diff --git a/core/database.go b/core/database.go
index f9134cf..cd2f4bd 100644
--- a/core/database.go
+++ b/core/database.go
@@ -44,8 +44,11 @@ func NewDatabase() (*Database, error) {
 func (d *Database) createTables() error {
 	queries := []string{
 		`CREATE TABLE IF NOT EXISTS keywords
-			 (id INTEGER PRIMARY KEY, keyword TEXT UNIQUE)`,
+             (id INTEGER PRIMARY KEY, keyword TEXT UNIQUE, is_link BOOLEAN, is_auto_added BOOLEAN, added_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP)`,
 		`CREATE INDEX IF NOT EXISTS idx_keyword ON keywords(keyword)`,
+		`CREATE INDEX IF NOT EXISTS idx_added_at ON keywords(added_at)`,
+		`CREATE INDEX IF NOT EXISTS idx_is_link ON keywords(is_link)`,
+		`CREATE INDEX IF NOT EXISTS idx_is_auto_added ON keywords(is_auto_added)`,
 		`CREATE TABLE IF NOT EXISTS whitelist
 			 (id INTEGER PRIMARY KEY, domain TEXT UNIQUE)`,
 		`CREATE INDEX IF NOT EXISTS idx_domain ON whitelist(domain)`,
@@ -82,8 +85,9 @@ func (d *Database) executeQuery(query string, args ...interface{}) ([]string, er
 	return results, nil
 }
 
-func (d *Database) AddKeyword(keyword string) error {
-	_, err := d.db.Exec("INSERT OR IGNORE INTO keywords (keyword) VALUES (?)", keyword)
+func (d *Database) AddKeyword(keyword string, isLink bool, isAutoAdded bool) error {
+	_, err := d.db.Exec("INSERT OR IGNORE INTO keywords (keyword, is_link, is_auto_added, added_at) VALUES (?, ?, ?, ?)",
+		keyword, isLink, isAutoAdded, time.Now())
 	if err != nil {
 		return err
 	}
@@ -104,6 +108,16 @@ func (d *Database) RemoveKeyword(keyword string) (bool, error) {
 	return rowsAffected > 0, nil
 }
 
+func (d *Database) CleanupExpiredLinks() error {
+	twoMonthsAgo := time.Now().AddDate(0, -2, 0)
+	_, err := d.db.Exec("DELETE FROM keywords WHERE is_link = TRUE AND is_auto_added = TRUE AND added_at < ?", twoMonthsAgo)
+	if err != nil {
+		return err
+	}
+	d.invalidateCache("keywords")
+	return nil
+}
+
 func (d *Database) GetAllKeywords() ([]string, error) {
 	d.mu.Lock()
 	defer d.mu.Unlock()
@@ -119,6 +133,13 @@ func (d *Database) GetAllKeywords() ([]string, error) {
 
 	return d.keywordsCache, nil
 }
+func (d *Database) GetAllManualKeywords() ([]string, error) {
+	return d.executeQuery("SELECT keyword FROM keywords WHERE is_auto_added = ?", false)
+}
+
+func (d *Database) GetAllAutoAddedLinks() ([]string, error) {
+	return d.executeQuery("SELECT keyword FROM keywords WHERE is_link = ? AND is_auto_added = ?", true, true)
+}
 
