diff --git a/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/task/AttachmentDTO.java b/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/task/AttachmentDTO.java
index e0995aed8..5b74053d3 100644
--- a/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/task/AttachmentDTO.java
+++ b/workflow-engine-common/src/main/java/cn/axzo/workflow/common/model/request/bpmn/task/AttachmentDTO.java
@@ -52,9 +52,11 @@ public class AttachmentDTO implements Serializable {
 
     /**
      * 文件描述
+     * 该数据无实际作用
      */
     @ApiModelProperty(value = "文件描述")
     @IndexField(exist = false)
+    @Deprecated
     private String description;
 
     /**
diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomTransferUserTaskCmd.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomTransferUserTaskCmd.java
index 6d370a2be..96f002ecf 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomTransferUserTaskCmd.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/CustomTransferUserTaskCmd.java
@@ -29,6 +29,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 
+import static cn.axzo.workflow.common.code.BpmnTaskRespCode.TASK_HAS_BEEN_COMPLETE;
 import static cn.axzo.workflow.common.code.BpmnTaskRespCode.TRANSFER_TO_SELF;
 import static cn.axzo.workflow.common.code.OtherRespCode.ASSIGNEE_NODE_ID_NOT_EXISTS;
 import static cn.axzo.workflow.common.constant.BpmnConstants.COMMENT_TYPE_ADVICE;
@@ -100,6 +101,9 @@ public class CustomTransferUserTaskCmd extends AbstractCommand<Void> implements
 
         TaskService taskService = processEngineConfiguration.getTaskService();
         TaskEntity task = (TaskEntity) taskService.createTaskQuery().taskId(originTaskId).singleResult();
+        if (Objects.isNull(task)) {
+            throw new WorkflowEngineException(TASK_HAS_BEEN_COMPLETE);
+        }
 
         validTargetAssigneeNodeId(task.getProcessDefinitionId());
 
diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/helper/CustomTaskHelper.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/helper/CustomTaskHelper.java
index b202b9ccb..b492b8c5b 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/helper/CustomTaskHelper.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/engine/cmd/helper/CustomTaskHelper.java
@@ -267,7 +267,7 @@ public class CustomTaskHelper {
         Authentication.setAuthenticatedUserId(assigner.buildAssigneeId());
         attachmentList.forEach(dto -> {
             Attachment attachment = taskService.createAttachment(dto.getType().getType(), task.getId(), processInstanceId,
-                    dto.getName(), dto.getDescription(), dto.getUrl());
+                    dto.getName(), dto.getFileKey(), dto.getUrl());
             taskService.saveAttachment(attachment);
         });
         task.setTransientVariableLocal(TASK_ATTACHMENTS_VAR_NAME, attachmentList);
diff --git a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/impl/BpmnProcessInstanceServiceImpl.java b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/impl/BpmnProcessInstanceServiceImpl.java
index f9e153dc0..eb18cd9c5 100644
--- a/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/impl/BpmnProcessInstanceServiceImpl.java
+++ b/workflow-engine-core/src/main/java/cn/axzo/workflow/core/service/impl/BpmnProcessInstanceServiceImpl.java
@@ -1821,7 +1821,8 @@ public class BpmnProcessInstanceServiceImpl implements BpmnProcessInstanceServic
                         .id(e.getId())
                         .type(type)
                         .name(e.getName())
-                        .description(e.getDescription())
+//                        .description(e.getDescription())
+                        .fileKey(e.getDescription())
                         .url(e.getUrl())
                         .build())
                 .collect(Collectors.toList());