diff --git a/core/backend/src/main/java/io/dataease/service/chart/ChartViewService.java b/core/backend/src/main/java/io/dataease/service/chart/ChartViewService.java
index 165a674a7a..8a39cfcf15 100644
--- a/core/backend/src/main/java/io/dataease/service/chart/ChartViewService.java
+++ b/core/backend/src/main/java/io/dataease/service/chart/ChartViewService.java
@@ -1515,7 +1515,11 @@ public class ChartViewService {
                             preDataItems.forEach(preDataItem -> {
                                 String[] groupStackAxisArr = Arrays.copyOfRange(preDataItem, finalXAxisBase.size(), finalSubEndIndex);
                                 String groupStackAxis = StringUtils.join(groupStackAxisArr, '-');
-                                preDataMap.put(groupStackAxis, new BigDecimal(preDataItem[finalDataIndex]));
+                                String preVal = preDataItem[finalDataIndex];
+                                if (StringUtils.isBlank(preVal)) {
+                                    preVal = "0";
+                                }
+                                preDataMap.put(groupStackAxis, new BigDecimal(preVal));
                             });
                             curDataItems.forEach(curDataItem -> {
                                 String[] groupStackAxisArr = Arrays.copyOfRange(curDataItem, finalXAxisBase.size(), finalSubEndIndex);
@@ -1532,10 +1536,14 @@ public class ChartViewService {
                         final int index = dataIndex;
                         final AtomicReference<BigDecimal> accumValue = new AtomicReference<>(new BigDecimal(0));
                         data.forEach(item -> {
-                            BigDecimal curVal = new BigDecimal(item[index]);
-                            BigDecimal curAccumValue = accumValue.get().add(curVal);
+                            String val = item[index];
+                            BigDecimal curAccumValue = accumValue.get();
+                            if (!StringUtils.isBlank(val)) {
+                                BigDecimal curVal = new BigDecimal(val);
+                                curAccumValue = curAccumValue.add(curVal);
+                                accumValue.set(curAccumValue);
+                            }
                             item[index] = curAccumValue.toString();
-                            accumValue.set(curAccumValue);
                         });
                     }
                 }