diff --git a/docs/api/api_python/mindspore.dataset.config.rst b/docs/api/api_python/mindspore.dataset.config.rst
index 593bd1c7b21..11cf80a2db0 100644
--- a/docs/api/api_python/mindspore.dataset.config.rst
+++ b/docs/api/api_python/mindspore.dataset.config.rst
@@ -223,7 +223,7 @@ API示例所需模块的导入代码如下：
 
     bool，表示是否启用共享内存。
 
-.. py:function:: mindspore.dataset.config.set_enable_autotune(enable, json_filepath=None)
+.. py:function:: mindspore.dataset.config.set_enable_autotune(enable, filepath_prefix=None)
 
     设置是否开启自动数据加速。默认情况下不开启自动数据加速。
 
@@ -234,7 +234,9 @@ API示例所需模块的导入代码如下：
     **参数：**
 
     - **enable** (bool) - 是否开启自动数据加速。
-    - **json_filepath** (str，可选) - 优化后的全局配置的保存路径，当路径存在同名文件时会自动覆盖。默认值：None，表示不保存配置文件，但可以通过INFO日志查看调优配置。
+    - **filepath_prefix** (str，可选) - 优化后的全局配置的保存路径+文件前缀。多卡环境时，设备ID号与JSON扩展名会自动添加到 `filepath_prefix`
+      参数后面作为完整的文件路径，单卡默认设备ID号为0。例如，设置 `filepath_prefix="/path/to/some/dir/prefixname"` ，设备ID为1的训练进程
+      生成的调优文件将被命名为 `/path/to/some/dir/prefixname_1.json` 。默认值：None，表示不保存配置文件，但可以通过INFO日志查看调优配置。
 
     **异常：**
 
diff --git a/mindspore/python/mindspore/dataset/core/config.py b/mindspore/python/mindspore/dataset/core/config.py
index 37502ff6342..fc648ace7a1 100644
--- a/mindspore/python/mindspore/dataset/core/config.py
+++ b/mindspore/python/mindspore/dataset/core/config.py
@@ -437,7 +437,7 @@ def load(file):
     _config.load(file)
 
 
-def set_enable_autotune(enable, json_filepath_prefix=None):
+def set_enable_autotune(enable, filepath_prefix=None):
     """
     Set whether to enable AutoTune. AutoTune is disabled by default.
 
@@ -450,9 +450,10 @@ def set_enable_autotune(enable, json_filepath_prefix=None):
 
     Args:
         enable (bool): Whether to enable AutoTune.
-        json_filepath_prefix (str, optional): The prefix filepath to save the optimized global configuration.
-            The rank id and the json extension will be appended to the json_filepath_prefix string.
-            For example, if json_filepath_prefix="/path/to/some/dir/prefixname" and rank_id is 1, then the path
+        filepath_prefix (str, optional): The prefix filepath to save the optimized global configuration.
+            The rank id and the json extension will be appended to the filepath_prefix string in multi-device training,
+            rank id will be set to 0 in standalone training.
+            For example, if filepath_prefix="/path/to/some/dir/prefixname" and rank_id is 1, then the path
             of the generated file will be "/path/to/some/dir/prefixname_1.json"
             If the file already exists, it will be automatically overwritten. Default: None,
             means not to save the configuration file, but the tuned result still can be checked through INFO log.
@@ -498,21 +499,21 @@ def set_enable_autotune(enable, json_filepath_prefix=None):
     if not isinstance(enable, bool):
         raise TypeError("enable must be of type bool.")
 
-    save_autoconfig = bool(enable and json_filepath_prefix is not None)
+    save_autoconfig = bool(enable and filepath_prefix is not None)
 
-    if json_filepath_prefix and not isinstance(json_filepath_prefix, str):
-        raise TypeError("json_filepath must be a str value but was: {}.".format(json_filepath_prefix))
+    if filepath_prefix and not isinstance(filepath_prefix, str):
+        raise TypeError("json_filepath must be a str value but was: {}.".format(filepath_prefix))
 
-    if enable and json_filepath_prefix == "":
+    if enable and filepath_prefix == "":
         raise RuntimeError("The value of json_filepath cannot be the empty string.")
 
-    if not enable and json_filepath_prefix is not None:
+    if not enable and filepath_prefix is not None:
         logger.warning("The value of json_filepath is ignored when enable is False.")
 
-    if enable and json_filepath_prefix is None:
+    if enable and filepath_prefix is None:
         logger.warning("Dataset AutoTune is enabled but no json path is specified, check INFO log for tuned result.")
 
-    json_filepath = replace_none(json_filepath_prefix, "")
+    json_filepath = replace_none(filepath_prefix, "")
 
     rank_id = _get_rank_id()