update readme file, using zoom client instead of welink

tsc/README.md

@@ -4,7 +4,7 @@ The role and responsibilities of the Technical Steering Committee are defined in
 the [governance](../governance.md) document.
 
 The Technical Steering Committee meets regularly and calls are available for
-any community member to join via [**WeLink Meeting**](https://www.huaweicloud.com/en-us/product/welink-download.html) on the **3th Thursday** every month (UTC+8)
+any community member to join via **Zoom** on the **3rd Thursday** every month (UTC+8)
 from *4:00pm* to *5:00pm*.
 
 Agendas for upcoming meetings and notes from completed meetings are published

tsc/meeting-notes/2020-11-19.md

@@ -2,14 +2,14 @@
 
 ### How to Join:
 
-The meeting information is as follows. You can click the meeting link to join the meeting or use the meeting ID to join the meeting from the WeLink Client, WeLink Management Platform, or meeting terminal.
-> **NOTICE:** Please install [**WeLink Client**](https://www.huaweicloud.com/en-us/product/welink-download.html) before joining the meeting.
+The meeting information is as follows. You can click the meeting link to join the meeting or use the meeting ID to join the meeting from the Zoom client.
+> **NOTICE:** Please install **Zoom** before joining the meeting.
 ```
-Subject: MindSpore TSC Monthly Meeting
-Duration: 2020-11-19 16:00 - 2020-11-19 17:00
-Meeting ID: 941395954
-Meeting Password: 232831
-Meeting link: https://bmeeting.huaweicloud.com:36443/#/j/982847925/ed4ef9aa6abd4967d1ff99523b6457bf06b95921ad4d9ac3
+Subject: MindSpore TSC Meeting Nov 19
+Duration: 2020-11-19 16:00 - 2020-11-19 17:00 (UTC +08:00)
+Meeting ID: 850 801 418
+Meeting Password: 
+Meeting link: https://welink-meeting.zoom.us/j/850801418
 ```
 
 ### Attendance: