diff --git a/packages/hydrooj/src/handler/user.ts b/packages/hydrooj/src/handler/user.ts
index 7b39cdb82..e6d65813f 100644
--- a/packages/hydrooj/src/handler/user.ts
+++ b/packages/hydrooj/src/handler/user.ts
@@ -50,6 +50,8 @@ class UserLoginHandler extends Handler {
 }
 
 class UserLogoutHandler extends Handler {
+    noCheckPermView = true;
+
     async get() {
         this.response.template = 'user_logout.html';
     }
diff --git a/packages/ui-default/components/problem/list.page.js b/packages/ui-default/components/problem/list.page.js
new file mode 100644
index 000000000..0f95c57fd
--- /dev/null
+++ b/packages/ui-default/components/problem/list.page.js
@@ -0,0 +1,5 @@
+import { AutoloadPage } from 'vj/misc/Page';
+
+export default new AutoloadPage('problemListPage', () => {
+    $('.col--problem-name>a').attr('target', '_blank');
+});
diff --git a/packages/ui-default/package.json b/packages/ui-default/package.json
index 26a393008..2af631aa4 100644
--- a/packages/ui-default/package.json
+++ b/packages/ui-default/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@hydrooj/ui-default",
-  "version": "4.12.27",
+  "version": "4.12.28",
   "author": "undefined <i@undefined.moe>",
   "license": "AGPL-3.0",
   "main": "hydro.js",