Zoom meeting suddenly closes and turns on automatically twice. And all chat is back

Situation has occurred.
In the middle of the meeting, meeting A suddenly closes and turns on automatically twice.

Specific details.
- The phenomenon of the meeting closing and turning on is different from when the meeting ends, such as "leaving the meeting."
All the chat records that I left after the meeting were brought back.
- The host and participant are automatically reconnected without reconnecting.
- The laptop network that ran the meeting was through a router.