TLS problem(mybe) with domain in /etc/hosts with traefik

[lostsquirrel]

I use a domain only in /etc/hosts,
get the tls cert by traefik on letencrypt, it's work fine on browser or curl, but not work on restclient
vscode 1.88
restclient 0.25.1
ubuntu 22.04

Error - 5:11:17 PM] Failed to send request:
RequestError: Client network socket disconnected before secure TLS connection was established
	at ClientRequest.<anonymous> (/home/lisong/.vscode/extensions/humao.rest-client-0.25.1/dist/extension.js:252:3306)
	at Object.onceWrapper (node:events:632:26)
	at ClientRequest.emit (node:events:529:35)
	at e.emit (/home/lisong/.vscode/extensions/humao.rest-client-0.25.1/dist/extension.js:558:29932)
	at TLSSocket.socketErrorListener (node:_http_client:501:9)
	at TLSSocket.emit (node:events:517:28)
	at emitErrorNT (node:internal/streams/destroy:151:8)
	at emitErrorCloseNT (node:internal/streams/destroy:116:3)
	at process.processTicksAndRejections (node:internal/process/task_queues:82:21)