diff --git a/README.en.md b/README.en.md
index db87020..1771c69 100644
--- a/README.en.md
+++ b/README.en.md
@@ -4,7 +4,7 @@
 [![codecov](https://codecov.io/gh/shmilylty/OneForAll/branch/master/graph/badge.svg)](https://codecov.io/gh/shmilylty/OneForAll)
 [![Maintainability](https://api.codeclimate.com/v1/badges/1287668a6b4c72af683e/maintainability)](https://codeclimate.com/github/shmilylty/OneForAll/maintainability)
 [![License](https://img.shields.io/github/license/shmilylty/OneForAll)](https://github.com/shmilylty/OneForAll/tree/master/LICENSE)
-[![python](https://img.shields.io/badge/python-3.6%20%7C%203.7%20%7C%203.8-blue)](https://github.com/shmilylty/OneForAll/tree/master/)
+[![python](https://img.shields.io/badge/python-3.7%20%7C%203.8-blue)](https://github.com/shmilylty/OneForAll/tree/master/)
 [![python](https://img.shields.io/badge/release-v0.0.7-brightgreen)](https://github.com/shmilylty/OneForAll/releases)
 
 👊**OneForAll is a powerful subdomain collection tool**  📝[中文文档](https://github.com/shmilylty/OneForAll/tree/master/README.md)
@@ -59,15 +59,15 @@ At present, OneForAll is still under development, there must be a lot of problem
 
 **🐍Installation requirements**
 
-OneForAll is based on CPython, so you need a Python environment to run. If your system doesn't already have a Python environment, you can refer to the [Python 3 Installation Guide](https://pythonguidecn.readthedocs.io/en/latest/starting/installation.html#python-3), theoretically Python 3.6, 3.7 and 3.8 can run OneForAll, **but** many tests are done on Python 3.7, so **recommended** you use **Python 3.7** version runs OneForAll. Run the following command to check the Python and pip3 versions:
+OneForAll is based on CPython, so you need a Python environment to run. If your system doesn't already have a Python environment, you can refer to the [Python 3 Installation Guide](https://pythonguidecn.readthedocs.io/en/latest/starting/installation.html#python-3), theoretically Python 3.7 and 3.8 can run OneForAll, **but** many tests are done on Python 3.8, so **recommended** you use **Python 3.8** version runs OneForAll. Run the following command to check the Python and pip3 versions:
 ```bash
 python -V
 pip3 -V
 ```
 If you see the following output, there is no problem with the Python environment:
 ```bash
-Python 3.7.4
-pip 19.2.2 from C:\Users\shmilylty\AppData\Roaming\Python\Python37\site-packages\pip (python 3.7)
+Python 3.8.0
+pip 19.2.2 from C:\Users\shmilylty\AppData\Roaming\Python\Python37\site-packages\pip (python 3.8)
 ```
 
 **✔Installation steps**
diff --git a/README.md b/README.md
index 743b9f2..f9bcec4 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@
 [![codecov](https://codecov.io/gh/shmilylty/OneForAll/branch/master/graph/badge.svg)](https://codecov.io/gh/shmilylty/OneForAll)
 [![Maintainability](https://api.codeclimate.com/v1/badges/1287668a6b4c72af683e/maintainability)](https://codeclimate.com/github/shmilylty/OneForAll/maintainability)
 [![License](https://img.shields.io/github/license/shmilylty/OneForAll)](https://github.com/shmilylty/OneForAll/tree/master/LICENSE)
-[![python](https://img.shields.io/badge/python-3.6%20%7C%203.7%20%7C%203.8-blue)](https://github.com/shmilylty/OneForAll/tree/master/)
+[![python](https://img.shields.io/badge/python-3.7%20%7C%203.8-blue)](https://github.com/shmilylty/OneForAll/tree/master/)
 [![python](https://img.shields.io/badge/release-v0.0.7-brightgreen)](https://github.com/shmilylty/OneForAll/releases)
 
 👊**OneForAll是一款功能强大的子域收集工具**  📝[English Document](https://github.com/shmilylty/OneForAll/tree/master/README.en.md)
@@ -59,15 +59,15 @@
 
 **🐍安装要求**
 
-OneForAll是基于CPython开发的，所以你需要Python环境才能运行，如果你的系统还没有Python环境你可以参考[Python 3 安装指南](https://pythonguidecn.readthedocs.io/zh/latest/starting/installation.html#python-3)，理论上Python 3.6，3.7和3.8都可以正常运行OneForAll，**但是**许多测试都是在Python 3.7上进行的，所以**推荐**你使用**Python 3.7**版本运行OneForAll。运行以下命令检查Python和pip3版本：
+OneForAll是基于CPython开发的，所以你需要Python环境才能运行，如果你的系统还没有Python环境你可以参考[Python 3 安装指南](https://pythonguidecn.readthedocs.io/zh/latest/starting/installation.html#python-3)，理论上Python 3.7和3.8都可以正常运行OneForAll，**但是**许多测试都是在Python 3.8上进行的，所以**推荐**你使用**Python 3.8**版本运行OneForAll。运行以下命令检查Python和pip3版本：
 ```bash
 python -V
 pip3 -V
 ```
 如果你看到以下类似输出便说明Python环境没有问题：
 ```bash
-Python 3.7.4
-pip 19.2.2 from C:\Users\shmilylty\AppData\Roaming\Python\Python37\site-packages\pip (python 3.7)
+Python 3.8.0
+pip 19.2.2 from C:\Users\shmilylty\AppData\Roaming\Python\Python38\site-packages\pip (python 3.8)
 ```
 
