一编号，主键，字符串
+  * 保种用户ID：字符串
+  * 标记假种次数：如果检测到一次则加一，成功了清0，大于环境变量的FakeTime则标记为Cheat
+  * 上次假种检查时间
+  * 外部下载URL：字符串
+  * 标题：字符串
+  * 副标题：字符串
+  * 种子大小：字符串
+  * 种子标签：字符串
+  * 种子热度（下载量）：整数
+* SeedDownload：种子文件下载表（每一条记录表示一次传输任务）
+  * 传输任务ID：唯一标识每次传输任务
+  * 用户id：字符串，应该设置为User表的外键（User表中有这里才能插入，User表删除了，这里必须要删除）
+  * 种子id：下载的哪个种子文件，应该设置为Seed表的外键（Seed表中有这里才能插入，Seed表删除了，这里必须要删除）
+  * 下载开始时间：
+  * 下载完成时间：
+  * 是否是专线下载：bool，0表示正常，1表示专线
+  * 下载端ip
+* VipSeed：缓存种子数据表
+  * 种子id：应该设置为Seed表的外键（Seed表中有这里才能插入，Seed表删除了，这里必须要删除）
+  * 做种数（小于等于环境变量：预期做种数）
+  * 奖励魔力值数量：
+  * 是否继续缓存：0表示继续缓存，1表示不在缓存中
+
+* Transport：种子传输信息表
+  * 传输任务ID：唯一标识每次传输任务，每次增量的时候通过选择ID然后增加对应字段值，主键
+  * 上传用户ID：字符串，主键，同时应该是User表的外键（User表中有这里才能插入，User表删除了，这里必须要删除）
+  * 下载用户ID：字符串，主键，同时应该是User表的外键（User表中有这里才能插入，User表删除了，这里必须要删除）
+  * 种子id：字符串必须是Seed的外键，（Seed表中有这里才能插入，Seed表删除了，这里必须要删除）
+  * 用户上传量：整数
+  * 用户下载量：整数
+  * 用户上传峰值：整数
+  * 用户下载峰值：整数
+
+* BegSeed：求种任务列表
+  * 求种帖子ID：唯一标识
+  * 求种人数：有多少个人页点了“求种”，整数
+  * 悬赏魔力值：（悬赏者付10%的钱）
+  * 悬赏截止时间：
+  * 是否有合适种子
+* SubmitSeed：提交悬赏任务
+  * 求种ID：唯一标识需要是BegSeed的外键
+  * 种子ID：唯一标识：需要是Seed的外键
+  * 投票：大于环境变量设置票数则在BegSeed中更新为合适
+* 帖子表
+  * 帖子ID：唯一标识
+  * 标题，
+  * 内容，
+  * 发帖用户，
+  * 发帖时间，
+  * 回复数量，
+  * 查看次数
+* 帖子回复表
+  * 回复ID，
+  * 回复对应帖子ID（要是帖子表的外键）
+  * 回复内容，
+  * 回复用户，
+  * 回复时间
+
+* 公告表
+  * 公告ID
+  * 公告内容，
+  * 公告状态：布尔值，表示是否公示
+  * 公共标签
+* 用户收藏夹表（没有主键）
+  * 用户ID（User表外键）
+  * 收藏的种子ID（Seed表外键，要设置级联删除）
+* 用户迁移表
+  * 迁移任务ID：唯一标识
+  * 用户ID：外键
+  * 迁移申请书的URL
+  * 是否评审通过
+  * 待发放魔力值
+  * 已发放魔力值
+  * 待发放上传量
+  * 已发放上传量
+
+```sql
+-- 用户表
+CREATE TABLE `User` (
+  `user_id` VARCHAR(36) NOT NULL,
+  `email` VARCHAR(255) NOT NULL,
+  `username` VARCHAR(100) NOT NULL,
+  `password` VARCHAR(255) NOT NULL,
+  `gender` ENUM('m','f') NOT NULL,
+  `school` VARCHAR(255) DEFAULT NULL,
+  `avatar_url` VARCHAR(255) DEFAULT NULL,
+  `bio` TEXT,
+  `account_status` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '0=正常,1=被ban',
+  `invite_left` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`user_id`,`email`),
+  UNIQUE KEY `uniq_email` (`email`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 用户邀请表
+CREATE TABLE `UserInvite` (
+  `user_id` VARCHAR(36) NOT NULL,
+  `inviter_email` VARCHAR(255) NOT NULL,
+  `inviter_registered` TINYINT(1) NOT NULL DEFAULT 0,
+  PRIMARY KEY (`user_id`,`inviter_email`),
+  CONSTRAINT `fk_ui_user` FOREIGN KEY (`user_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 用户 PT 信息表
+CREATE TABLE `UserPT` (
+  `user_id` VARCHAR(36) NOT NULL,
+  `magic` INT NOT NULL DEFAULT 0,
+  `uploaded` BIGINT NOT NULL DEFAULT 0,
+  `downloaded` BIGINT NOT NULL DEFAULT 0,
+  `ratio` DECIMAL(5,2) NOT NULL DEFAULT 0.00,
+  `default_seed_path` VARCHAR(255) DEFAULT NULL,
+  `vip_downloads` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`user_id`),
+  CONSTRAINT `fk_pt_user` FOREIGN KEY (`user_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 种子表
+CREATE TABLE `Seed` (
+  `seed_id` VARCHAR(64) NOT NULL,
