二级审批工作流设计问题

1.对于未终审的单据，能否由当前处理人进行修改，比如采购订单的数量
2.工作流处理设计器的审批动作设置有终止流程选项，表单操作和驳回发起人一样都是反审核，如果将终止流程的表单操作修改为业务终止，在系统运行时选终止流程的时候报错：

发生时间：16:08:20
错误来源： Kingdee.BOS.DataEntity
错误信息：寻找实体上MRPCloseStatus对应的属性描述符失败，实体不能为空！
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调用堆栈：
at Kingdee.BOS.Orm.Metadata.DataEntity.DynamicProperty.FindTrueProperty(DynamicObject dataEntity)
at Kingdee.BOS.App.Core.AbstractSetStatus.SetEntryBillStatus(DynamicObject[] objs, List`1 pkEntryIds, List`1 paras)
at Kingdee.BOS.App.Core.AbstractOprerationService.CallOperation(DynamicObject[]& objs)
at Kingdee.BOS.App.Core.AbstractOprerationService.CallOperatinTransaction(DynamicObject[] objs)
at Kingdee.BOS.App.Core.AbstractOprerationService.DoExcete()
at Kingdee.BOS.App.Core.AbstractOprerationService.Excute(Object[] ids)
at Kingdee.BOS.App.Core.SetStatusService.SetBillStatus(Context ctx, BusinessInfo businessInfo, List`1 pkEntryIds, List`1 paras, String operationNumber, OperateOption option)
at Kingdee.BOS.Workflow.App.Core.SetStatusInvokeService.Execute(Context ctx, BusinessInfo info, DynamicObject[] dataEntities, String operationNumber, OperateOption option)
at Kingdee.BOS.Workflow.App.Core.WFInvokeOperationService.InvokeService(Context ctx, String operationName, BusinessInfo info, DynamicObject[] dataEntities, OperateOption option, Boolean needNewTrans)
at Kingdee.BOS.Workflow.App.Core.AssignmentService.InvokeAssignAndOperate(Context ctx, OperateOption option, Field billNoField, List`1 lstOnlyCompletedContext, Dictionary`2 dctCompletedWithOperate, List`1 lstUnCompletedContext, LocaleValue resultName, Int32& successCount)
at Kingdee.BOS.Workflow.App.Core.AssignmentService.SubmitApprovalItems(Context ctx, AssignmentContext assignContext)
at Kingdee.BOS.Workflow.App.Core.AssignmentService.SubmitApprovalItem(Context ctx, AssignmentContext assignContext)
at Kingdee.BOS.Workflow.ServiceHelper.AssignmentServiceHelper.SubmitApprovalItem(Context ctx, AssignmentContext assignContext)
at Kingdee.BOS.Workflow.PlugIns.AssignmentApproval.SubmitAssignment(Nullable`1 postId, OperateOption option)
at Kingdee.BOS.Workflow.PlugIns.AssignApprovalBaseEdit.Submit(OperateOption option)
at Kingdee.BOS.Workflow.PlugIns.AssignmentApproval.BarItemClick(BarItemClickEventArgs e)
at Kingdee.BOS.Core.DynamicForm.PlugIn.DynamicFormViewPlugInProxy.FireBarItemClick(BarItemClickEventArgs e)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.BarItemClick(String parentKey, String barItemKey, BarDataManager bar, Int32 bartype)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormView.MainBarItemClick(String barItemKey)
at Kingdee.BOS.Web.DynamicForm.DynamicWebFormController.MainBarItemClick(String itemKey, JSONArray postDatas)
错误数据： System.Collections.ListDictionaryInternal