diff --git a/src/main/java/com/project/task/domain/service/impl/SaveOrUpdateTaskDomainServiceImpl.java b/src/main/java/com/project/task/domain/service/impl/SaveOrUpdateTaskDomainServiceImpl.java
index 3b96cbd..4290714 100644
--- a/src/main/java/com/project/task/domain/service/impl/SaveOrUpdateTaskDomainServiceImpl.java
+++ b/src/main/java/com/project/task/domain/service/impl/SaveOrUpdateTaskDomainServiceImpl.java
@@ -84,6 +84,7 @@ public class SaveOrUpdateTaskDomainServiceImpl implements SaveOrUpdateTaskDomain
         dto.setSubLineName(subProductLine.getName());
         dto.setLineId(subProductLine.getParentId());
         dto.setLineName(subProductLine.getParentName());
+        dto.setBusinessId(subProductLine.getBusinessId());
         // 保存
         TaskEntity saveEntity = dto.toEntity(TaskEntity::new);
         saveEntity.setParticipantNum(dto.getParticipantUserIdList().size());