diff --git a/pywxdump/wx_info/merge_db.py b/pywxdump/wx_info/merge_db.py
index e0b2be6..2f17564 100644
--- a/pywxdump/wx_info/merge_db.py
+++ b/pywxdump/wx_info/merge_db.py
@@ -299,7 +299,7 @@ def merge_db(db_paths, save_path="merge.db", CreateTime: int = 0, endCreateTime:
     return save_path
 
 
-def decrypt_merge(wx_path, key, outpath="", CreateTime: int = 0, endCreateTime: int = 0, db_type: list[str] = []) -> (bool, str):
+def decrypt_merge(wx_path, key, outpath="", CreateTime: int = 0, endCreateTime: int = 0, db_type: List[str] = []) -> (bool, str):
     """
     解密合并数据库 msg.db, microMsg.db, media.db,注意：会删除原数据库
     :param wx_path: 微信路径 eg: C:\*******\WeChat Files\wxid_*********