blog/call-for-salon-speaker: fix join info

Author: jyhi

content/cn/blog/call-for-salon-speaker.md

@@ -4,7 +4,7 @@ subtitle: "我们希望你也能大放异彩。"
 author: 以俊德
 date: 2021-08-01
 draft: false
-enableJoinUs: true
+enableJoinUs: false
 carousel: false
 featurePhoto: false
 feature_photo_url: ""
@@ -20,3 +20,5 @@ weight:
 现在，我们想邀请你上来分享你想要分享的东西。可以是任何信息技术相关的话题，只要它适合让大家知道。不需要做很多准备，分享的可以是你的兴趣项目，也可以是对某些技术的一点经验。
 
 如果你从未试过站到舞台上，这可能显得有点难。我们的建议是：尽管试一下。[Do it!](https://www.bilibili.com/video/BV16x411q71u)
+
+如果你从未加入我们的频道或者聊天群，请到[“联系我们”页面](/cn/contacts)。

content/en/blog/call-for-salon-speaker.md

@@ -4,7 +4,7 @@ subtitle: "We want you to shine too."
 author: Junde Yhi
 date: 2021-08-01
 draft: false
-enableJoinUs: true
+enableJoinUs: false
 carousel: false
 featurePhoto: false
 feature_photo_url: ""
@@ -20,3 +20,5 @@ This has been the idea behind HCC Tech Salon, a fully student-led technical talk
 Now, we'd like to invite you to stand out and share something you like. It can be anything related to information technology, given that it's appropriate for everyone to know. It doesn't need to be well-prepared; it could be your hobby project or your experience on some technologies.
 
 It might look difficult if you haven't tried to stand on a stage before. Our advice is: just give it a try. [Do it!](https://www.youtube.com/watch?v=ZXsQAXx_ao0)
+
+Head to ["Contact Us"](/contacts) if you haven't join one of our channel or chat room.