diff --git a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/bpmn/BpmnProcessInstanceController.java b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/bpmn/BpmnProcessInstanceController.java
index 2258a34a6..bfda81458 100644
--- a/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/bpmn/BpmnProcessInstanceController.java
+++ b/workflow-engine-server/src/main/java/cn/axzo/workflow/server/controller/web/bpmn/BpmnProcessInstanceController.java
@@ -43,6 +43,7 @@ import io.swagger.v3.oas.annotations.Operation;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections4.ListUtils;
 import org.flowable.engine.history.HistoricProcessInstance;
+import org.springframework.beans.BeanUtils;
 import org.springframework.util.CollectionUtils;
 import org.springframework.util.StringUtils;
 import org.springframework.validation.annotation.Validated;
@@ -149,7 +150,9 @@ public class BpmnProcessInstanceController extends BasicPopulateAvatarController
     public CommonResponse<Boolean> cancelProcessInstance(@Validated(ValidGroup.Insert.class) @RequestBody BpmnProcessInstanceCancelDTO dto) {
         log.info("撤回审核cancelProcessInstant===>>>参数：{}", JSONUtil.toJsonStr(dto));
         populateUsersAvatar(dto.getInitiator());
-        return success(bpmnProcessInstanceService.cancelProcessInstance((SuperBpmnProcessInstanceCancelDTO) dto));
+        SuperBpmnProcessInstanceCancelDTO target = new SuperBpmnProcessInstanceCancelDTO();
+        BeanUtils.copyProperties(dto, target);
+        return success(bpmnProcessInstanceService.cancelProcessInstance(target);
     }
 
     @Operation(summary = "撤回流程实例(Super)")