diff --git a/backend/src/main/java/io/dataease/service/chart/ChartViewService.java b/backend/src/main/java/io/dataease/service/chart/ChartViewService.java
index 70da2f8f21..1086995a1a 100644
--- a/backend/src/main/java/io/dataease/service/chart/ChartViewService.java
+++ b/backend/src/main/java/io/dataease/service/chart/ChartViewService.java
@@ -879,7 +879,7 @@ public class ChartViewService {
                 fieldsToFilter.addAll(xAxisBase);
             }
             ChartDrillRequest head = drillRequestList.get(0);
-            Map<String, String> dimValMap = head.getDimensionList().stream().collect(Collectors.toMap(ChartDimensionDTO::getId, ChartDimensionDTO::getValue));
+            Map<String, String> dimValMap = head.getDimensionList().stream().collect(Collectors.toMap(ChartDimensionDTO::getId, ChartDimensionDTO::getValue, ((p, n) -> p)));
             Map<String, ChartViewFieldDTO> fieldMap = Stream.of(xAxisBase, xAxisExt, extStack).
                     flatMap(Collection::stream).
                     collect(Collectors.toMap(ChartViewFieldDTO::getId, o -> o, ((p, n) -> p)));