[Fix] Fix dead link (#9023)

Author: Hisoka-X

Diff for: docs/en/about.md

@@ -69,4 +69,4 @@ SeaTunnel enriches the <a href="https://landscape.cncf.io/?item=app-definition-a
 
 ## Learn more
 
-You can see [Quick Start](/docs/start-v2/locally/deployment) for the next steps.
+You can see [Quick Start](start-v2/locally/deployment.md) for the next steps.

Diff for: docs/zh/about.md

@@ -54,7 +54,7 @@ SeaTunnel 使用的默认引擎是 [SeaTunnel Engine](seatunnel-engine/about.md)
 
 ## 谁在使用 SeaTunnel
 
-SeaTunnel 拥有大量用户。 您可以在[用户](https://seatunnel.apache.org/user)中找到有关他们的更多信息.
+SeaTunnel 拥有大量用户。 您可以在[用户](https://seatunnel.apache.org/user)中找到有关他们的更多信息.  
 
 ## 展望