diff --git a/TechTalk.md b/TechTalk.md
index 3f1d64c..241b396 100644
--- a/TechTalk.md
+++ b/TechTalk.md
@@ -6,6 +6,5 @@
 查看[往期视频](TODO)。 
 
 | **Date**     | **Speaker**                                                                                    | **Previous Videos**|
-| ---------- | ------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
-| YYYY/MM/DD | [TODO](TODO for github link)       | Slide：[TODO for Tech Talk title](TODO for Tech Talk Slide Link)<br>Video：[TODO for Video Link](TODO for Video Link)   
-| 2021/11/03 | [Ivan GAO](https://github.com/IvanGao01)<br>[Gilbert LIANG](https://github.com/Gilbert-Liang)| Slide：[TODO for Tech Talk title](TODO for Tech Talk Slide Link)<br>Video：[An Introduction to TSDB / 浅谈时序数据库](https://youtu.be/CUIF7T1GYfE)
+| ---------- | ------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | 
+| 2021/11/03 | [Ivan GAO](https://github.com/IvanGao01)<br>[Gilbert LIANG](https://github.com/Gilbert-Liang)| Slide：[TODO for Tech Talk title](TODO for Tech Talk Slide Link)<br>Video：[Hands-on Practice / 习题讲解](https://youtu.be/pUjnuVkXDBQ)