diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
index f07a3cf82c..1432b43c36 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/task/BpmProcessInstanceServiceImpl.java
@@ -264,8 +264,10 @@ public class BpmProcessInstanceServiceImpl implements BpmProcessInstanceService
         Map<Long, AdminUserRespDTO> userMap = adminUserApi.getUserMap(userIds);
         Map<Long, DeptRespDTO> deptMap = deptApi.getDeptMap(convertSet(userMap.values(), AdminUserRespDTO::getDeptId));
 
+
         // 2. 表单权限
-        Map<String, String> formFieldsPermission = getFormFieldsPermission(bpmnModel, reqVO.getActivityId(), reqVO.getTaskId());
+        String taskId = reqVO.getTaskId() == null && todoTask != null ? todoTask.getId() : reqVO.getTaskId();
+        Map<String, String> formFieldsPermission = getFormFieldsPermission(bpmnModel, reqVO.getActivityId(), taskId);
 
         // 3. 拼接数据
         return BpmProcessInstanceConvert.INSTANCE.buildApprovalDetail(bpmnModel, processDefinition, processDefinitionInfo, processInstance,