Hi,
I found the root cause of this issue. It's due to I'm using PPPoE for the network connection on my Macbook(pro, 2020, intel version).
If I change it to wifi, it never happens again.
The reason I choose to use wired connection is because my wifi signal is weak in my room.
Can you please give me some suggestion how to adjust my Mac setting for this issue when using PPPoE.
Thanks.