diff --git a/frontend/src/misc-components/issue-details-dialog.tsx b/frontend/src/misc-components/issue-details-dialog.tsx
index 15c3fda..eabd306 100644
--- a/frontend/src/misc-components/issue-details-dialog.tsx
+++ b/frontend/src/misc-components/issue-details-dialog.tsx
@@ -6,6 +6,7 @@ import * as IssueHrefNs from '../misc-components/issue-href';
 import Css from './issue-details-dialog.module.css';
 import * as UnreadedFlagNs from '../misc-components/unreaded-flag';
 import { SetIssueReadingTimestamp } from '../utils/unreaded-provider';
+import axios from 'axios';
 
 export const Store = types.model({
 	visible: types.boolean,
@@ -40,16 +41,20 @@ export type Props = {
 };
 
 export const IssueDetailsDialog = observer((props: Props): JSX.Element => {
-	// DEBUG: begin
-	useEffect(() => {
-		console.debug(`Issue detailts dialog: issue_id=${props.store.issue.id}; subject=${props.store.issue?.subject || '-'}; description=${props.store.issue.description}; visible=${props.store.visible}`);
-	});
-	// DEBUG: end
+	const onUpdateClick = (e: React.MouseEvent) => {
+		const url = `/redmine-event-emitter/append-issues`;
+		axios.post(url, [props.store.issue.id]);
+	};
+	const onCloseClick = (e: React.MouseEvent) => {
+		e.stopPropagation();
+		props.store.hide();
+	};
 	return (
 		<div className={Css.modal} style={props.store.displayStyle}>
 			<div className={Css.modalContent}>
 				<h1>
-					<button onClick={(e) => {e.stopPropagation(); props.store.hide();}}>close</button>
+					<button onClick={onCloseClick}>close</button>
+					<button onClick={onUpdateClick}>force update</button>
 					<IssueHrefNs.IssueHref
 						id={props.store.issue?.id || -1}
 						subject={props.store.issue?.subject || ''}