diff --git a/instance/database.db b/instance/database.db
index 9f7a9f3..ccb214d 100644
Binary files a/instance/database.db and b/instance/database.db differ
diff --git a/migrate_message.py b/migrate_message.py
new file mode 100644
index 0000000..1efd5c9
--- /dev/null
+++ b/migrate_message.py
@@ -0,0 +1,35 @@
+"""
+数据库迁移脚本：为 message 表添加 mentions 字段
+"""
+import sqlite3
+import os
+
+db_path = 'instance/database.db'
+
+if not os.path.exists(db_path):
+    print(f"错误：找不到数据库文件 {db_path}")
+    exit(1)
+
+conn = sqlite3.connect(db_path)
+cursor = conn.cursor()
+
+print("开始数据库迁移...\n")
+
+# 检查 message 表
+print("检查 message 表...")
+cursor.execute("PRAGMA table_info(message)")
+columns = [row[1] for row in cursor.fetchall()]
+print(f"现有列: {columns}")
+
+if 'mentions' not in columns:
+    print("添加 mentions 字段...")
+    cursor.execute("ALTER TABLE message ADD COLUMN mentions TEXT")
+    print("[OK] 已添加 mentions 字段")
+else:
+    print("[OK] mentions 字段已存在")
+
+conn.commit()
+conn.close()
+
+print("\n[SUCCESS] 数据库迁移完成！")
+print("现在可以正常使用聊天功能了。")