diff --git a/.github/workflows/MirrorSync.yml b/.github/workflows/MirrorSync.yml
index 0d78782..4598492 100644
--- a/.github/workflows/MirrorSync.yml
+++ b/.github/workflows/MirrorSync.yml
@@ -14,5 +14,7 @@ jobs:
       - name: 'Sync'
         id: commit
         run: |
+          git fetch --unshallow
+          git checkout master
           git remote add gitea https://${{ secrets.GITEA_USERNAME }}:${{ secrets.GITEA_PASSWORD }}@git.bili33.top/GamerNoTitle/MHYY.git   
           git push gitea master