diff --git a/backend/src/main/java/io/dataease/service/chart/ChartGroupService.java b/backend/src/main/java/io/dataease/service/chart/ChartGroupService.java
index 9f5150a431..bdc787d6b2 100644
--- a/backend/src/main/java/io/dataease/service/chart/ChartGroupService.java
+++ b/backend/src/main/java/io/dataease/service/chart/ChartGroupService.java
@@ -1,9 +1,6 @@
 package io.dataease.service.chart;
 
-import io.dataease.base.domain.ChartGroup;
-import io.dataease.base.domain.ChartGroupExample;
-import io.dataease.base.domain.DatasetGroup;
-import io.dataease.base.domain.DatasetTable;
+import io.dataease.base.domain.*;
 import io.dataease.base.mapper.ChartGroupMapper;
 import io.dataease.commons.utils.BeanUtils;
 import io.dataease.controller.request.chart.ChartGroupRequest;
@@ -28,6 +25,7 @@ public class ChartGroupService {
     private ChartViewService chartViewService;
 
     public ChartGroupDTO save(ChartGroup chartGroup) {
+        checkName(chartGroup);
         if (StringUtils.isEmpty(chartGroup.getId())) {
             chartGroup.setId(UUID.randomUUID().toString());
             chartGroup.setCreateTime(System.currentTimeMillis());
@@ -125,4 +123,25 @@ public class ChartGroupService {
         }
         return ids;
     }
+
+    private void checkName(ChartGroup chartGroup) {
+        ChartGroupExample chartGroupExample = new ChartGroupExample();
+        ChartGroupExample.Criteria criteria = chartGroupExample.createCriteria();
+        if (StringUtils.isNotEmpty(chartGroup.getPid())) {
+            criteria.andPidEqualTo(chartGroup.getPid());
+        }
+        if (StringUtils.isNotEmpty(chartGroup.getType())) {
+            criteria.andTypeEqualTo(chartGroup.getType());
+        }
+        if (StringUtils.isNotEmpty(chartGroup.getName())) {
+            criteria.andNameEqualTo(chartGroup.getName());
+        }
+        if (StringUtils.isNotEmpty(chartGroup.getId())) {
+            criteria.andIdNotEqualTo(chartGroup.getId());
+        }
+        List<ChartGroup> list = chartGroupMapper.selectByExample(chartGroupExample);
+        if (list.size() > 0) {
+            throw new RuntimeException("Name can't repeat in same group.");
+        }
+    }
 }
diff --git a/backend/src/main/java/io/dataease/service/dataset/DataSetGroupService.java b/backend/src/main/java/io/dataease/service/dataset/DataSetGroupService.java
index 2abaef77d6..7a68bd83ff 100644
--- a/backend/src/main/java/io/dataease/service/dataset/DataSetGroupService.java
+++ b/backend/src/main/java/io/dataease/service/dataset/DataSetGroupService.java
@@ -30,6 +30,7 @@ public class DataSetGroupService {
     private DataSetTableService dataSetTableService;
 
     public DataSetGroupDTO save(DatasetGroup datasetGroup) {
+        checkName(datasetGroup);
         if (StringUtils.isEmpty(datasetGroup.getId())) {
             datasetGroup.setId(UUID.randomUUID().toString());
             datasetGroup.setCreateTime(System.currentTimeMillis());
@@ -132,4 +133,25 @@ public class DataSetGroupService {
         }
         return ids;
     }
+
+    private void checkName(DatasetGroup datasetGroup) {
+        DatasetGroupExample datasetGroupExample = new DatasetGroupExample();
+        DatasetGroupExample.Criteria criteria = datasetGroupExample.createCriteria();
+        if (StringUtils.isNotEmpty(datasetGroup.getPid())) {
+            criteria.andPidEqualTo(datasetGroup.getPid());
+        }
+        if (StringUtils.isNotEmpty(datasetGroup.getType())) {
+            criteria.andTypeEqualTo(datasetGroup.getType());
+        }
+        if (StringUtils.isNotEmpty(datasetGroup.getName())) {
+            criteria.andNameEqualTo(datasetGroup.getName());
+        }
+        if (StringUtils.isNotEmpty(datasetGroup.getId())) {
+            criteria.andIdNotEqualTo(datasetGroup.getId());
+        }
+        List<DatasetGroup> list = datasetGroupMapper.selectByExample(datasetGroupExample);
+        if (list.size() > 0) {
+            throw new RuntimeException("Name can't repeat in same group.");
+        }
+    }
 }
diff --git a/backend/src/main/java/io/dataease/service/spark/SparkCalc.java b/backend/src/main/java/io/dataease/service/spark/SparkCalc.java
index ef905453ab..dea6b5aa63 100644
--- a/backend/src/main/java/io/dataease/service/spark/SparkCalc.java
+++ b/backend/src/main/java/io/dataease/service/spark/SparkCalc.java
@@ -16,7 +16,6 @@ import org.apache.spark.api.java.JavaPairRDD;
 import org.apache.spark.api.java.JavaRDD;
 import org.apache.spark.api.java.JavaSparkContext;
 import org.apache.spark.api.java.function.FlatMapFunction;
-import org.apache.spark.api.java.function.Function;
 import org.apache.spark.sql.Dataset;
 import org.apache.spark.sql.Row;
 import org.apache.spark.sql.RowFactory;