+  `owner_user_id` VARCHAR(36) NOT NULL,
+  `fake_hits` INT NOT NULL DEFAULT 0,
+  `last_fake_check` DATETIME DEFAULT NULL,
+  `external_url` VARCHAR(255) DEFAULT NULL,
+  `title` VARCHAR(255) NOT NULL,
+  `subtitle` VARCHAR(255) DEFAULT NULL,
+  `size` VARCHAR(50) NOT NULL,
+  `tags` VARCHAR(255) DEFAULT NULL,
+  `popularity` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`seed_id`),
+  CONSTRAINT `fk_seed_user` FOREIGN KEY (`owner_user_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 种子下载表
+CREATE TABLE `SeedDownload` (
+  `task_id` VARCHAR(64) NOT NULL,
+  `user_id` VARCHAR(36) NOT NULL,
+  `seed_id` VARCHAR(64) NOT NULL,
+  `download_start` DATETIME NOT NULL,
+  `download_end` DATETIME DEFAULT NULL,
+  `is_dedicated` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '0=普通,1=专线',
+  `client_ip` VARCHAR(45) DEFAULT NULL,
+  PRIMARY KEY (`task_id`),
+  CONSTRAINT `fk_sd_user` FOREIGN KEY (`user_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_sd_seed` FOREIGN KEY (`seed_id`) REFERENCES `Seed`(`seed_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 缓存种子数据表
+CREATE TABLE `VipSeed` (
+  `seed_id` VARCHAR(64) NOT NULL,
+  `seeder_count` INT NOT NULL DEFAULT 0,
+  `reward_magic` INT NOT NULL DEFAULT 0,
+  `stop_caching` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '0=继续缓存,1=不缓存',
+  PRIMARY KEY (`seed_id`),
+  CONSTRAINT `fk_vip_seed` FOREIGN KEY (`seed_id`) REFERENCES `Seed`(`seed_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 传输信息表
+CREATE TABLE `Transport` (
+  `task_id` VARCHAR(64) NOT NULL,
+  `uploader_id` VARCHAR(36) NOT NULL,
+  `downloader_id` VARCHAR(36) NOT NULL,
+  `seed_id` VARCHAR(64) NOT NULL,
+  `uploaded` BIGINT NOT NULL DEFAULT 0,
+  `downloaded` BIGINT NOT NULL DEFAULT 0,
+  `upload_peak` BIGINT NOT NULL DEFAULT 0,
+  `download_peak` BIGINT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`task_id`, `uploader_id`, `downloader_id`),
+  CONSTRAINT `fk_tr_user_up` FOREIGN KEY (`uploader_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_tr_user_down` FOREIGN KEY (`downloader_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_tr_seed` FOREIGN KEY (`seed_id`) REFERENCES `Seed`(`seed_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 求种任务表
+CREATE TABLE `BegSeed` (
+  `beg_id` VARCHAR(64) NOT NULL,
+  `beg_count` INT NOT NULL DEFAULT 0,
+  `reward_magic` INT NOT NULL DEFAULT 0,
+  `deadline` DATETIME NOT NULL,
+  `has_match` TINYINT(1) NOT NULL DEFAULT 0,
+  PRIMARY KEY (`beg_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 提交悬赏任务表
+CREATE TABLE `SubmitSeed` (
+  `beg_id` VARCHAR(64) NOT NULL,
+  `seed_id` VARCHAR(64) NOT NULL,
+  `votes` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`beg_id`,`seed_id`),
+  CONSTRAINT `fk_ss_beg` FOREIGN KEY (`beg_id`) REFERENCES `BegSeed`(`beg_id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_ss_seed` FOREIGN KEY (`seed_id`) REFERENCES `Seed`(`seed_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 帖子表
