reservation-uniapp-250509/service-uniapp-technician/static/work.js

// worker.js  
this.onmessage = function(e) {
	setInterval(() => {
		let { startTime , endTime } = e.data
		if(Date.now() >= endTime){
			this.postMessage('倒计时结束')
		}
	},1000)
};