diff --git a/install/mindspore_cpu_install.md b/install/mindspore_cpu_install.md
index ba4c8e689aac880bca8386d7e95ebcaa659d078a..45a1beee503131e6e0690bda2ba75e4980b6f6fe 100644
--- a/install/mindspore_cpu_install.md
+++ b/install/mindspore_cpu_install.md
@@ -21,9 +21,9 @@
 
 | 版本号 | 操作系统 | 可执行文件安装依赖 | 源码编译安装依赖 |
 | ---- | :--- | :--- | :--- |
-| MindSpore master | Ubuntu 16.04（及以上） x86_64 | - [Python](https://www.python.org/downloads/) 3.7.5 <br> - 其他依赖项参见[requirements.txt](https://gitee.com/mindspore/mindspore/blob/master/requirements.txt) | **编译依赖：**<br> - [Python](https://www.python.org/downloads/) 3.7.5 <br> - [wheel](https://pypi.org/project/wheel/) >= 0.32.0 <br> - [GCC](https://gcc.gnu.org/releases.html) 7.3.0 <br> - [CMake](https://cmake.org/download/) >= 3.14.1 <br> - [patch](http://ftp.gnu.org/gnu/patch/) >= 2.5 <br> **安装依赖：**<br> 与可执行文件安装依赖相同 |
+| MindSpore master | Ubuntu 18.04 x86_64 | - [Python](https://www.python.org/downloads/) 3.7.5 <br> - 其他依赖项参见[requirements.txt](https://gitee.com/mindspore/mindspore/blob/master/requirements.txt) | **编译依赖：**<br> - [Python](https://www.python.org/downloads/) 3.7.5 <br> - [wheel](https://pypi.org/project/wheel/) >= 0.32.0 <br> - [GCC](https://gcc.gnu.org/releases.html) 7.3.0 <br> - [CMake](https://cmake.org/download/) >= 3.14.1 <br> - [patch](http://ftp.gnu.org/gnu/patch/) >= 2.5 <br> **安装依赖：**<br> 与可执行文件安装依赖相同 |
 
-- Ubuntu版本为18.04时，GCC 7.3.0可以直接通过apt命令安装。
+- GCC 7.3.0可以直接通过apt命令安装。
 - 在联网状态下，安装whl包时会自动下载`requirements.txt`中的依赖项，其余情况需自行安装。
 
 ### Conda安装（可选）
@@ -97,7 +97,7 @@
 
 | 版本号                 | 操作系统            | 可执行文件安装依赖                                           | 源码编译安装依赖         |
 | ---------------------- | :------------------ | :----------------------------------------------------------- | :----------------------- |
-| MindArmour master | Ubuntu 16.04（及以上） x86_64 | - [Python](https://www.python.org/downloads/) 3.7.5 <br> - MindSpore master<br> - 其他依赖项参见[setup.py](https://gitee.com/mindspore/mindarmour/blob/master/setup.py) | 与可执行文件安装依赖相同 |
+| MindArmour master | Ubuntu 18.04 x86_64 | - [Python](https://www.python.org/downloads/) 3.7.5 <br> - MindSpore master<br> - 其他依赖项参见[setup.py](https://gitee.com/mindspore/mindarmour/blob/master/setup.py) | 与可执行文件安装依赖相同 |
 
 - 在联网状态下，安装whl包时会自动下载`setup.py`中的依赖项，其余情况需自行安装。
 
diff --git a/install/mindspore_cpu_install_en.md b/install/mindspore_cpu_install_en.md
index 6170254ae2690bce51e2fe5db63bbe4497088440..5d2eaa21209ebf7bc5c191c3846654f35c30b95c 100644
--- a/install/mindspore_cpu_install_en.md
+++ b/install/mindspore_cpu_install_en.md
@@ -21,9 +21,9 @@ This document describes how to quickly install MindSpore on a Ubuntu system with
 
 | Version | Operating System | Executable File Installation Dependencies | Source Code Compilation and Installation Dependencies |
 | ---- | :--- | :--- | :--- |
-| MindSpore master | Ubuntu 16.04 or later x86_64 | - [Python](https://www.python.org/downloads/) 3.7.5 <br> - For details about other dependency items, see [requirements.txt](https://gitee.com/mindspore/mindspore/blob/master/requirements.txt). | **Compilation dependencies:**<br> - [Python](https://www.python.org/downloads/) 3.7.5 <br> - [wheel](https://pypi.org/project/wheel/) >= 0.32.0 <br> - [GCC](https://gcc.gnu.org/releases.html) 7.3.0 <br> - [CMake](https://cmake.org/download/) >= 3.14.1 <br> - [patch](http://ftp.gnu.org/gnu/patch/) >= 2.5 <br> same as the executable file installation dependencies. |
+| MindSpore master | Ubuntu 18.04 x86_64 | - [Python](https://www.python.org/downloads/) 3.7.5 <br> - For details about other dependency items, see [requirements.txt](https://gitee.com/mindspore/mindspore/blob/master/requirements.txt). | **Compilation dependencies:**<br> - [Python](https://www.python.org/downloads/) 3.7.5 <br> - [wheel](https://pypi.org/project/wheel/) >= 0.32.0 <br> - [GCC](https://gcc.gnu.org/releases.html) 7.3.0 <br> - [CMake](https://cmake.org/download/) >= 3.14.1 <br> - [patch](http://ftp.gnu.org/gnu/patch/) >= 2.5 <br> same as the executable file installation dependencies. |
 
-- When Ubuntu version is 18.04, GCC 7.3.0 can be installed by using apt command.
+- GCC 7.3.0 can be installed by using apt command.
 - When the network is connected, dependency items in the `requirements.txt` file are automatically downloaded during .whl package installation. In other cases, you need to manually install dependency items.
 
