diff --git a/README.md b/README.md
index 671e688..e48934b 100644
--- a/README.md
+++ b/README.md
@@ -120,13 +120,13 @@ Community Support
 Freshly install a system from the list above and run this command:
 
 ```sh
-wget -qO- https://get.casaos.io | bash
+wget -qO- https://get.casaos.io | sudo bash
 ```
 
 or
 
 ```sh
-curl -fsSL https://get.casaos.io | bash
+curl -fsSL https://get.casaos.io | sudo bash
 ```
 
 ### Uninstall CasaOS
@@ -141,7 +141,7 @@ casaos-uninstall
 Before v0.3.3
 
 ```sh
-curl -fsSL https://get.icewhale.io/casaos-uninstall.sh | bash
+curl -fsSL https://get.icewhale.io/casaos-uninstall.sh | sudo bash
 ```
 
 ## Community 
@@ -162,38 +162,8 @@ We believes that through community-driven collaborative innovation and open comm
 
 CasaOS is a community-driven open source project and the people involved are CasaOS users. That means CasaOS will always need contributions from community members just like you!
 
-<details>
-  <summary><b>How can I get involved? 🧐</b></summary>
-  <p>
-
-### Coding 💻 (WIP)
-
-We are refining documentation that can be used for effective community collaboration. Feel free to start a discussion if you have a good idea.
-
-### Helping Users 💬
-
-If you have extensive knowledge of CasaOS and related areas. We highly encourage you to help others as much as you can in Discord and Discussions.
-
-Discord: [https://discord.gg/knqAbbBbeX](https://discord.gg/knqAbbBbeX)
-
-GitHub Discussions: [https://github.com/IceWhaleTech/CasaOS/discussions](https://github.com/IceWhaleTech/CasaOS/discussions)
-
-### Helping with Translations 🌍 (WIP)
-
-CasaOS officially supports English and Chinese. You are welcome to help make CasaOS available in more languages.
-
-### Performing Alpha Testing ⚠️
-
-Alpha testing is quality assurance testing that is engaged and driven by the community. It's a great way to get involved in contributing and experiencing the latest features before a new release.
-
-The documentation is being refined and you can contact @JohnGuan via [Discord](https://discord.gg/knqAbbBbeX). Ask to join the #casaos-alpha channel.
-
-### Writing Documentation 📖 (WIP)
-
-Help make our documentation better by writing new content for the CasaOS Wiki, correcting existing material, or translating content into new languages.
-
-  </p>
-</details>
+- See <https://wiki.casaos.io/en/contribute> for ways of contribution to CasaOS
+- See <https://wiki.casaos.io/en/contribute/development> if you want to be involved in code contribution specificially
 
 ## Credits