[doc] update slack link
diff --git a/.github/ISSUE_TEMPLATE/config.yml b/.github/ISSUE_TEMPLATE/config.yml
index b310fcfefc15..436bdf887c69 100644
--- a/.github/ISSUE_TEMPLATE/config.yml
+++ b/.github/ISSUE_TEMPLATE/config.yml
@@ -1,7 +1,7 @@
 blank_issues_enabled: true
 contact_links:
   - name: ❓ Simple question - Slack Chat
-    url: https://join.slack.com/t/colossalaiworkspace/shared_invite/zt-z7b26eeb-CBp7jouvu~r0~lcFzX832w
+    url: https://github.com/hpcaitech/public_assets/tree/main/colossalai/contact/slack
     about: This issue tracker is not for technical support. Please use our Slack chat, and ask the community for help.
   - name: ❓ Simple question - WeChat
     url: https://github.com/hpcaitech/ColossalAI/blob/main/docs/images/WeChat.png
diff --git a/README.md b/README.md
index a50cf496a98e..b2efb7910489 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@
    [![Documentation](https://readthedocs.org/projects/colossalai/badge/?version=latest)](https://colossalai.readthedocs.io/en/latest/?badge=latest)
    [![CodeFactor](https://www.codefactor.io/repository/github/hpcaitech/colossalai/badge)](https://www.codefactor.io/repository/github/hpcaitech/colossalai)
    [![HuggingFace badge](https://img.shields.io/badge/%F0%9F%A4%97HuggingFace-Join-yellow)](https://huggingface.co/hpcai-tech)
-   [![slack badge](https://img.shields.io/badge/Slack-join-blueviolet?logo=slack&amp)](https://join.slack.com/t/colossalaiworkspace/shared_invite/zt-z7b26eeb-CBp7jouvu~r0~lcFzX832w)
+   [![slack badge](https://img.shields.io/badge/Slack-join-blueviolet?logo=slack&amp)](https://github.com/hpcaitech/public_assets/tree/main/colossalai/contact/slack)
    [![WeChat badge](https://img.shields.io/badge/微信-加入-green?logo=wechat&amp)](https://raw.githubusercontent.com/hpcaitech/public_assets/main/colossalai/img/WeChat.png)
 
 
diff --git a/applications/Chat/README.md b/applications/Chat/README.md
index 59e2c4548365..d5be04ab9f44 100644
--- a/applications/Chat/README.md
+++ b/applications/Chat/README.md
@@ -413,7 +413,7 @@ You may contact us or participate in the following ways:
 1. [Leaving a Star ⭐](https://github.com/hpcaitech/ColossalAI/stargazers) to show your like and support. Thanks!
 2. Posting an [issue](https://github.com/hpcaitech/ColossalAI/issues/new/choose), or submitting a PR on GitHub follow the guideline in [Contributing](https://github.com/hpcaitech/ColossalAI/blob/main/CONTRIBUTING.md).
 3. Join the Colossal-AI community on
-   [Slack](https://join.slack.com/t/colossalaiworkspace/shared_invite/zt-z7b26eeb-CBp7jouvu~r0~lcFzX832w),
+   [Slack](https://github.com/hpcaitech/public_assets/tree/main/colossalai/contact/slack),
    and [WeChat(微信)](https://raw.githubusercontent.com/hpcaitech/public_assets/main/colossalai/img/WeChat.png "qrcode") to share your ideas.
 4. Send your official proposal to email contact@hpcaitech.com
 
diff --git a/colossalai/nn/optimizer/README.md b/colossalai/nn/optimizer/README.md
index c4afc6128d43..e89e6217d596 100644
--- a/colossalai/nn/optimizer/README.md
+++ b/colossalai/nn/optimizer/README.md
@@ -18,7 +18,7 @@ quickly deploy large AI model training and inference, reducing large AI model tr
 [**Paper**](https://arxiv.org/abs/2110.14883) |
 [**Documentation**](https://www.colossalai.org/) |
 [**Forum**](https://github.com/hpcaitech/ColossalAI/discussions) |
-[**Slack**](https://join.slack.com/t/colossalaiworkspace/shared_invite/zt-z7b26eeb-CBp7jouvu~r0~lcFzX832w)
+[**Slack**](https://github.com/hpcaitech/public_assets/tree/main/colossalai/contact/slack)
 
 
 ## Table of Content
diff --git a/docs/README-zh-Hans.md b/docs/README-zh-Hans.md
index 06977f9471c0..499d67a37c70 100644
--- a/docs/README-zh-Hans.md
+++ b/docs/README-zh-Hans.md
@@ -16,7 +16,7 @@
    [![Documentation](https://readthedocs.org/projects/colossalai/badge/?version=latest)](https://colossalai.readthedocs.io/en/latest/?badge=latest)
    [![CodeFactor](https://www.codefactor.io/repository/github/hpcaitech/colossalai/badge)](https://www.codefactor.io/repository/github/hpcaitech/colossalai)
    [![HuggingFace badge](https://img.shields.io/badge/%F0%9F%A4%97HuggingFace-Join-yellow)](https://huggingface.co/hpcai-tech)
-   [![slack badge](https://img.shields.io/badge/Slack-join-blueviolet?logo=slack&amp)](https://join.slack.com/t/colossalaiworkspace/shared_invite/zt-z7b26eeb-CBp7jouvu~r0~lcFzX832w)
+   [![slack badge](https://img.shields.io/badge/Slack-join-blueviolet?logo=slack&amp)](https://github.com/hpcaitech/public_assets/tree/main/colossalai/contact/slack)
    [![WeChat badge](https://img.shields.io/badge/微信-加入-green?logo=wechat&amp)](https://raw.githubusercontent.com/hpcaitech/public_assets/main/colossalai/img/WeChat.png)
 