 ### (Optional) Installing Conda
@@ -97,7 +97,7 @@ If you need to conduct AI model security research or enhance the security of the
 
 | Version | Operating System | Executable File Installation Dependencies | Source Code Compilation and Installation Dependencies |
 | ---- | :--- | :--- | :--- |
-| MindArmour master | Ubuntu 16.04 or later x86_64 | - [Python](https://www.python.org/downloads/) 3.7.5 <br> - MindSpore master <br> - For details about other dependency items, see [setup.py](https://gitee.com/mindspore/mindarmour/blob/master/setup.py). | Same as the executable file installation dependencies. |
+| MindArmour master | Ubuntu 18.04 x86_64 | - [Python](https://www.python.org/downloads/) 3.7.5 <br> - MindSpore master <br> - For details about other dependency items, see [setup.py](https://gitee.com/mindspore/mindarmour/blob/master/setup.py). | Same as the executable file installation dependencies. |
 
 - When the network is connected, dependency items in the `setup.py` file are automatically downloaded during .whl package installation. In other cases, you need to manually install dependency items.
 
diff --git a/install/mindspore_d_install.md b/install/mindspore_d_install.md
index 5d5b9ab723b92821f69ba70b8ae302f821336668..5362cb77553555a2f14cfd13b7b064af9fcad7d5 100644
--- a/install/mindspore_d_install.md
+++ b/install/mindspore_d_install.md
@@ -36,7 +36,7 @@
 | MindSpore master | - Ubuntu 18.04 aarch64 <br> - Ubuntu 18.04 x86_64 <br> - EulerOS 2.8 aarch64 <br> - EulerOS 2.5 x86_64 | - [Python](https://www.python.org/downloads/) 3.7.5 <br> - Ascend 910 AI处理器配套软件包（对应版本Atlas Data Center Solution V100R020C00T100） <br> - 其他依赖项参见[requirements.txt](https://gitee.com/mindspore/mindspore/blob/master/requirements.txt) | **编译依赖：**<br> - [Python](https://www.python.org/downloads/) 3.7.5 <br> - Ascend 910 AI处理器配套软件包（对应版本Atlas Data Center Solution V100R020C00T100） <br> - [wheel](https://pypi.org/project/wheel/) >= 0.32.0 <br> - [GCC](https://gcc.gnu.org/releases.html) 7.3.0 <br> - [CMake](https://cmake.org/download/) >= 3.14.1 <br> - [patch](http://ftp.gnu.org/gnu/patch/) >= 2.5 <br> **安装依赖：**<br> 与可执行文件安装依赖相同 |
 
 - 确认当前用户有权限访问Ascend 910 AI处理器配套软件包（对应版本Atlas Data Center Solution V100R020C00T100）的安装路径`/usr/local/Ascend`，若无权限，需要root用户将当前用户添加到`/usr/local/Ascend`所在的用户组，具体配置请详见配套软件包的说明文档。
-- Ubuntu版本为18.04时，GCC 7.3.0可以直接通过apt命令安装。
+- GCC 7.3.0可以直接通过apt命令安装。
 - 在联网状态下，安装whl包时会自动下载`requirements.txt`中的依赖项，其余情况需自行安装。
 
 ### Conda安装（可选）
diff --git a/install/mindspore_d_install_en.md b/install/mindspore_d_install_en.md
index 70c3a4ee2e5fe1d7ba0bf40bc63cfb7bd36e7a19..11b2d596f80ffdc40758b18f399948ecad983b1e 100644
--- a/install/mindspore_d_install_en.md
+++ b/install/mindspore_d_install_en.md
@@ -35,7 +35,7 @@ This document describes how to quickly install MindSpore on an Ascend AI process
 | MindSpore master | - Ubuntu 18.04 aarch64 <br> - Ubuntu 18.04 x86_64 <br> - EulerOS 2.8 aarch64 <br> - EulerOS 2.5 x86_64 | - [Python](https://www.python.org/downloads/) 3.7.5 <br> - Ascend 910 AI processor software package(Version:Atlas Data Center Solution V100R020C00T100) <br> - For details about other dependency items, see [requirements.txt](https://gitee.com/mindspore/mindspore/blob/master/requirements.txt). | **Compilation dependencies:**<br> - [Python](https://www.python.org/downloads/) 3.7.5 <br> - Ascend 910 AI processor software package(Version:Atlas Data Center Solution V100R020C00T100) <br> - [wheel](https://pypi.org/project/wheel/) >= 0.32.0 <br> - [GCC](https://gcc.gnu.org/releases.html) 7.3.0 <br> - [CMake](https://cmake.org/download/) >= 3.14.1 <br> - [patch](http://ftp.gnu.org/gnu/patch/) >= 2.5 <br> **Installation dependencies:**<br> same as the executable file installation dependencies. |
 
 - Confirm that the current user has the right to access the installation path `/usr/local/Ascend `of Ascend 910 AI processor software package(Version:Atlas Data Center Solution V100R020C00T100). If not, the root user needs to add the current user to the user group where `/usr/local/Ascend` is located. For the specific configuration, please refer to the software package instruction document.
-- When Ubuntu version is 18.04, GCC 7.3.0 can be installed by using apt command.
+- GCC 7.3.0 can be installed by using apt command.
 - When the network is connected, dependency items in the `requirements.txt` file are automatically downloaded during .whl package installation. In other cases, you need to manually install dependency items.
 
 ### (Optional) Installing Conda