diff --git a/src/main/resources/schema.sql b/src/main/resources/schema.sql
index d97701c..e5ddbb4 100644
--- a/src/main/resources/schema.sql
+++ b/src/main/resources/schema.sql
@@ -1,111 +1,122 @@
-CREATE DATABASE IF NOT EXISTS g8backend;
-USE g8backend;
-
+-- 用户表（保持不变）
 CREATE TABLE IF NOT EXISTS `users` (
-  user_id INT AUTO_INCREMENT PRIMARY KEY,
-  user_name VARCHAR(255) NOT NULL,
-  password VARCHAR(255) NOT NULL,
-  email VARCHAR(255) NOT NULL UNIQUE,
-  passkey VARCHAR(255) NOT NULL UNIQUE
+  `user_id` INT AUTO_INCREMENT PRIMARY KEY,
+  `user_name` VARCHAR(255) NOT NULL,
+  `password` VARCHAR(255) NOT NULL,
+  `email` VARCHAR(255) NOT NULL UNIQUE,
+  `passkey` VARCHAR(255) NOT NULL UNIQUE
 );
 
+-- 种子表（保持不变）
 CREATE TABLE IF NOT EXISTS `torrents` (
-    torrent_id INT AUTO_INCREMENT PRIMARY KEY,
-    user_id INT NOT NULL,
-    torrent_name VARCHAR(255) NOT NULL,
-    info_hash BINARY(20) NOT NULL,
-    file_size FLOAT NOT NULL,
-    FOREIGN KEY (user_id) REFERENCES users(user_id)
+  `torrent_id` INT AUTO_INCREMENT PRIMARY KEY,
+  `user_id` INT NOT NULL,
+  `torrent_name` VARCHAR(255) NOT NULL,
+  `info_hash` BINARY(20) NOT NULL,
+  `file_size` FLOAT NOT NULL,
+  FOREIGN KEY (`user_id`) REFERENCES `users`(`user_id`)
 );
 
+-- Peer表（保持不变）
 CREATE TABLE IF NOT EXISTS `peers` (
-  passkey VARCHAR(255) NOT NULL,
-  info_hash BINARY(20) NOT NULL,
-  peer_id VARCHAR(20) NOT NULL,
-  ip_address VARCHAR(128) NOT NULL,
-  port INT NOT NULL,
-  uploaded FLOAT NOT NULL,
-  downloaded FLOAT NOT NULL,
-  last_seen TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
-  FOREIGN KEY (passkey) REFERENCES users(passkey),
-  PRIMARY KEY (passkey, info_hash, peer_id)
+  `passkey` VARCHAR(255) NOT NULL,
+  `info_hash` BINARY(20) NOT NULL,
+  `peer_id` VARCHAR(20) NOT NULL,
+  `ip_address` VARCHAR(128) NOT NULL,
+  `port` INT NOT NULL,
+  `uploaded` FLOAT NOT NULL,
+  `downloaded` FLOAT NOT NULL,
+  `last_seen` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
+  FOREIGN KEY (`passkey`) REFERENCES `users`(`passkey`),
+  PRIMARY KEY (`passkey`, `info_hash`, `peer_id`)
 );
 
+-- 帖子表（新增 hot_score 和 last_calculated 字段）
 CREATE TABLE IF NOT EXISTS `posts` (
-    post_id INT AUTO_INCREMENT PRIMARY KEY,
-    user_id INT NOT NULL,
-    hot_score DOUBLE DEFAULT 0.0,
-    view_count INT DEFAULT 0,
-    post_title VARCHAR(255) NOT NULL,
-    post_content TEXT NOT NULL,
-    post_type ENUM('resource', 'discussion') NOT NULL,
-    created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
-    FOREIGN KEY (user_id) REFERENCES users(user_id)
+  `post_id` INT AUTO_INCREMENT PRIMARY KEY,
+  `user_id` INT NOT NULL,
+  `hot_score` DOUBLE DEFAULT 5.0 COMMENT '热度评分',
+  `view_count` INT DEFAULT 0 COMMENT '浏览数',
+  `post_title` VARCHAR(255) NOT NULL,
+  `post_content` TEXT NOT NULL,
+  `post_type` ENUM('resource', 'discussion') NOT NULL,
+  `created_at` DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+  `last_calculated` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '最后热度计算时间',
+  FOREIGN KEY (`user_id`) REFERENCES `users`(`user_id`),
+  INDEX `idx_hot_score` (`hot_score`),          -- 新增热度索引
+  INDEX `idx_post_type` (`post_type`)           -- 新增类型索引
 );
 
+-- 标签表（保持不变）
 CREATE TABLE IF NOT EXISTS `tags`(
-  tag_id INT AUTO_INCREMENT PRIMARY KEY,
-  tag_name VARCHAR(255) NOT NULL UNIQUE,
-  parent_id INT DEFAULT NULL,
-  FOREIGN KEY (parent_id) REFERENCES tags(tag_id)
+  `tag_id` INT AUTO_INCREMENT PRIMARY KEY,
+  `tag_name` VARCHAR(255) NOT NULL UNIQUE,
+  `parent_id` INT DEFAULT NULL,
+  FOREIGN KEY (`parent_id`) REFERENCES `tags`(`tag_id`)
 );
 
