工作320:uni-预加载问题

<u-loadmore :status="status" />

	onReachBottom() {
				console.log('触底~~~~')
				 if (this.pageNo >= this.pages){
					this.status = 'nomore';
					return;
				} 
				this.status = 'loading';
				this.pageNo = ++this.pageNo;
				setTimeout(() => {
				this.getData()
					if (this.pageNo >= this.pages) {
						this.status = 'nomore';
					} else {
						this.status = 'loading';
					}
				}, 2000)
			}