uni.chooseLocation地址列表空白问题

         changeRegion() {
				let that = this
				uni.getLocation({
					type: 'wgs84',
					success: function(res) {
						that.lat = res.latitude
						that.lng = res.longitude
					},

				});
				uni.chooseLocation({
					latitude: that.lat,
					longitude: that.lng,
					success: res => {
						console.log('位置名称：' + res.name);
						console.log('详细地址：' + res.address);
						console.log('纬度：' + res.latitude);
						console.log('经度：' + res.longitude);
					},
				});
			},