 **✔安装步骤**
@@ -92,7 +92,7 @@ pip 19.2.2 from C:\Users\shmilylty\AppData\Roaming\Python\Python37\site-packages
    pip3 install --user -r requirements.txt -i https://mirrors.aliyun.com/pypi/simple/
    cd oneforall/
    python oneforall.py --help
-   ```
+```
    其他系统平台的请参考[依赖安装](https://github.com/shmilylty/OneForAll/tree/master/docs/installation_dependency.md)，如果在安装依赖过程中发现编译某个依赖库失败时可以参考[Q&A](https://github.com/shmilylty/OneForAll/tree/master/docs/Q&A.md)中解决方法，如果还没有解决欢迎加群反馈。
 
 3. **更新**
diff --git a/docs/Q&A.md b/docs/Q&A.md
index 0d12499..6e4adca 100644
--- a/docs/Q&A.md
+++ b/docs/Q&A.md
@@ -10,10 +10,10 @@ A: 可以尝试以下方法:
  * [https://www.lfd.uci.edu/~gohlke/pythonlibs](https://www.lfd.uci.edu/~gohlke/pythonlibs)
  * [https://pythonwheels.com/](https://pythonwheels.com/)
 
-选择好对应版本执行以下命令手动安装。举个例子，当编译pycares时失败时，找到[https://www.lfd.uci.edu/~gohlke/pythonlibs/#pycares](https://www.lfd.uci.edu/~gohlke/pythonlibs/#pycares)，由于我的系统是Windows 10 64位，使用的Python 3.7便下载`pycares‑3.0.0‑cp37‑cp37m‑win_amd64.whl`（一般来说下载最新版本的），然后手动安装：
+选择好对应版本执行以下命令手动安装。举个例子，当编译 brotlipy 时失败时，找到[https://www.lfd.uci.edu/~gohlke/pythonlibs/#brotlipy](https://www.lfd.uci.edu/~gohlke/pythonlibs/#brotlipy)，由于我的系统是Windows 10 64位，使用的Python 3.8便下载`brotlipy‑0.7.0‑cp38‑cp38‑win_amd64.whl`（一般来说下载最新版本的），然后手动安装：
 
 ```bash
-pip3 install pycares‑3.0.0‑cp37‑cp37m‑win_amd64.whl
+pip3 install brotlipy‑0.7.0‑cp38‑cp38‑win_amd64.whl
 ```
 
 2. 到库的项目地址issues和wiki等找找有没有解决方法，如果没有就给他们提issues发邮件😜。
diff --git a/docs/installation_dependency.md b/docs/installation_dependency.md
index 2b1cc65..0afc8cb 100644
--- a/docs/installation_dependency.md
+++ b/docs/installation_dependency.md
@@ -2,7 +2,7 @@
 
 你可以通过pip3和pipenv两种方法安装OneForAll的依赖（如果你熟悉[pipenv](https://docs.pipenv.org/en/latest/)，那么推荐使用你使用pipenv）：
 
-* **Windows系统**（注意：如果你的Python3安装在系统Program Files目录下，如：`C:\Program Files\Python37`，那么请以管理员身份运行命令提示符cmd执行以下命令！）
+* **Windows系统**（注意：如果你的Python3安装在系统Program Files目录下，如：`C:\Program Files\Python38`，那么请以管理员身份运行命令提示符cmd执行以下命令！）
 
     1. 使用pipenv
 
@@ -10,7 +10,7 @@
     cd OneForAll/
     python -m pip install --user -U pip setuptools wheel -i https://mirrors.aliyun.com/pypi/simple/
     pip3 install --user pipenv -i https://mirrors.aliyun.com/pypi/simple/
-    pipenv install --user --python 3.7
+    pipenv install --user --python 3.8
     cd oneforall
     pipenv run python oneforall.py --help
     ```
@@ -31,7 +31,7 @@
     cd OneForAll/
     python3 -m pip install --user -U pip setuptools wheel -i https://mirrors.aliyun.com/pypi/simple/
     sudo pip3 install --user pipenv -i https://mirrors.aliyun.com/pypi/simple/
-    sudo pipenv install --user --python 3.7
+    sudo pipenv install --user --python 3.8
     cd oneforall
     pipenv run python3 oneforall.py --help
     ```
@@ -50,7 +50,7 @@
     cd OneForAll/
     python3 -m pip install --user -U pip setuptools wheel -i https://mirrors.aliyun.com/pypi/simple/
     pip3 install --user pipenv -i https://mirrors.aliyun.com/pypi/simple/
-    pipenv install --user --python 3.7
+    pipenv install --user --python 3.8
     cd oneforall
     pipenv run python3 oneforall.py --help
     ```