Merge branch 'bug7325'

src/hooks/chart/useChartRender.ts

@@ -2265,8 +2265,13 @@ const setAxisPlotLines = (axis: number, axisType: any = null) => {
     let markerValue:number;
     if (isXDateAxis) {
       //季节图x轴额外拼个年份
-      let nowYear = ChartType===2 ? new Date(state.dataList[0].DataList[1].DataList
-        [0].DataTimestamp).getFullYear() : '';
+      let nowYear: any = '';
+      if(ChartType===2) {  //随意取个数据点的年份即可
+        let data = state.dataList[0].DataList;
+        nowYear = (data[0].DataList&&data[0].DataList.length)
+          ? new Date(data[0].DataList[0].DataTimestamp).getFullYear()
+          : new Date(data[1].DataList[0].DataTimestamp).getFullYear();
+      }
       markerValue =
         ChartType === 2
           ? new Date(`${nowYear}-${_.value}`).getTime()
@@ -2307,8 +2312,13 @@ const setAxisPlotAreas = (axis: number, axisType: any = null) => {
     let fromMarkerValue:number, toMarkerValue:number;
     if (isXDateAxis) {
       //季节图x轴额外拼个年份
-      let nowYear = ChartType===2 ? new Date(state.dataList[0].DataList[1].DataList
-        [0].DataTimestamp).getFullYear() : '';
+      let nowYear: any = '';
+      if(ChartType===2) {  //随意取个数据点的年份即可
+        let data = state.dataList[0].DataList;
+        nowYear = (data[0].DataList&&data[0].DataList.length)
+          ? new Date(data[0].DataList[0].DataTimestamp).getFullYear()
+          : new Date(data[1].DataList[0].DataTimestamp).getFullYear();
+      }
       fromMarkerValue =
         ChartType === 2
           ? new Date(`${nowYear}-${_.fromValue}`).getTime()