diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
deleted file mode 100644
index d6318102..00000000
--- a/.github/workflows/release.yml
+++ /dev/null
@@ -1,28 +0,0 @@
-name: deploy burimi app
-
-on:
-  push:
-    branches:
-      - main
-
-jobs:
-  deploy:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-
-      - name: Generate deployment package
-        run: zip -r ${{ github.sha }}.zip . -x "*.git*" node_modules
-
-      - name: Deploy to EB
-        uses: einaregilsson/beanstalk-deploy@v20
-        with:
-          aws_access_key: ${{secrets.AWS_ACCESS_KEY_ID}}
-          aws_secret_key: ${{secrets.AWS_SECRET_ACCESS_KEY}}
-          application_name: burimi-server
-          environment_name: Burimi-server-env
-          version_label: ${{ github.sha }}
-          version_description: ${{ github.event.head_commit.message }}
-          region: ap-northeast-2
-          deployment_package: ${{ github.sha }}.zip
diff --git a/src/apis/notice/controller.ts b/src/apis/notice/controller.ts
index 851755c6..009145f4 100644
--- a/src/apis/notice/controller.ts
+++ b/src/apis/notice/controller.ts
@@ -6,7 +6,7 @@ router.get('/', async (req: Request, res: Response) => {
   try {
     const major = req.query.major as string;
     let notices;
-    if (major === undefined) {
+    if (major === 'undefined') {
       notices = await getSchoolNotices();
     } else {
       notices = await getNotices(major);