+CREATE TABLE `Post` (
+  `post_id` VARCHAR(64) NOT NULL,
+  `title` VARCHAR(255) NOT NULL,
+  `content` TEXT NOT NULL,
+  `author_id` VARCHAR(36) NOT NULL,
+  `created_at` DATETIME NOT NULL,
+  `reply_count` INT NOT NULL DEFAULT 0,
+  `view_count` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`post_id`),
+  CONSTRAINT `fk_post_user` FOREIGN KEY (`author_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 帖子回复表
+CREATE TABLE `PostReply` (
+  `reply_id` VARCHAR(64) NOT NULL,
+  `post_id` VARCHAR(64) NOT NULL,
+  `content` TEXT NOT NULL,
+  `author_id` VARCHAR(36) NOT NULL,
+  `created_at` DATETIME NOT NULL,
+  PRIMARY KEY (`reply_id`),
+  CONSTRAINT `fk_pr_post` FOREIGN KEY (`post_id`) REFERENCES `Post`(`post_id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_pr_user` FOREIGN KEY (`author_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 公告表
+CREATE TABLE `Announcement` (
+  `announce_id` VARCHAR(64) NOT NULL,
+  `content` TEXT NOT NULL,
+  `is_public` TINYINT(1) NOT NULL DEFAULT 0,
+  `tag` VARCHAR(100) DEFAULT NULL,
+  PRIMARY KEY (`announce_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 用户收藏夹表
+CREATE TABLE `UserFavorite` (
+  `user_id` VARCHAR(36) NOT NULL,
+  `seed_id` VARCHAR(64) NOT NULL,
+  PRIMARY KEY (`user_id`,`seed_id`),
+  CONSTRAINT `fk_uf_user` FOREIGN KEY (`user_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_uf_seed` FOREIGN KEY (`seed_id`) REFERENCES `Seed`(`seed_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 用户迁移表
+CREATE TABLE `UserMigration` (
+  `migration_id` VARCHAR(64) NOT NULL,
+  `user_id` VARCHAR(36) NOT NULL,
+  `application_url` VARCHAR(255) NOT NULL,
+  `approved` TINYINT(1) NOT NULL DEFAULT 0,
+  `pending_magic` INT NOT NULL DEFAULT 0,
+  `granted_magic` INT NOT NULL DEFAULT 0,
+  `pending_uploaded` BIGINT NOT NULL DEFAULT 0,
+  `granted_uploaded` BIGINT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`migration_id`),
+  CONSTRAINT `fk_um_user` FOREIGN KEY (`user_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+```
+
diff --git "a/\345\274\200\345\217\221\346\226\207\346\241\243/create.sql" "b/\345\274\200\345\217\221\346\226\207\346\241\243/create.sql"
new file mode 100644
index 0000000..b5daae4
--- /dev/null
+++ "b/\345\274\200\345\217\221\346\226\207\346\241\243/create.sql"
@@ -0,0 +1,171 @@
+-- 用户表
+CREATE TABLE `User` (
+  `user_id` VARCHAR(36) NOT NULL,
+  `email` VARCHAR(255) NOT NULL,
+  `username` VARCHAR(100) NOT NULL,
+  `password` VARCHAR(255) NOT NULL,
+  `gender` ENUM('m','f') NOT NULL,
+  `school` VARCHAR(255) DEFAULT NULL,
+  `avatar_url` VARCHAR(255) DEFAULT NULL,
+  `bio` TEXT,
+  `account_status` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '0=正常,1=被ban',
+  `invite_left` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`user_id`,`email`),
+  UNIQUE KEY `uniq_email` (`email`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 用户邀请表