 func (d *Database) RemoveKeywordsContaining(substring string) ([]string, error) {
 	// 首先获取要删除的关键词列表
@@ -308,3 +329,116 @@ func (d *Database) invalidateCache(cacheType string) {
 func (d *Database) Close() error {
 	return d.db.Close()
 }
+
+// 迁移现有关键词
+//
+//
+//
+//
+//
+//
+//
+//
+//
+//
+//
+//
+//
+//
+
+func (d *Database) MigrateExistingKeywords() error {
+	// 检查是否已经执行过迁移
+	var migrationDone bool
+	err := d.db.QueryRow("SELECT value FROM config WHERE key = 'keywords_migrated'").Scan(&migrationDone)
+	if err != nil && err != sql.ErrNoRows {
+		return err
+	}
+
+	if migrationDone {
+		return nil // 迁移已经完成，无需再次执行
+	}
+
+	// 开始事务
+	tx, err := d.db.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+
+	// 获取所有现有的关键词
+	rows, err := tx.Query("SELECT keyword FROM keywords")
+	if err != nil {
+		return err
+	}
+	defer rows.Close()
+
+	// 准备插入语句
+	stmt, err := tx.Prepare("INSERT INTO keywords (keyword, is_link, is_auto_added) VALUES (?, ?, ?)")
+	if err != nil {
+		return err
+	}
+	defer stmt.Close()
+
+	// 迁移现有关键词
+	for rows.Next() {
+		var keyword string
+		if err := rows.Scan(&keyword); err != nil {
+			return err
+		}
+
+		// 这里我们假设所有现有的关键词都是手动添加的非链接关键词
+		_, err = stmt.Exec(keyword, false, false)
+		if err != nil {
+			return err
+		}
+	}
+
+	// 删除旧的关键词表
+	_, err = tx.Exec("DROP TABLE IF EXISTS old_keywords")
+	if err != nil {
+		return err
+	}
+
+	// 重命名现有的关键词表
+	_, err = tx.Exec("ALTER TABLE keywords RENAME TO old_keywords")
+	if err != nil {
+		return err
+	}
+
+	// 创建新的关键词表
+	_, err = tx.Exec(`CREATE TABLE keywords (
+			id INTEGER PRIMARY KEY,
+			keyword TEXT UNIQUE,
+			is_link BOOLEAN,
+			is_auto_added BOOLEAN,
+			added_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+	)`)
+	if err != nil {
+		return err
+	}
+
+	// 将数据从旧表复制到新表
+	_, err = tx.Exec("INSERT INTO keywords SELECT id, keyword, is_link, is_auto_added, added_at FROM old_keywords")
+	if err != nil {
+		return err
+	}
+
+	// 删除旧表
+	_, err = tx.Exec("DROP TABLE old_keywords")
+	if err != nil {
+		return err
+	}
+
+	// 更新配置，标记迁移已完成
+	_, err = tx.Exec("INSERT OR REPLACE INTO config (key, value) VALUES ('keywords_migrated', 'true')")
+	if err != nil {
+		return err
+	}
+
+	// 提交事务
+	if err := tx.Commit(); err != nil {
+		return err
+	}
+
+	return nil
+}
diff --git a/core/init.go b/core/init.go
index 6a37fc1..a4daa6d 100644
--- a/core/init.go
+++ b/core/init.go
@@ -45,6 +45,12 @@ func Init() error {
 		return fmt.Errorf("初始化数据库失败: %v", err)
 	}
 
+	// 执行数据迁移
+	err = DB.MigrateExistingKeywords()
+	if err != nil {
+		return fmt.Errorf("迁移现有关键词失败: %v", err)
+	}
+
 	// 从环境变量中读取调试模式设置
 	DEBUG_MODE = os.Getenv("DEBUG_MODE") == "true"
 
diff --git a/main.go b/main.go
index ca44895..474a2a2 100644
--- a/main.go
+++ b/main.go
@@ -23,4 +23,7 @@ func main() {
 	if err != nil {
 		log.Fatalf("Error in RunMessageHandler: %v", err)
 	}
+
+	// 启动定期任务
+	service.StartScheduledTasks()
 }
diff --git a/service/link_filter/link_filter.go b/service/link_filter/link_filter.go
index cd64b53..456b810 100644
--- a/service/link_filter/link_filter.go
+++ b/service/link_filter/link_filter.go
@@ -124,7 +124,7 @@ func addNewKeyword(keyword string) error {
 		return fmt.Errorf("检查关键词时发生错误: %v", err)
 	}
 	if !exists {
-		err = core.DB.AddKeyword(keyword)
+		err = core.DB.AddKeyword(keyword, true, true) // isLink = true, isAutoAdded = true
 		if err != nil {
 			return fmt.Errorf("添加关键词时发生错误: %v", err)
 		}
@@ -132,6 +132,7 @@ func addNewKeyword(keyword string) error {
 	}
 	return nil
 }
+
 func containsKeyword(text string, linkFilter *LinkFilter) bool {
 	linkFilter.Mu.RLock()
 	defer linkFilter.Mu.RUnlock()
diff --git a/service/message_handler_utils.go b/service/message_handler_utils.go
index 2245b7c..605f238 100644
--- a/service/message_handler_utils.go
+++ b/service/message_handler_utils.go
@@ -27,23 +27,41 @@ func HandleKeywordCommand(bot *tgbotapi.BotAPI, message *tgbotapi.Message, comma
 }
 
