diff --git a/pywxdump/wx_core/merge_db.py b/pywxdump/wx_core/merge_db.py
index c9f4f6d..7efaebb 100644
--- a/pywxdump/wx_core/merge_db.py
+++ b/pywxdump/wx_core/merge_db.py
@@ -93,7 +93,7 @@ def check_create_file_md5(connection):
 
 
 @wx_core_error
-def merge_db(db_paths: list[dict], save_path: str = "merge.db", is_merge_data: bool = True,
+def merge_db(db_paths: List[dict], save_path: str = "merge.db", is_merge_data: bool = True,
              startCreateTime: int = 0, endCreateTime: int = 0):
     """
     合并数据库 会忽略主键以及重复的行。