+CREATE TABLE `UserInvite` (
+  `user_id` VARCHAR(36) NOT NULL,
+  `inviter_email` VARCHAR(255) NOT NULL,
+  `inviter_registered` TINYINT(1) NOT NULL DEFAULT 0,
+  PRIMARY KEY (`user_id`,`inviter_email`),
+  CONSTRAINT `fk_ui_user` FOREIGN KEY (`user_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 用户 PT 信息表
+CREATE TABLE `UserPT` (
+  `user_id` VARCHAR(36) NOT NULL,
+  `magic` INT NOT NULL DEFAULT 0,
+  `uploaded` BIGINT NOT NULL DEFAULT 0,
+  `downloaded` BIGINT NOT NULL DEFAULT 0,
+  `ratio` DECIMAL(5,2) NOT NULL DEFAULT 0.00,
+  `default_seed_path` VARCHAR(255) DEFAULT NULL,
+  `vip_downloads` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`user_id`),
+  CONSTRAINT `fk_pt_user` FOREIGN KEY (`user_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 种子表
+CREATE TABLE `Seed` (
+  `seed_id` VARCHAR(64) NOT NULL,
+  `owner_user_id` VARCHAR(36) NOT NULL,
+  `fake_hits` INT NOT NULL DEFAULT 0,
+  `last_fake_check` DATETIME DEFAULT NULL,
+  `external_url` VARCHAR(255) DEFAULT NULL,
+  `title` VARCHAR(255) NOT NULL,
+  `subtitle` VARCHAR(255) DEFAULT NULL,
+  `size` VARCHAR(50) NOT NULL,
+  `tags` VARCHAR(255) DEFAULT NULL,
+  `popularity` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`seed_id`),
+  CONSTRAINT `fk_seed_user` FOREIGN KEY (`owner_user_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 种子下载表
+CREATE TABLE `SeedDownload` (
+  `task_id` VARCHAR(64) NOT NULL,
+  `user_id` VARCHAR(36) NOT NULL,
+  `seed_id` VARCHAR(64) NOT NULL,
+  `download_start` DATETIME NOT NULL,
+  `download_end` DATETIME DEFAULT NULL,
+  `is_dedicated` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '0=普通,1=专线',
+  `client_ip` VARCHAR(45) DEFAULT NULL,
+  PRIMARY KEY (`task_id`),
+  CONSTRAINT `fk_sd_user` FOREIGN KEY (`user_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_sd_seed` FOREIGN KEY (`seed_id`) REFERENCES `Seed`(`seed_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 缓存种子数据表
+CREATE TABLE `VipSeed` (
+  `seed_id` VARCHAR(64) NOT NULL,
+  `seeder_count` INT NOT NULL DEFAULT 0,
+  `reward_magic` INT NOT NULL DEFAULT 0,
+  `stop_caching` TINYINT(1) NOT NULL DEFAULT 0 COMMENT '0=继续缓存,1=不缓存',
+  PRIMARY KEY (`seed_id`),
+  CONSTRAINT `fk_vip_seed` FOREIGN KEY (`seed_id`) REFERENCES `Seed`(`seed_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 传输信息表
+CREATE TABLE `Transport` (
+  `task_id` VARCHAR(64) NOT NULL,
+  `uploader_id` VARCHAR(36) NOT NULL,
+  `downloader_id` VARCHAR(36) NOT NULL,
+  `seed_id` VARCHAR(64) NOT NULL,
+  `uploaded` BIGINT NOT NULL DEFAULT 0,
+  `downloaded` BIGINT NOT NULL DEFAULT 0,
+  `upload_peak` BIGINT NOT NULL DEFAULT 0,
+  `download_peak` BIGINT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`task_id`, `uploader_id`, `downloader_id`),
+  CONSTRAINT `fk_tr_user_up` FOREIGN KEY (`uploader_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_tr_user_down` FOREIGN KEY (`downloader_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_tr_seed` FOREIGN KEY (`seed_id`) REFERENCES `Seed`(`seed_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 求种任务表
