> chat-admin-web@1.0.0 start:demo
> vite --mode development

error when starting dev server:
Error: Port 3100 is already in use
    at Server.onError$1 (file:///Users/misasagi/Git/jkec-xiaozhi-v2/jk-rag-platform/node_modules/vite/dist/node/chunks/config.js:14933:28)
    at Server.emit (node:events:524:28)
    at emitErrorNT (node:net:1944:8)
    at process.processTicksAndRejections (node:internal/process/task_queues:82:21)