diff --git a/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/listeners/FlowProcessEventListener.java b/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/listeners/FlowProcessEventListener.java
index d3a91fbc5..84ae9760c 100644
--- a/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/listeners/FlowProcessEventListener.java
+++ b/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/listeners/FlowProcessEventListener.java
@@ -184,7 +184,7 @@ public class FlowProcessEventListener implements FlowableEventListener {
 			processNodeRecordAssignUserParamDto
 				.setLocalData(objectMapper.writeValueAsString(taskService.getVariablesLocal(task.getId())));
 			processNodeRecordAssignUserParamDto.setNodeId(taskDefinitionKey);
-			processNodeRecordAssignUserParamDto.setUserId(Long.parseLong(assignee));
+			processNodeRecordAssignUserParamDto.setUserId(Long.parseLong(task.getAssignee()));
 			processNodeRecordAssignUserParamDto.setTaskId(task.getId());
 			processNodeRecordAssignUserParamDto.setNodeName(task.getName());
 			processNodeRecordAssignUserParamDto.setTaskType("COMPLETE");
@@ -219,7 +219,7 @@ public class FlowProcessEventListener implements FlowableEventListener {
 			processNodeRecordAssignUserParamDto.setProcessInstanceId(processInstanceId);
 			// processNodeRecordAssignUserParamDto.setData();
 			processNodeRecordAssignUserParamDto.setNodeId(taskDefinitionKey);
-			processNodeRecordAssignUserParamDto.setUserId(Long.parseLong(assignee));
+			processNodeRecordAssignUserParamDto.setUserId(Long.parseLong(task.getAssignee()));
 			processNodeRecordAssignUserParamDto.setTaskId(task.getId());
 			processNodeRecordAssignUserParamDto.setNodeName(task.getName());
 			processNodeRecordAssignUserParamDto
diff --git a/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/node/MultiInstanceHandler.java b/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/node/MultiInstanceHandler.java
index 49d90ee9e..7b864c614 100644
--- a/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/node/MultiInstanceHandler.java
+++ b/pigx-flow/pigx-flow-engine/pigx-flow-engine-biz/src/main/java/com/pig4cloud/pigx/flow/engine/node/MultiInstanceHandler.java
@@ -20,7 +20,6 @@ import java.math.BigDecimal;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
-import java.util.Optional;
 
 @Slf4j
 @RequiredArgsConstructor
@@ -79,12 +78,10 @@ public class MultiInstanceHandler {
 			}
 		}
 
-		Optional.of(assignList).orElseGet(() -> {
-			List<Long> defaultList = new ArrayList<>();
-			defaultList.add(ProcessInstanceConstant.DEFAULT_EMPTY_ASSIGN);
-			return defaultList;
-		});
-
+		// 标记为空
+		if (CollUtil.isEmpty(assignList)) {
+			assignList.add(ProcessInstanceConstant.DEFAULT_EMPTY_ASSIGN);
+		}
 		return assignList;
 	}
 
diff --git a/pigx-flow/pigx-flow-task/pigx-flow-task-biz/src/main/java/com/pig4cloud/pigx/flow/task/utils/NodeFormatUtil.java b/pigx-flow/pigx-flow-task/pigx-flow-task-biz/src/main/java/com/pig4cloud/pigx/flow/task/utils/NodeFormatUtil.java
index 1b6375e28..ce7a8866b 100644
--- a/pigx-flow/pigx-flow-task/pigx-flow-task-biz/src/main/java/com/pig4cloud/pigx/flow/task/utils/NodeFormatUtil.java
+++ b/pigx-flow/pigx-flow-task/pigx-flow-task-biz/src/main/java/com/pig4cloud/pigx/flow/task/utils/NodeFormatUtil.java
@@ -252,6 +252,10 @@ public class NodeFormatUtil {
 	 * @return
 	 */
 	private static UserVo buildUser(long userId) {
+		if (ProcessInstanceConstant.DEFAULT_EMPTY_ASSIGN == userId){
+			return UserVo.builder().id(userId).build();
+		}
+
 		RemoteUserService userService = SpringUtil.getBean(RemoteUserService.class);
 		SysUser user = userService.getUserById(userId).getData();
 		if (user == null) {