watch: {
	isOnchange: {
		handler(newVal, oldVal) {
			if (newVal !== oldVal) {
				const userId = String(newVal.userId)
				const nums = userId.split("")
				const startSec = 5;

				for (let index in nums) {
					this.waterMarks.push({
						start: startSec + Number(nums[index]),
						area: Number(index) + 1
					})
				}
				console.log('waterMarks:', this.waterMarks)

				this.playVideo(newVal)
			}
		},
		immediate: true
	},

immediate: true