diff --git a/.gitea/workflows/more-slots.yml b/.gitea/workflows/more-slots.yml
index 2320abc..85173ec 100644
--- a/.gitea/workflows/more-slots.yml
+++ b/.gitea/workflows/more-slots.yml
@@ -24,6 +24,20 @@ jobs:
         mv ../az-more-slots/README .
         git config --local user.email Cheshire[bot]@users.noreply.github.com
         git config --local user.name 柴郡[bot]
+    - name: check diff
+      id: check_changes
+      run: |
+        ls -lh
+        cd MoreSlots
+        ls -lh
+        if [ -z "$(git status --porcelain)" ]; then
+          echo "::set-output name=has_changes::false"
+        else
+          echo "::set-output name=has_changes::true"
+        fi
+    - name: push
+      if: ${{ steps.check_changes.outputs.has_changes == 'true' }}
+      run: |
         git add .
         git commit --allow-empty -m "$(date '+%Y-%m-%d %H:%M:%S')"
         git push https://x-access-token:${{ secrets.AZW_PHY_ACCESS_TOKEN }}@github.com/Azurlane-HOI-mod/MoreSlots.git
diff --git a/.gitea/workflows/sr-sync.yml b/.gitea/workflows/sr-sync.yml
index a04b9c9..507f7d0 100644
--- a/.gitea/workflows/sr-sync.yml
+++ b/.gitea/workflows/sr-sync.yml
@@ -24,6 +24,20 @@ jobs:
         mv ../azurlane-sr/README .
         git config --local user.email Cheshire[bot]@users.noreply.github.com
         git config --local user.name 柴郡[bot]
+    - name: check diff
+      id: check_changes
+      run: |
+        ls -lh
+        cd Azurlane-SR
+        ls -lh
+        if [ -z "$(git status --porcelain)" ]; then
+          echo "::set-output name=has_changes::false"
+        else
+          echo "::set-output name=has_changes::true"
+        fi
+    - name: push
+      if: ${{ steps.check_changes.outputs.has_changes == 'true' }}
+      run: |
         git add .
         git commit --allow-empty -m "$(date '+%Y-%m-%d %H:%M:%S')"
         git push https://x-access-token:${{ secrets.AZW_PHY_ACCESS_TOKEN }}@github.com/Azurlane-HOI-mod/Azurlane-SR.git
diff --git a/.gitea/workflows/tj-sync.yml b/.gitea/workflows/tj-sync.yml
index f575497..f1fa73a 100644
--- a/.gitea/workflows/tj-sync.yml
+++ b/.gitea/workflows/tj-sync.yml
@@ -24,6 +24,20 @@ jobs:
         mv ../azurlane-tj/README .
         git config --local user.email Cheshire[bot]@users.noreply.github.com
         git config --local user.name 柴郡[bot]
+    - name: check diff
+      id: check_changes
+      run: |
+        ls -lh
+        cd Azurlane-TJ
+        ls -lh
+        if [ -z "$(git status --porcelain)" ]; then
+          echo "::set-output name=has_changes::false"
+        else
+          echo "::set-output name=has_changes::true"
+        fi
+    - name: push
+      if: ${{ steps.check_changes.outputs.has_changes == 'true' }}
+      run: |
         git add .
         git commit --allow-empty -m "$(date '+%Y-%m-%d %H:%M:%S')"
         git push https://x-access-token:${{ secrets.AZW_PHY_ACCESS_TOKEN }}@github.com/Azurlane-HOI-mod/Azurlane-TJ.git
diff --git a/.gitea/workflows/vnr-patch.yml b/.gitea/workflows/vnr-patch.yml
index a866739..645b684 100644
--- a/.gitea/workflows/vnr-patch.yml
+++ b/.gitea/workflows/vnr-patch.yml
@@ -24,6 +24,20 @@ jobs:
         mv ../az-vnr-patch/README .
         git config --local user.email Cheshire[bot]@users.noreply.github.com
         git config --local user.name 柴郡[bot]
+    - name: check diff
+      id: check_changes
+      run: |
+        ls -lh
+        cd VNR-Patch
+        ls -lh
+        if [ -z "$(git status --porcelain)" ]; then
+          echo "::set-output name=has_changes::false"
+        else
+          echo "::set-output name=has_changes::true"
+        fi
+    - name: push
+      if: ${{ steps.check_changes.outputs.has_changes == 'true' }}
+      run: |
         git add .
         git commit --allow-empty -m "$(date '+%Y-%m-%d %H:%M:%S')"
         git push https://x-access-token:${{ secrets.AZW_PHY_ACCESS_TOKEN }}@github.com/Azurlane-HOI-mod/VNR-Patch.git