diff --git a/.github/workflows/sync_to_private.yml b/.github/workflows/sync_to_private.yml
index 849e44b..3af0453 100644
--- a/.github/workflows/sync_to_private.yml
+++ b/.github/workflows/sync_to_private.yml
@@ -9,6 +9,8 @@ jobs:
   sync:
     runs-on: ubuntu-latest
 
+    if: github.repository_visibility == 'public'
+
     steps:
       - name: Checkout public repository
         uses: actions/checkout@v2
@@ -23,4 +25,4 @@ jobs:
       - name: Sync to private repository
         run: |
           git remote add private git@github.com:ryanxingql/${{ secrets.PRIVATE_REPO_NAME }}.git
-          git push private v3
+          git push private v3
\ No newline at end of file