The mobile phone cannot access localhost on the PC side.

  node.js, question

Node server, computer localhost:8000 access normal, Mobile computer in the same wifi environment.
Local ip: 192.168.1.66, I cannot access it by entering 192.168.1.66:8000 in Mobile client …

I can’t access the applications on my computer with other people’s mobile phones, but I can access the applications on other people’s pc with my mobile phones. Comprehensive judgment is the problem of my computer. But I don’t know what the problem is, catch it, wait online!

Is Firewall allowed?