 func handleListKeywords(bot *tgbotapi.BotAPI, message *tgbotapi.Message) {
-	keywords, err := core.DB.GetAllKeywords()
+	manualKeywords, err := core.DB.GetAllManualKeywords()
 	if err != nil {
-		core.SendErrorMessage(bot, message.Chat.ID, "获取关键词列表时发生错误。")
-		logger.Printf("Failed to get keywords: %v", err)
+		core.SendErrorMessage(bot, message.Chat.ID, "获取手动添加的关键词列表时发生错误。")
+		logger.Printf("Failed to get manual keywords: %v", err)
 		return
 	}
 
-	if len(keywords) == 0 {
-		core.SendMessage(bot, message.Chat.ID, "关键词列表为空。")
-	} else {
-		// 对关键词进行排序
-		sort.Strings(keywords)
+	autoAddedLinks, err := core.DB.GetAllAutoAddedLinks()
+	if err != nil {
+		core.SendErrorMessage(bot, message.Chat.ID, "获取自动添加的链接列表时发生错误。")
+		logger.Printf("Failed to get auto-added links: %v", err)
+		return
+	}
 
-		// 直接发送排序后的关键词列表
-		err := core.SendLongMessage(bot, message.Chat.ID, "当前关键词列表（按字母顺序排序）：", keywords)
-		if err != nil {
-			core.SendErrorMessage(bot, message.Chat.ID, "发送关键词列表时发生错误。")
+	if len(manualKeywords) == 0 && len(autoAddedLinks) == 0 {
+		core.SendMessage(bot, message.Chat.ID, "关键词和链接列表为空。")
+	} else {
+		// 对关键词和链接进行排序
+		sort.Strings(manualKeywords)
+		sort.Strings(autoAddedLinks)
+
+		// 发送手动添加的关键词列表
+		if len(manualKeywords) > 0 {
+			err := core.SendLongMessage(bot, message.Chat.ID, "手动添加的关键词列表（按字母顺序排序）：", manualKeywords)
+			if err != nil {
+				core.SendErrorMessage(bot, message.Chat.ID, "发送手动添加的关键词列表时发生错误。")
+			}
+		}
+
+		// 发送自动添加的链接列表
+		if len(autoAddedLinks) > 0 {
+			err := core.SendLongMessage(bot, message.Chat.ID, "自动添加的链接列表（按字母顺序排序）：", autoAddedLinks)
+			if err != nil {
+				core.SendErrorMessage(bot, message.Chat.ID, "发送自动添加的链接列表时发生错误。")
+			}
 		}
 	}
 }
@@ -61,7 +79,7 @@ func handleAddKeyword(bot *tgbotapi.BotAPI, message *tgbotapi.Message, keyword s
 		return
 	}
 	if !exists {
-		err = core.DB.AddKeyword(keyword)
+		err = core.DB.AddKeyword(keyword, false, false) // isLink = false, isAutoAdded = false
 		if err != nil {
 			core.SendErrorMessage(bot, message.Chat.ID, "添加关键词时发生错误。")
 			logger.Printf("Failed to add keyword: %v", err)
diff --git a/service/scheduled_tasks.go b/service/scheduled_tasks.go
new file mode 100644
index 0000000..8e9f113
--- /dev/null
+++ b/service/scheduled_tasks.go
@@ -0,0 +1,29 @@
+package service
+
+import (
+	"log"
+	"time"
+
+	"github.com/woodchen-ink/Q58Bot/core"
+)
+
+func StartScheduledTasks() {
+	go periodicCleanup()
+}
+
+func periodicCleanup() {
+	ticker := time.NewTicker(24 * time.Hour) // 每天执行一次清理
+	defer ticker.Stop()
+
+	for {
+		select {
+		case <-ticker.C:
+			err := core.DB.CleanupExpiredLinks()
+			if err != nil {
+				log.Printf("清理过期链接时发生错误: %v", err)
+			} else {
+				log.Println("已成功清理过期链接")
+			}
+		}
+	}
+}