markArea的itemStyle.normal.color设置不生效echarts 配置项内容和展示

markArea的颜色,itemStyle.normal.color设置不生效,全部是按照series.itemStyle.normal.color设置的。

配置项如下
      option = {
    "xAxis": {
        "type": "category",
        "boundaryGap": ["50%", "30%"],
        "axisLabel": {
            "show": true,
            "textStyle": {
                "color": "rgba(0,0,0,0.4)",
                "fontSize": 12,
                "align": "center"
            }
        },
        "axisLine": {
            "show": false
        },
        "splitLine": {
            "show": false
        },
        "axisTick": {
            "show": false
        },
        "data": ["20180401", "20180402", "20180403", "20180404", "20180409", "20180410", "20180411", "20180412", "20180413", "20180416", "20180417", "20180418", "20180419", "20180420", "20180423", "20180424", "20180425", "20180426", "20180427", "20180502", "20180503", "20180504", "20180507", "20180508", "20180509", "20180510", "20180511", "20180514", "20180515", "20180516", "20180517", "20180518", "20180521", "20180522", "20180523", "20180524", "20180525", "20180528", "20180529", "20180530", "20180531", "20180601", "20180604", "20180605", "20180606", "20180607", "20180608", "20180611", "20180612", "20180613", "20180614", "20180615", "20180619", "20180620", "20180621", "20180622", "20180625", "20180626", "20180627", "20180628", "20180629", "20180702", "20180703", "20180704", "20180705", "20180706", "20180709", "20180710"]
    },
    "yAxis": {
        "time": "value",
        "position": "left",
        "axisLabel": {
            "show": true,
            "textStyle": {
                "color": "rgba(0,0,0,0.4)"
            },
            "align": "left"
        },
        "axisLine": {
            "show": false
        },
        "axisTick": {
            "show": false
        },
        "splitLine": {
            "show": true,
            "lineStyle": {
                "color": "#E5E5E5"
            }
        }
    },
    "grid": {
        "left": "5%",
        "right": "5%",
        "top": "12%",
        "bottom": "25%"
    },
    "series": [{
        "name": "我的",
        "type": "line",
        "symbol": "circle",
        "showSymbol": false,
        "itemStyle": {
            "normal": {
                "color": "#FA8919",
                "width": 0.5
            }
        },
        "markArea": {
            "silent": false,
            "data": [
                [{
                    "xAxis": "20180401",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180410"
                }],
                [{
                    "xAxis": "20180410",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180412"
                }],
                [{
                    "xAxis": "20180412",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180418"
                }],
                [{
                    "xAxis": "20180418",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180420"
                }],
                [{
                    "xAxis": "20180420",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180423"
                }],
                [{
                    "xAxis": "20180423",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180425"
                }],
                [{
                    "xAxis": "20180425",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180427"
                }],
                [{
                    "xAxis": "20180427",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180504"
                }],
                [{
                    "xAxis": "20180504",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180507"
                }],
                [{
                    "xAxis": "20180507",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180511"
                }],
                [{
                    "xAxis": "20180511",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180514"
                }],
                [{
                    "xAxis": "20180514",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180516"
                }],
                [{
                    "xAxis": "20180516",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180518"
                }],
                [{
                    "xAxis": "20180518",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180522"
                }],
                [{
                    "xAxis": "20180522",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180528"
                }],
                [{
                    "xAxis": "20180528",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180529"
                }],
                [{
                    "xAxis": "20180529",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180531"
                }],
                [{
                    "xAxis": "20180531",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180601"
                }],
                [{
                    "xAxis": "20180601",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180604"
                }],
                [{
                    "xAxis": "20180604",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180606"
                }],
                [{
                    "xAxis": "20180606",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180611"
                }],
                [{
                    "xAxis": "20180611",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180613"
                }],
                [{
                    "xAxis": "20180613",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180620"
                }],
                [{
                    "xAxis": "20180620",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180621"
                }],
                [{
                    "xAxis": "20180621",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180622"
                }],
                [{
                    "xAxis": "20180622",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180625"
                }],
                [{
                    "xAxis": "20180625",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180629"
                }],
                [{
                    "xAxis": "20180629",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(250,137,25,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180702"
                }],
                [{
                    "xAxis": "20180702",
                    "itemStyle": {
                        "normal": {
                            "color": "rgba(48,129,234,0.20)"
                        }
                    }
                }, {
                    "xAxis": "20180706"
                }]
            ]
        },
        "data": ["", "0.4358", "0.4347", "0.4322", "0.4306", "0.447", "0.4509", "0.4486", "0.4431", "0.9309", "0.9304", "0.9308", "0.9305", "0.9288", "0.2819", "0.2851", "0.2853", "0.1666", "0.1677", "0.1691", "0.2909", "0.2892", "0.9544", "0.9543", "0.9543", "0.9542", "0.954", "0.9544", "0.9544", "0.9539", "0.9457", "0.9453", "0.9458", "0.9456", "0.953", "0.9527", "0.9526", "0.9523", "0.952", "0.9503", "0.9505", "0.9503", "0.9501", "0.9504", "0.9507", "0.9506", "0.9489", "0.9487", "0.949", "0.4519", "0.4536", "0.8968", "0.8883", "0.8898", "0.8866", "0.888", "0.8876", "0.8887", "0.888", "0.8885", "0.8905", "0.8882", "0.8895", "0.8887", "0.8868", "0.888", "0.89", "0.8896"]
    }]
}
    
截图如下