npm安装echarts 3.4.4 地图配置出现bug

[dragonHu]

One-line summary [问题简述]

npm安装echarts 3.4.4 地图配置出现bug

Version & Environment [版本及环境]

• ECharts version [ECharts 版本]:3.4.4
• Browser version [浏览器类型和版本]:chrome 56.0.2924.87
• OS Version [操作系统类型和版本]:windows 7

Expected behaviour [期望结果]

series[0].itemStyle.normal.areaColor 颜色生效
升级到最新的echarts 3.4.4以后 .areaColor都为白色

ECharts option [ECharts配置项]

option = {
	"tooltip": {
		"trigger": "item",
		"formatter":function(params,ticket,cb){ //自定义显示框
        	params.value=params.value||0;
        	var contentHTML=params.name+" - "+params.value;
        	return contentHTML;
        }
	},
	"visualMap": {
		"min": 0,
		"max": 96.89,
		"left": 20,
		"align": "bottom",
		"type": "piecewise",
		"bottom": 25,
		"text": ["覆盖率(高-低)"],
		"calculable": true,
		"inverse": true,
		"orient": "horizontal",
		"inRange": {
			"color": ["#d1eaff", "#1a96f0"]
		},
        formatter: function (value) {
		    return  parseInt(value)||0; // 范围标签显示内容。
		}
	},
	"series": [{
		"name": "中国",
		"type": "map",
		"mapType": "china",
		"selectedMode": "multiple",
		"itemStyle": {
			"normal": {
				"areaColor": "#d1eaff",
				"borderColor": "#fff"
			},
			"emphasis": {
				"areaColor": "#f1f5f8"
			}
		},
		"data": [{
			"name": "浙江",
			"value": "96.89"
		}, {
			"name": "unknown",
			"value": "2.67"
		}, {
			"name": "其它",
			"value": "0.44"
		}]
	}]
}

Other comments [其他信息]