    | [English](README.md) | [中文](README-zh-Hans.md) |
diff --git a/examples/README.md b/examples/README.md
index 142a735c6819..b822fb8ff923 100644
--- a/examples/README.md
+++ b/examples/README.md
@@ -36,7 +36,7 @@ You may contact us or participate in the following ways:
 1. [Leaving a Star ⭐](https://github.com/hpcaitech/ColossalAI/stargazers) to show your like and support. Thanks!
 2. Posting an [issue](https://github.com/hpcaitech/ColossalAI/issues/new/choose), or submitting a PR on GitHub follow the guideline in [Contributing](https://github.com/hpcaitech/ColossalAI/blob/main/CONTRIBUTING.md).
 3. Join the Colossal-AI community on
-[Slack](https://join.slack.com/t/colossalaiworkspace/shared_invite/zt-z7b26eeb-CBp7jouvu~r0~lcFzX832w),
+[Slack](https://github.com/hpcaitech/public_assets/tree/main/colossalai/contact/slack),
 and [WeChat(微信)](https://raw.githubusercontent.com/hpcaitech/public_assets/main/colossalai/img/WeChat.png "qrcode") to share your ideas.
 4. Send your official proposal to email contact@hpcaitech.com
 
diff --git a/examples/images/diffusion/README.md b/examples/images/diffusion/README.md
index b63896524909..d6a1c47d6b87 100644
--- a/examples/images/diffusion/README.md
+++ b/examples/images/diffusion/README.md
@@ -254,7 +254,7 @@ You may contact us or participate in the following ways:
 1. [Leaving a Star ⭐](https://github.com/hpcaitech/ColossalAI/stargazers) to show your like and support. Thanks!
 2. Posting an [issue](https://github.com/hpcaitech/ColossalAI/issues/new/choose), or submitting a PR on GitHub follow the guideline in [Contributing](https://github.com/hpcaitech/ColossalAI/blob/main/CONTRIBUTING.md).
 3. Join the Colossal-AI community on
-[Slack](https://join.slack.com/t/colossalaiworkspace/shared_invite/zt-z7b26eeb-CBp7jouvu~r0~lcFzX832w),
+[Slack](https://github.com/hpcaitech/public_assets/tree/main/colossalai/contact/slack),
 and [WeChat(微信)](https://raw.githubusercontent.com/hpcaitech/public_assets/main/colossalai/img/WeChat.png "qrcode") to share your ideas.
 4. Send your official proposal to email contact@hpcaitech.com
 
diff --git a/examples/images/dreambooth/README.md b/examples/images/dreambooth/README.md
index 4e9febbc5fa8..6716052897a6 100644
--- a/examples/images/dreambooth/README.md
+++ b/examples/images/dreambooth/README.md
@@ -139,7 +139,7 @@ You may contact us or participate in the following ways:
 1. [Leaving a Star ⭐](https://github.com/hpcaitech/ColossalAI/stargazers) to show your like and support. Thanks!
 2. Posting an [issue](https://github.com/hpcaitech/ColossalAI/issues/new/choose), or submitting a PR on GitHub follow the guideline in [Contributing](https://github.com/hpcaitech/ColossalAI/blob/main/CONTRIBUTING.md).
 3. Join the Colossal-AI community on
-[Slack](https://join.slack.com/t/colossalaiworkspace/shared_invite/zt-z7b26eeb-CBp7jouvu~r0~lcFzX832w),
+[Slack](https://github.com/hpcaitech/public_assets/tree/main/colossalai/contact/slack),
 and [WeChat(微信)](https://raw.githubusercontent.com/hpcaitech/public_assets/main/colossalai/img/WeChat.png "qrcode") to share your ideas.
 4. Send your official proposal to email contact@hpcaitech.com
 

## 📌 Checklist before creating the PR

- [ ] I have created an issue for this PR for traceability
- [ ] The title follows the standard format: `[doc/gemini/tensor/...]: A concise description`
- [ ] I have added relevant tags if possible for us to better distinguish different PRs


## 🚨 Issue number

> Link this PR to your issue with words like fixed to automatically close the linked issue upon merge
>
> e.g. `fixed #1234`, `closed #1234`, `resolved #1234`



## 📝 What does this PR do?

> Summarize your work here.
> if you have any plots/diagrams/screenshots/tables, please attach them here.



## 💥 Checklist before requesting a review

- [ ] I have linked my PR to an issue ([instruction](https://docs.github.com/en/issues/tracking-your-work-with-issues/linking-a-pull-request-to-an-issue))
- [ ] My issue clearly describes the problem/feature/proposal, with diagrams/charts/table/code if possible
- [ ] I have performed a self-review of my code
- [ ] I have added thorough tests.
- [ ] I have added docstrings for all the functions/methods I implemented

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Tell us more if you don't enjoy contributing to Colossal-AI.
