diff --git a/csst_dfs_client/level1.py b/csst_dfs_client/level1.py
index 50d261d6181fb99084467108e4ae748227dbb825..866ea924499075540b4d592bdbae1410f73ed2c0 100644
--- a/csst_dfs_client/level1.py
+++ b/csst_dfs_client/level1.py
@@ -34,7 +34,7 @@ def find(project_id: Optional[str] = None,
         obs_id (Optional[str], optional): 观测ID. Defaults to None.
         module_id (Optional[str], optional): 模块ID，如'MSC', 'IFS'. Defaults to None.
         detector_no (Optional[str], optional): 探测器编号. Defaults to None.
-        data_type (Optional[str], optional): 文件类型，如'csst-msc-l1-mbi'. Defaults to None.
+        data_type (Optional[str], optional): 数据类型，如'csst-msc-l1-mbi'. Defaults to None.
         filter (Optional[str], optional): 滤光片. Defaults to None.
         obs_time (Optional[DateTimeTuple], optional): 观测时间范围. Defaults to None.
         create_time (Optional[DateTimeTuple], optional): 创建时间范围. Defaults to None.
@@ -173,7 +173,7 @@ def write(local_file: Union[IO, str],
         module_id ['MSC', 'IFS', 'MCI', 'HSTDM', 'CPIC']其中一个，代表: 模块ID
         level0_id (Optional[str]): 0级数据的ID默认为 None
         level1_id (str): 1级数据的ID
-        data_type (str): 文件类型
+        data_type (str): 数据类型
         file_name (str): 1级数据文件名
         dag_id (str): 管线ID
         pmapname (str): CCDS pmap名称