Update docs

README.md

@@ -3,7 +3,7 @@
 # LightMirrors
 
 LightMirrors是一个开源的缓存镜像站服务，用于加速软件包下载和镜像拉取。
-目前支持DockerHub、PyPI、PyTorch、NPM等镜像缓存服务。
+目前支持**DockerHub**、PyPI、PyTorch、NPM等镜像缓存服务。
 
 
 <a href='https://github.com/NoCLin/LightMirrors/'><img src='https://img.shields.io/badge/Light-Mirrors-green'></a>
@@ -11,6 +11,8 @@ LightMirrors是一个开源的缓存镜像站服务，用于加速软件包下
 [![GitHub](https://img.shields.io/github/stars/NoCLin/LightMirrors?style=social)](https://github.com/NoCLin/LightMirrors)
 [![GitHub](https://img.shields.io/github/forks/NoCLin/LightMirrors?style=social)](https://github.com/NoCLin/LightMirrors)
 
+![Demo](docs/images/1.png)
+
 </div>
 
 
@@ -50,11 +52,11 @@ LightMirrors依赖于三个组件：
 
 > 假设我们的域名为 local.homeinfra.org
 
-| subdomain | source                          | test command                                                    |
-|-----------|---------------------------------|-----------------------------------------------------------------|
-| pypi      | https://pypi.org                | pip3 download -i https://pypi.local.homeinfra.org/simple jinja2 |
-| torch     | https://download.pytorch.org    | pip3 download -i https://torch.local.homeinfra.org/whl/ torch   |
-| dockerhub | https://registry-1.docker.io/v2 | docker pull docker.local.homeinfra.org/alpine                   |
+| subdomain | source                          | test command                                                      |
+|-----------|---------------------------------|-------------------------------------------------------------------|
+| pypi      | https://pypi.org                | `pip3 download -i https://pypi.local.homeinfra.org/simple jinja2` |
+| torch     | https://download.pytorch.org    | `pip3 download -i https://torch.local.homeinfra.org/whl/ torch`   |
+| dockerhub | https://registry-1.docker.io/v2 | `docker pull docker.local.homeinfra.org/alpine`                   |
 
 
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