+-- 帖子标签关联表（保持不变）
 CREATE TABLE IF NOT EXISTS `post_tag` (
-    post_id INT NOT NULL,
-    tag_id INT NOT NULL,
-    FOREIGN KEY (post_id) REFERENCES posts(post_id),
-    FOREIGN KEY (tag_id) REFERENCES tags(tag_id),
-    PRIMARY KEY (post_id, tag_id)
+  `post_id` INT NOT NULL,
+  `tag_id` INT NOT NULL,
+  FOREIGN KEY (`post_id`) REFERENCES `posts`(`post_id`),
+  FOREIGN KEY (`tag_id`) REFERENCES `tags`(`tag_id`),
+  PRIMARY KEY (`post_id`, `tag_id`)
 );
 
--- 关注关系表
+-- 用户关注表（保持不变）
 CREATE TABLE IF NOT EXISTS `user_follows` (
-    follower_id INT NOT NULL,
-    followed_id INT NOT NULL,
-    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    FOREIGN KEY (follower_id) REFERENCES users(user_id),
-    FOREIGN KEY (followed_id) REFERENCES users(user_id),
-    PRIMARY KEY (follower_id, followed_id)
+  `follower_id` INT NOT NULL,
+  `followed_id` INT NOT NULL,
+  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  FOREIGN KEY (`follower_id`) REFERENCES `users`(`user_id`),
+  FOREIGN KEY (`followed_id`) REFERENCES `users`(`user_id`),
+  PRIMARY KEY (`follower_id`, `followed_id`)
 );
 
--- 私信表
+-- 私信表（保持不变）
 CREATE TABLE IF NOT EXISTS `private_messages` (
-    message_id INT AUTO_INCREMENT PRIMARY KEY,
-    sender_id INT NOT NULL,
-    receiver_id INT NOT NULL,
-    content TEXT NOT NULL,
-    sent_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    is_read BOOLEAN DEFAULT false,
-    FOREIGN KEY (sender_id) REFERENCES users(user_id),
-    FOREIGN KEY (receiver_id) REFERENCES users(user_id)
+  `message_id` INT AUTO_INCREMENT PRIMARY KEY,
+  `sender_id` INT NOT NULL,
+  `receiver_id` INT NOT NULL,
+  `content` TEXT NOT NULL,
+  `sent_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  `is_read` BOOLEAN DEFAULT false,
+  FOREIGN KEY (`sender_id`) REFERENCES `users`(`user_id`),
+  FOREIGN KEY (`receiver_id`) REFERENCES `users`(`user_id`)
 );
 
+-- 评论表（保持不变）
 CREATE TABLE IF NOT EXISTS `comments` (
-    comment_id INT AUTO_INCREMENT PRIMARY KEY,      -- 评论ID
-    post_id INT NOT NULL,                            -- 所属帖子ID
-    user_id INT NOT NULL,                            -- 评论用户ID
-    parent_comment_id INT DEFAULT NULL,             -- 父评论ID, 如果是顶级评论则为NULL
-    content TEXT NOT NULL,                          -- 评论内容
-    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP, -- 评论时间
-    FOREIGN KEY (post_id) REFERENCES posts(post_id), -- 关联帖子
-    FOREIGN KEY (user_id) REFERENCES users(user_id), -- 关联用户
-    FOREIGN KEY (parent_comment_id) REFERENCES comments(comment_id) -- 关联父评论
+  `comment_id` INT AUTO_INCREMENT PRIMARY KEY,
+  `post_id` INT NOT NULL,
+  `user_id` INT NOT NULL,
+  `parent_comment_id` INT DEFAULT NULL,
+  `content` TEXT NOT NULL,
+  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  FOREIGN KEY (`post_id`) REFERENCES `posts`(`post_id`),
+  FOREIGN KEY (`user_id`) REFERENCES `users`(`user_id`),
+  FOREIGN KEY (`parent_comment_id`) REFERENCES `comments`(`comment_id`),
+  INDEX `idx_post_id` (`post_id`)  -- 新增评论帖子索引
 );
 
-CREATE TABLE IF NOT EXISTS post_likes (
-    user_id INT NOT NULL,
-    post_id INT NOT NULL,
-    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    PRIMARY KEY (user_id, post_id),
-    CONSTRAINT fk_post FOREIGN KEY (post_id) REFERENCES posts(post_id),
-    CONSTRAINT fk_user FOREIGN KEY (user_id) REFERENCES users(user_id)
+-- 帖子点赞表（保持不变）
+CREATE TABLE IF NOT EXISTS `post_likes` (
+  `user_id` INT NOT NULL,
+  `post_id` INT NOT NULL,
+  `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  PRIMARY KEY (`user_id`, `post_id`),
+  FOREIGN KEY (`post_id`) REFERENCES `posts`(`post_id`),
+  FOREIGN KEY (`user_id`) REFERENCES `users`(`user_id`)
 );
 
-CREATE TABLE IF NOT EXISTS post_views (
-    view_id INT AUTO_INCREMENT PRIMARY KEY,
-    user_id INT NOT NULL,
-    post_id INT NOT NULL,
-    view_time TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
-    FOREIGN KEY (user_id) REFERENCES users(user_id),
-    FOREIGN KEY (post_id) REFERENCES posts(post_id)
-);
+-- 帖子浏览记录表（新增复合索引）
+CREATE TABLE IF NOT EXISTS `post_views` (
+  `view_id` INT AUTO_INCREMENT PRIMARY KEY,
+  `user_id` INT NOT NULL,
+  `post_id` INT NOT NULL,
+  `view_time` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+  FOREIGN KEY (`user_id`) REFERENCES `users`(`user_id`),
+  FOREIGN KEY (`post_id`) REFERENCES `posts`(`post_id`),
+  INDEX `idx_user_view_time` (`user_id`, `view_time` DESC)  -- 新增用户浏览时间索引
+);
\ No newline at end of file