diff --git a/src/pages/bill/components/add_bill_modal.tsx b/src/pages/bill/components/add_bill_modal.tsx
index 94bd762..2923520 100644
--- a/src/pages/bill/components/add_bill_modal.tsx
+++ b/src/pages/bill/components/add_bill_modal.tsx
@@ -109,7 +109,8 @@ export const AddBillModal: React.FC<BillPaidModalProps> = (props) => {
 		details: ConfirmedBillDetail[];
 		errorMessage?: string;
 		errorConfirmMessage?: string;
-		values?: CreateBillRecordModel
+		errorConfirmOk?: boolean;
+		values?: CreateBillRecordModel;
 	}>({
 		details: []
 	})
@@ -132,7 +133,8 @@ export const AddBillModal: React.FC<BillPaidModalProps> = (props) => {
 		values.paid_date = dayjs(values.paid_date).format("YYYY-MM-DD")
 		values.delivered_date = dayjs(values.delivered_date).format("YYYY-MM-DD")
 		setState({
-			loading: true, errorMessage: undefined,values
+			loading: true, errorMessage: undefined,
+			values,errorConfirmOk:false
 		})
 		addBillRecord(values).then(() => {
 			setState({open: false})
@@ -141,9 +143,9 @@ export const AddBillModal: React.FC<BillPaidModalProps> = (props) => {
 		}).catch((e: BizError) => {
 			if (e.code == -50415) { // STUDENT_INFO_NOT_FOUND
 				// duplicate
-				setState({errorConfirmMessage: e.message})
+				setState({errorConfirmMessage: e.message,errorConfirmOk:true})
 			} else {
-				setState({errorMessage: e.message})
+				setState({errorConfirmMessage: e.message})
 			}
 		}).finally(() => {
 			setState({
@@ -360,9 +362,16 @@ export const AddBillModal: React.FC<BillPaidModalProps> = (props) => {
 			onCancel={handleCloseConfirm}
 			width={600}
 			maskClosable={false}
-			okText={t('base.confirm_and_add')}
-			onOk={handleConfirmAdd}
-			okButtonProps={{loading: state.confirmLoading}}
+			footer={
+			<div className={'text-center'}>
+                <Space>
+	                <Button onClick={handleCloseConfirm} type={'tertiary'}>{t('base.cancel')}</Button>
+	                {state.errorConfirmOk && <Button loading={state.confirmLoading} onClick={handleConfirmAdd} theme={'solid'}>
+		                {t('base.confirm_and_add')}
+                    </Button>}
+                </Space>
+			</div>
+			}
 		>
 			<Descriptions layout='horizontal' align='plain' data={details} column={2}/>
 			<Divider style={{margin: '10px 0'}}>{t('base.title_error_tip')}</Divider>