diff --git a/src/main/java/com/project/information/domain/service/impl/UpdateProductLineDomainServiceImpl.java b/src/main/java/com/project/information/domain/service/impl/UpdateProductLineDomainServiceImpl.java
index ff4248e..f8e23ec 100644
--- a/src/main/java/com/project/information/domain/service/impl/UpdateProductLineDomainServiceImpl.java
+++ b/src/main/java/com/project/information/domain/service/impl/UpdateProductLineDomainServiceImpl.java
@@ -48,6 +48,9 @@ public class UpdateProductLineDomainServiceImpl implements UpdateProductLineDoma
     @Override
     public Result<String> delete(Long id) throws Exception {
         productLineBaseService.removeById(id);
+        LambdaQueryWrapper<ProductLineEntity> queryWrapper = new LambdaQueryWrapper<>();
+        queryWrapper.eq(ProductLineEntity::getParentId , id);
+        productLineBaseService.remove(queryWrapper);
         return Result.success("删除成功");
     }
 }