diff --git a/src/main/java/com/xdap/self_development/service/impl/EngineParamDetailServiceImpl.java b/src/main/java/com/xdap/self_development/service/impl/EngineParamDetailServiceImpl.java
index 1e0dae4..14097f4 100644
--- a/src/main/java/com/xdap/self_development/service/impl/EngineParamDetailServiceImpl.java
+++ b/src/main/java/com/xdap/self_development/service/impl/EngineParamDetailServiceImpl.java
@@ -565,7 +565,7 @@ public class EngineParamDetailServiceImpl implements EngineParamDetailService {
             todoTaskPojos.add(todoTaskPojo);
             InitiatedTaskPojo initiatedTaskPojo = new InitiatedTaskPojo();
             BeanUtils.copyProperties(todoTaskPojo, initiatedTaskPojo);
-            initiatedTaskPojo.setLastUpdatedBy(JSON.toJSONString(Arrays.asList(filledBy)));
+            initiatedTaskPojo.setLastUpdatedBy(filledBy);
             taskPojos.add(initiatedTaskPojo);
         }
         batchInsertTodoTask(todoTaskPojos);
diff --git a/src/main/java/com/xdap/self_development/service/impl/TodoTaskServiceImpl.java b/src/main/java/com/xdap/self_development/service/impl/TodoTaskServiceImpl.java
index 4724a5e..c8c731b 100644
--- a/src/main/java/com/xdap/self_development/service/impl/TodoTaskServiceImpl.java
+++ b/src/main/java/com/xdap/self_development/service/impl/TodoTaskServiceImpl.java
@@ -243,7 +243,7 @@ public class TodoTaskServiceImpl implements TodoTaskService {
             todoTaskPojos.add(todoTaskPojo);
             InitiatedTaskPojo initiatedTaskPojo = new InitiatedTaskPojo();
             BeanUtils.copyProperties(todoTaskPojo, initiatedTaskPojo);
-            initiatedTaskPojo.setLastUpdatedBy(JSON.toJSONString(Arrays.asList(engineParamDetailDTO.getResPersonId())));
+            initiatedTaskPojo.setLastUpdatedBy(engineParamDetailDTO.getResPersonId());
             taskPojos.add(initiatedTaskPojo);
         }
         batchInsertTodoTask(todoTaskPojos);