diff --git a/tutorials/lite/source_en/index.rst b/tutorials/lite/source_en/index.rst
index a7c892c091128b257cb80841d59760548de32e05..0af8d60f074fd09739900dcc4ec6a904a5999399 100644
--- a/tutorials/lite/source_en/index.rst
+++ b/tutorials/lite/source_en/index.rst
@@ -17,12 +17,26 @@ Using MindSpore on Mobile and IoT
 .. toctree::
    :glob:
    :maxdepth: 1
-   :caption: Basic Use
-
-   use/preparation
-   use/convert_model
-   use/post_training_quantization
-   use/data_preprocessing
-   use/runtime
-   use/runtime_train
-   use/tools
+   :caption: Obtain MindSpore Lite
+
+   obtain/downloads
+   obtain/build
+
+.. toctree::
+   :glob:
+   :maxdepth: 1
+   :caption: Inference on Devices
+
+   inference/converter_tool
+   inference/post_training_quantization
+   inference/data_preprocessing
+   inference/runtime
+   inference/tools
+
+.. toctree::
+   :glob:
+   :maxdepth: 1
+   :caption: Training on Devices
+
+   training/converter_train
+   training/runtime_train
diff --git a/tutorials/lite/source_en/use/downloads.md b/tutorials/lite/source_en/use/downloads.md
index ca931bc1459e48d2212f62a7eab32c4c87629fd0..fc82a0fba1ffb9826d67488b5721faf6114fdc40 100644
--- a/tutorials/lite/source_en/use/downloads.md
+++ b/tutorials/lite/source_en/use/downloads.md
@@ -9,6 +9,8 @@
 
 <a href="https://gitee.com/mindspore/docs/blob/master/tutorials/lite/source_en/use/downloads.md" target="_blank"><img src="../_static/logo_source.png"></a>
 
+Welcome to MindSpore Lite. We provide functions such as model conversion, model inference, image processing, etc. that support multiple operating systems and hardware platforms. You can download the version package suitable for the local environment and use it directly.
+
 ## 1.0.1
 
 |   Module Name   |   Hardware Platform   |   Operating System   |      Download Links      |       SHA-256     |
diff --git a/tutorials/lite/source_zh_cn/index.rst b/tutorials/lite/source_zh_cn/index.rst
index ce5f52586fdc1bcab30e2b5c0f21129f3cb1bace..d9d6c0eed34bf845f5323efc8e1920c2476cbd39 100644
--- a/tutorials/lite/source_zh_cn/index.rst
+++ b/tutorials/lite/source_zh_cn/index.rst
@@ -17,15 +17,23 @@
 .. toctree::
    :glob:
    :maxdepth: 1
-   :caption: 基础使用
+   :caption: 获取MindSpore Lite
    :hidden:
 
-   use/preparation
-   use/convert_model
-   use/post_training_quantization
-   use/data_preprocessing
-   use/runtime
-   use/tools
+   obtain/downloads
+   obtain/build
+
+.. toctree::
+   :glob:
+   :maxdepth: 1
+   :caption: 端侧推理
+   :hidden:
+
+   inference/converter_tool
+   inference/post_training_quantization
+   inference/data_preprocessing
+   inference/runtime
+   inference/tools
 
 .. raw:: html
 
diff --git a/tutorials/lite/source_zh_cn/use/downloads.md b/tutorials/lite/source_zh_cn/use/downloads.md
index 565710b7bcfe148d93a603ff14c85bf681f099b0..eb24fac67022d4ae75e908443b6dc2de692a8bd1 100644
--- a/tutorials/lite/source_zh_cn/use/downloads.md
+++ b/tutorials/lite/source_zh_cn/use/downloads.md
@@ -11,6 +11,8 @@
 
 <a href="https://gitee.com/mindspore/docs/blob/master/tutorials/lite/source_zh_cn/use/downloads.md" target="_blank"><img src="../_static/logo_source.png"></a>
 
+欢迎使用MindSpore Lite，我们提供了支持多种操作系统和硬件平台的模型转换、模型推理、图像处理等功能，你可以下载适用于本地环境的版本包直接使用。
+
 ## 1.0.1
 
 |   组件   |   硬件平台   |   操作系统   |      链接      |        SHA-256     |