柱状图图例说明调整

bi-server/src/main/java/com/usoftchina/bi/server/service/chart/ShowHistogramService.java

@@ -132,7 +132,7 @@ public class ShowHistogramService {
                 xAxisData = histogramList.stream().map(HistogramData::getName).collect(Collectors.toList());
                 chartsDataInfo.setxAxis(xAxisData);
                 value = histogramList.stream().map(HistogramData::getValue).collect(Collectors.toList());
-                Series series = new Series(xColumn, value, null);
+                Series series = new Series(histogramConfigInfo.getxAxis().getColumnRename(), value, null);
                 serieses.add(series);
             }else {
                 fieldName = fieldName + ", nvl(" + groupBy.get(0) + ",'空') as groupName ";