diff --git a/website/docs/labs/capsule-dynamic-loading.md b/website/docs/labs/capsule-dynamic-loading.md
index adca91bf..bc02bf3a 100644
--- a/website/docs/labs/capsule-dynamic-loading.md
+++ b/website/docs/labs/capsule-dynamic-loading.md
@@ -17,7 +17,7 @@ Starting from the `v0.6` version, `ckb-std` introduces the [dynamic loading modu
 
 In this tutorial, we build an example shared library in C, and try to dynamically load the shared library from a contract written in Rust.
 
-If you run into an issue on this tutorial you can [create a new issue](https://github.com/nervosnetwork/capsule) or contact us on [Nervos talk](https://talk.nervos.org/) or [Discord](https://discord.gg/n6tx7uC). 
+If you run into an issue on this tutorial you can [create a new issue](https://github.com/nervosnetwork/capsule) or contact us on [Nervos talk](https://talk.nervos.org/) or [Discord](https://discord.gg/MWjqYpVbQR). 
 
 ## Setup the develop environment
 
diff --git a/website/docs/labs/sudtbycapsule.md b/website/docs/labs/sudtbycapsule.md
index fbd55900..cad97a01 100644
--- a/website/docs/labs/sudtbycapsule.md
+++ b/website/docs/labs/sudtbycapsule.md
@@ -15,7 +15,7 @@ We expect that:
 * You are generally familiar with Nervos CKB and have completed the [How to use a development blockchain](basics/guides/devchain.md)
 * You are open to learning about the bleeding edge of blockchain development
 
-If you run into an issue on this tutorial you can [create a new issue](https://github.com/nervosnetwork/capsule) or contact us on [Nervos talk](https://talk.nervos.org/) or [Discord](https://discord.gg/n6tx7uC). 
+If you run into an issue on this tutorial you can [create a new issue](https://github.com/nervosnetwork/capsule) or contact us on [Nervos talk](https://talk.nervos.org/) or [Discord](https://discord.gg/MWjqYpVbQR). 
 
 What you will be doing: