diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d43f5c6922..47fdb1012b 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -70,7 +70,7 @@ jobs:
 
       - name: Build site
         run: |
-          bundle exec jekyll build --trace --profile
+          bundle exec jekyll build --trace --profile --strict_front_matter
           : > _site/.nojekyll
         env:
           JEKYLL_ENV: production
diff --git a/pages/_wiki/lug/events/hackergame.md b/pages/_wiki/lug/events/hackergame.md
index 4de82b7963..37d9be455d 100644
--- a/pages/_wiki/lug/events/hackergame.md
+++ b/pages/_wiki/lug/events/hackergame.md
@@ -1,3 +1,6 @@
+---
+---
+
 # 信息安全大赛 Hackergame
 
 科大信息安全大赛自 2014 年起开始举办，每年一届，规模盛大，影响甚广。每年的比赛在新生入学季举行，向新生倾斜，赛前有动员会，对基础较薄弱的同学进行一些指导，比赛题目控制难度梯度，强调引导和教育作用，除常规奖项外并设立新生特别奖等奖项鼓励同学们参加竞赛。
diff --git a/shell.nix b/shell.nix
index ff143f5c3c..ebbb8c7bb4 100644
--- a/shell.nix
+++ b/shell.nix
@@ -3,7 +3,7 @@
 with pkgs; mkShell {
     buildInputs = [
         ruby_3_2
-        nodejs-18_x
+        nodejs_22
         curl
         bundler
     ];