version3.4.0 change series label color not work

[xiyuyizhi]

One-line summary [问题简述]

when i use the version of 3.4.0, i appoint the series label property to change the label color,it not work,i update the versions ,it ok.

Version & Environment [版本及环境]

• ECharts version [ECharts 版本]:v3.4.0
• Browser version [浏览器类型和版本]:
• OS Version [操作系统类型和版本]:

Expected behaviour [期望结果]

ECharts option [ECharts配置项]

option = {
    "toolbox": {
        "show": true,
        "top": "12%",
        "right": "5%"
    },
    "tooltip": {
        "trigger": "item",
        "confine": true
    },
    "legend": {
        "right": "center",
        "width": "90%",
        "itemWidth": 10,
        "data": [{
            "name": "推送比"
        }, {
            "name": "推送量"
        }],
        "align": "left",
        "selectedMode": false
    },
    "grid": {
        "bottom": "5%",
        "top": "20%",
        "containLabel": true
    },
    "xAxis": [{
        "type": "category",
        "data": ["Loreal"],
        "axisLabel": {
            "textStyle": {
                "color": "#424648"
            }
        },
        "axisLine": {
            "lineStyle": {
                "color": "#B1B1B1"
            }
        }
    }],
    "yAxis": [{
        "type": "value",
        "axisLine": {
            "lineStyle": {
                "color": "#B1B1B1"
            }
        },
        "axisLabel": {
            "textStyle": {
                "color": "#424648"
            },
            "formatter": "{value}"
        }
    }],
    "series": [{
        "name": "推送比",
        "type": "bar",
        "data": [1.6],
        "yAxisIndex": 0,
        "barGap": "30%",
        "markLine": {
            "symbol": ["image://data:image/png;base64,", "image://data:image/png;base64,"],
            "data": []
        },
        "label": {
            "normal": {
                "show": true,
                "color": "#666",
                "position": "top"
            }
        }
    }, {
        "name": "推送量",
        "type": "bar",
        "data": [1905910842],
        "yAxisIndex": 0,
        "barGap": "30%",
        "markLine": {
            "symbol": ["image://data:image/png;base64,", "image://data:image/png;base64,"],
            "data": []
        },
        "label": {
            "normal": {
                "show": true,
                "color": "#666",
                "position": "top"
            }
        }
    }],
    "color": ["#8CB700", "#F3D485"]
}

Other comments [其他信息]

[Ovilia]

It works on the latest version. So can you upgrade your version?

[SuperAL]

FYI, When I use echarts@3.4.0, all the textStyle colors are not working, it's all black. Then I install echarts@3.7.0, and it's normal again.