diff --git a/packages/hydrooj/src/error.ts b/packages/hydrooj/src/error.ts
index 9fefbcb1a..2e2e8af33 100644
--- a/packages/hydrooj/src/error.ts
+++ b/packages/hydrooj/src/error.ts
@@ -30,7 +30,7 @@ export class HydroError extends Error {
 
     constructor(...params: any[]) {
         super();
-        this.params = params || [];
+        this.params = params;
     }
 
     // eslint-disable-next-line class-methods-use-this
diff --git a/packages/ui-default/components/problem/list.page.js b/packages/ui-default/components/problem/list.page.js
index 0f95c57fd..f9515ec3c 100644
--- a/packages/ui-default/components/problem/list.page.js
+++ b/packages/ui-default/components/problem/list.page.js
@@ -2,4 +2,7 @@ import { AutoloadPage } from 'vj/misc/Page';
 
 export default new AutoloadPage('problemListPage', () => {
     $('.col--problem-name>a').attr('target', '_blank');
+    $(document).on('vjContentNew', () => {
+        $('.col--problem-name>a').attr('target', '_blank');
+    });
 });
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index 9896f9615..25b81a2bc 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.14.0",
+  "version": "4.14.1",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",