+CREATE TABLE `BegSeed` (
+  `beg_id` VARCHAR(64) NOT NULL,
+  `beg_count` INT NOT NULL DEFAULT 0,
+  `reward_magic` INT NOT NULL DEFAULT 0,
+  `deadline` DATETIME NOT NULL,
+  `has_match` TINYINT(1) NOT NULL DEFAULT 0,
+  PRIMARY KEY (`beg_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 提交悬赏任务表
+CREATE TABLE `SubmitSeed` (
+  `beg_id` VARCHAR(64) NOT NULL,
+  `seed_id` VARCHAR(64) NOT NULL,
+  `votes` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`beg_id`,`seed_id`),
+  CONSTRAINT `fk_ss_beg` FOREIGN KEY (`beg_id`) REFERENCES `BegSeed`(`beg_id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_ss_seed` FOREIGN KEY (`seed_id`) REFERENCES `Seed`(`seed_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 帖子表
+CREATE TABLE `Post` (
+  `post_id` VARCHAR(64) NOT NULL,
+  `title` VARCHAR(255) NOT NULL,
+  `content` TEXT NOT NULL,
+  `author_id` VARCHAR(36) NOT NULL,
+  `created_at` DATETIME NOT NULL,
+  `reply_count` INT NOT NULL DEFAULT 0,
+  `view_count` INT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`post_id`),
+  CONSTRAINT `fk_post_user` FOREIGN KEY (`author_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 帖子回复表
+CREATE TABLE `PostReply` (
+  `reply_id` VARCHAR(64) NOT NULL,
+  `post_id` VARCHAR(64) NOT NULL,
+  `content` TEXT NOT NULL,
+  `author_id` VARCHAR(36) NOT NULL,
+  `created_at` DATETIME NOT NULL,
+  PRIMARY KEY (`reply_id`),
+  CONSTRAINT `fk_pr_post` FOREIGN KEY (`post_id`) REFERENCES `Post`(`post_id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_pr_user` FOREIGN KEY (`author_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 公告表
+CREATE TABLE `Announcement` (
+  `announce_id` VARCHAR(64) NOT NULL,
+  `content` TEXT NOT NULL,
+  `is_public` TINYINT(1) NOT NULL DEFAULT 0,
+  `tag` VARCHAR(100) DEFAULT NULL,
+  PRIMARY KEY (`announce_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 用户收藏夹表
+CREATE TABLE `UserFavorite` (
+  `user_id` VARCHAR(36) NOT NULL,
+  `seed_id` VARCHAR(64) NOT NULL,
+  PRIMARY KEY (`user_id`,`seed_id`),
+  CONSTRAINT `fk_uf_user` FOREIGN KEY (`user_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE,
+  CONSTRAINT `fk_uf_seed` FOREIGN KEY (`seed_id`) REFERENCES `Seed`(`seed_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+
+-- 用户迁移表
+CREATE TABLE `UserMigration` (
+  `migration_id` VARCHAR(64) NOT NULL,
+  `user_id` VARCHAR(36) NOT NULL,
+  `application_url` VARCHAR(255) NOT NULL,
+  `approved` TINYINT(1) NOT NULL DEFAULT 0,
+  `pending_magic` INT NOT NULL DEFAULT 0,
+  `granted_magic` INT NOT NULL DEFAULT 0,
+  `pending_uploaded` BIGINT NOT NULL DEFAULT 0,
+  `granted_uploaded` BIGINT NOT NULL DEFAULT 0,
+  PRIMARY KEY (`migration_id`),
+  CONSTRAINT `fk_um_user` FOREIGN KEY (`user_id`) REFERENCES `User`(`user_id`) ON DELETE CASCADE
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;
+