diff --git a/blade-service/logpm-basicdata/src/main/java/com/logpm/basicdata/excel/BasicdataFactoryCategoryImporter.java b/blade-service/logpm-basicdata/src/main/java/com/logpm/basicdata/excel/BasicdataFactoryCategoryImporter.java
index 9e5f4bfa1..55d2701da 100644
--- a/blade-service/logpm-basicdata/src/main/java/com/logpm/basicdata/excel/BasicdataFactoryCategoryImporter.java
+++ b/blade-service/logpm-basicdata/src/main/java/com/logpm/basicdata/excel/BasicdataFactoryCategoryImporter.java
@@ -107,32 +107,31 @@ public class BasicdataFactoryCategoryImporter implements ExcelImporter<Basicdata
 					String mainName = datum.getMainName();
 					String mainCategory1 = datum.getMainCategory();
 					List<BasicdataMainCategoryEntity> mainCategoryEntityList = groupedByFactoryCategoryId.get(factoryCategoryId);
-					//把mainCategoryEntityList转成以mainName为Key的Map
-					Map<String, BasicdataMainCategoryEntity> mainCategoryEntityMap = mainCategoryEntityList.stream()
-						.collect(Collectors.toMap(BasicdataMainCategoryEntity::getMainName, entity -> entity));
-
-					BasicdataMainCategoryEntity mainCategory = mainCategoryEntityMap.get(mainName);
-					if (Objects.isNull(mainCategory)){
-						mainCategory = new BasicdataMainCategoryEntity();
-						mainCategory.setFactoryCategoryId(factoryCategoryId);
-					}
-
-					mainCategory.setMainName(mainName);
-					BasicdataMainEntity basicdataMainEntity = mainMap.get(mainName);
-					if(!Objects.isNull(basicdataMainEntity)){
-						mainCategory.setMainId(basicdataMainEntity.getId());
-					}
-					BasicdataCategoryEntity basicdataCategoryEntity = categoryMap.get(mainCategory1);
-					if(!Objects.isNull(basicdataCategoryEntity)){
-						mainCategory.setCategoryId(basicdataCategoryEntity.getId());
-					}
-					mainCategory.setCategory(mainCategory1);
-
-
-					newMainCategoryEntities.add(mainCategory);
+					if(CollUtil.isNotEmpty(mainCategoryEntityList)){
+						//把mainCategoryEntityList转成以mainName为Key的Map
+						Map<String, BasicdataMainCategoryEntity> mainCategoryEntityMap = mainCategoryEntityList.stream()
+							.collect(Collectors.toMap(BasicdataMainCategoryEntity::getMainName, entity -> entity));
+
+						BasicdataMainCategoryEntity mainCategory = mainCategoryEntityMap.get(mainName);
+						if (Objects.isNull(mainCategory)){
+							mainCategory = new BasicdataMainCategoryEntity();
+							mainCategory.setFactoryCategoryId(factoryCategoryId);
+						}
 
+						mainCategory.setMainName(mainName);
+						BasicdataMainEntity basicdataMainEntity = mainMap.get(mainName);
+						if(!Objects.isNull(basicdataMainEntity)){
+							mainCategory.setMainId(basicdataMainEntity.getId());
+						}
+						BasicdataCategoryEntity basicdataCategoryEntity = categoryMap.get(mainCategory1);
+						if(!Objects.isNull(basicdataCategoryEntity)){
+							mainCategory.setCategoryId(basicdataCategoryEntity.getId());
+						}
+						mainCategory.setCategory(mainCategory1);
 
 
+						newMainCategoryEntities.add(mainCategory);
+					}
 
 				}