echarts: __DEV__ is not defined

One-line summary [问题简述]

vue项目 webpack 引入 echarts 第一次进如没有问题 刷新就会报错500 显示__DEV__ not defined

Version & Environment [版本及环境]

• ECharts version [ECharts 版本]:3.0以上版本
• Browser version [浏览器类型和版本]:chrome Safari
• OS Version [操作系统类型和版本]: Mac 10

Expected behaviour [期望结果]

ECharts option [ECharts配置项]

option = {
color: colors,
                    tooltip: {
                        trigger: 'axis',
                        axisPointer: {
                            type: 'cross'
                        }
                    },
                    grid: {
                        right: '20%'
                    },
                    toolbox: {
                        feature: {
                            dataView: {show: false, readOnly: true},
                            saveAsImage: {show: true}
                        }
                    },
                    legend: {
                        data:['打印数量','扫码数量','扫码率']
                    },
                    xAxis: [
                        {
                            type: 'category',
                            axisTick: {
                                alignWithLabel: true
                            },
                            data: this.xAxisdata
                        }
                    ],
                    yAxis: [
                        {
                            type: 'value',
                            name: '数量',
                            position: 'right',
                            axisLine: {
                                lineStyle: {
                                    color: colors[0]
                                }
                            },
                            axisLabel: {
                                // formatter: '{value} ml'
                            }
                        },
                        {
                            type: 'value',
                            name: '扫码率',
                            min: 0,
                            max: 100,
                            position: 'left',
                            axisLine: {
                                lineStyle: {
                                    color: colors[2]
                                }
                            },
                            axisLabel: {
                                formatter: '{value} %'
                            }
                        }
                    ],
                    dataZoom: [
                        {
                            type: 'slider',
                            show: true,
                            start: 1,
                            end: 3
                        }
                    ],
                    series: [
                        {
                            name:'打印数量',
                            type:'bar',
                            data:this.printedata,
                        },
                        {
                            name:'扫码数量',
                            type:'bar',
                            data:this.scandata
                        },
                        {
                            name:'扫码率',
                            type:'line',
                            yAxisIndex: 1,
                            data:this.scanratedata
                        }

                    ]
}

Other comments [其他信息]