diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 48cc497..f411164 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -81,19 +81,19 @@ jobs:
         run: npm run build
 
       - name: Remove lint-staged husky
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         run: |
           npm uninstall lint-staged husky
           git checkout package-lock.json package.json
 
       - name: Setup mdBook
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         uses: peaceiris/actions-mdbook@v1.1.14
         with:
           mdbook-version: '0.4.5'
 
       - name: Build site
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         working-directory: ./test_projects/mdbook
         run: mdbook build
 
diff --git a/README.md b/README.md
index 632eb82..ec8a657 100644
--- a/README.md
+++ b/README.md
@@ -162,7 +162,7 @@ jobs:
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./public
@@ -672,7 +672,7 @@ jobs:
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./public
@@ -722,7 +722,7 @@ jobs:
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./public
@@ -777,7 +777,7 @@ jobs:
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./out
@@ -828,7 +828,7 @@ jobs:
 
       - name: deploy
         uses: peaceiris/actions-gh-pages@v3
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./dist
@@ -887,7 +887,7 @@ jobs:
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./website/build
@@ -949,7 +949,7 @@ jobs:
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./site
@@ -990,7 +990,7 @@ jobs:
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./book
@@ -1034,7 +1034,7 @@ jobs:
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./build/web
@@ -1083,7 +1083,7 @@ jobs:
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./public
@@ -1169,7 +1169,7 @@ jobs:
 
       - name: Deploy to GitHub Pages
         uses: peaceiris/actions-gh-pages@v3
-        if: github.ref == 'refs/heads/main'
+        if: ${{ github.ref == 'refs/heads/main' }}
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./Output