diff --git a/.github/workflows/update_paddle_submodule.yml b/.github/workflows/update_paddle_submodule.yml
index 64529e762a2..55ddc5a049a 100644
--- a/.github/workflows/update_paddle_submodule.yml
+++ b/.github/workflows/update_paddle_submodule.yml
@@ -1,7 +1,6 @@
 name: Update Paddle Submodule NightlyAdd commentMore actions
 
 on:
-  pull_request:
   schedule:
     - cron: '0 16 * * *'
   workflow_dispatch:
@@ -18,19 +17,18 @@ jobs:
 
       - name: Update Paddle Submodule
         run: |
+          echo "BRANCH_NAME=update-paddle-submodule-$(date +'%Y%m%d')" >> $GITHUB_ENV
           git config --global user.name "GitHub Actions"
           git config --global user.email "actions@github.com"
           git submodule update --remote --init
-          cd Paddle
-          git add .
-          git commit -m "Commit changes in Paddle submodule"
-          cd ..
+          git status
           git add Paddle
-          git commit -m "Update Paddle submodule to latest commit" || echo "No changes to commit"
+          git commit -m "Commit changes in Paddle submodule"
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v5
         with:
-          branch: update-paddle-submodule
+          branch: ${{ env.BRANCH_NAME }}
+          delete-branch: true
           title: "Nightly Update: Paddle Submodule"
           body: "Automated PR to update Paddle submodule to the latest commit."
           commit-message: "Update Paddle submodule"