docs: update README

1 files changed, 29 insertions, 8 deletions

diff --git a/README.md b/README.md
index a62efea..735efa9 100644
--- a/README.md
+++ b/README.md
@@ -7,40 +7,61 @@ Eureka is a elegant and powerful theme for [Hugo](https://gohugo.io/). Eureka is
 ### Prerequisites
 
 -   [Git](https://git-scm.com/)
--   [Hugo Extended v0.65.0+](https://gohugo.io/getting-started/installing/)
+-   [Hugo Extended 0.74.0+](https://gohugo.io/getting-started/installing/)
+-   [Node.js](https://nodejs.org/en/)
 
-Eureka uses [Hugo Pipes](https://gohugo.io/hugo-pipes/introduction/) to process PostCSS, so customizing assets in Eureka requires an extended version of Hugo. If you are new to Hugo, you can read Hugo's [quick start](https://gohugo.io/getting-started/quick-start/).
+Eureka uses [Hugo Pipes](https://gohugo.io/hugo-pipes/introduction/) to process PostCSS.
 
 ### Installation
 
+ If you are new to Hugo or do not have a Hugo site, you can read Hugo's [quick start](https://gohugo.io/getting-started/quick-start/).
+
+ Then, add Eureka as a submodule to the current project.
+
 ```shell
-cd your_hugo_site
+cd <your_hugo_site>
 git init
 git submodule add https://github.com/wangchucheng/hugo-eureka.git themes/eureka
 ```
 
-If you want to customize and recompile css file, make sure to install `postcss-cli` and `autoprefixer` globally. Because Hugo Pipe’s PostCSS requires it, which you can read Hugo's [PostCSS](https://gohugo.io/hugo-pipes/postcss/).
+Since Eureka uses PostCSS, make sure to install `postcss-cli` and `autoprefixer` globally, which you can read Hugo's [PostCSS](https://gohugo.io/hugo-pipes/postcss/) for details.
 
 ```shell
 npm install -g postcss-cli
 npm install -g autoprefixer
 ```
 
-Then, install the necessary node packages in `themes/eureka`.
+Then, install the necessary packages in `themes/eureka`.
 
 ```shell
+cd themes/eureka
 npm install
 ```
 
-Finally, add the theme to the site configuration.
+Following that, set theme in `config.toml`.
 
-```
+```toml
 theme = "eureka"
 ```
 
+Finally, you can preview the site in the root directory of the site.
+
+```shell
+hugo server
+```
+
+### Specify Version
+
+If you want to specify the version of Eureka, you can do so as follows.
+
+```shell
+cd themes/eureka
+git checkout <eureka_version>
+```
+
 ## Usage
 
-Copy the `config.toml` in Eureka's `exampleSite` folder to the root folder of your Hugo site. Feel free to change it.
+Copy the `config` folder in Eureka's `exampleSite` folder to the root folder of your Hugo site. Feel free to change it. After that, you need to delete the automatically generated `config.toml` file.
 
 Then you can add some content in your blog: