diff --git a/packages/ui-default/components/zipDownloader/index.js b/packages/ui-default/components/zipDownloader/index.js
index 885ea406c..004eb502d 100644
--- a/packages/ui-default/components/zipDownloader/index.js
+++ b/packages/ui-default/components/zipDownloader/index.js
@@ -86,7 +86,9 @@ export async function downloadProblemSet(pids, name = 'Export') {
     let { links } = await request.post(
       `/d/${UiContext.domainId}/p/${pid}/files`,
       { operation: 'get_links', files: (pdoc.data || []).map((i) => i.name), type: 'testdata' }
-    );
+    ).catch((e) => {
+      Notification.warn(`${e.error.message} ${e.error.params[0]}`);
+    });
     for (const filename of Object.keys(links)) {
       targets.push({ filename: `${pid}/testdata/${filename}`, url: links[filename] });
     }
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index 64f8403cf..7c5331aad 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.11.21",
+  "version": "4.11.22",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",