1. problem phenomenon
The web service prompt port is occupied.
2. operating instructions
In addition to the surface port, it may also be due to the 6625 port being occupied; you can try to change the 6625 port to another port and restart the web service

3. Remarks
You can remove some ports from the reserved port list using the command, such
netsh int ipv4 add excludedportrange protocol=tcp startport=1430 numberofports=1
https://www.cnblogs.com/fanqisoft/p/17071121.html