diff --git a/public/js/widget-toolbox.js b/public/js/widget-toolbox.js
index 1fa49d6..40cd22d 100644
--- a/public/js/widget-toolbox.js
+++ b/public/js/widget-toolbox.js
@@ -25,7 +25,11 @@ export function widgetId() {
export async function fetchData(endpoint, opts = {}) {
const id = widgetId();
- const qs = endpoint ? '?endpoint=' + encodeURIComponent(endpoint) : '';
+ const p = new URLSearchParams();
+ if (endpoint) p.set('endpoint', endpoint);
+ for (const [k, v] of Object.entries(opts.params || {})) p.set(k, String(v));
+ const query = p.toString();
+ const qs = query ? '?' + query : '';
const r = await fetch(`/api/widget-data/${encodeURIComponent(id)}${qs}`, { cache: 'no-store', signal: opts.signal });
if (!r.ok) {
const d = await r.json().catch(() => ({}));
diff --git a/public/widgets/backup/backup.html b/public/widgets/backup/backup.html
index 9ae7426..72d8960 100644
--- a/public/widgets/backup/backup.html
+++ b/public/widgets/backup/backup.html
@@ -120,7 +120,7 @@