diff --git a/.gitea/workflows/build.yml b/.gitea/workflows/build.yml
index 5f28270..d456428 100644
--- a/.gitea/workflows/build.yml
+++ b/.gitea/workflows/build.yml
@@ -1 +1,54 @@
-
\ No newline at end of file
+name: sync
+run-name: 
+on:
+  schedule:
+    - cron: '0 4 * * *'
+  issues:
+    types: [opened]
+jobs:
+  build:
+    runs-on: steam-runner
+    steps:
+    - name: Clone repository
+      run: |
+        ls -lh
+        rm -rf azurlane-sr-reforged
+        git -c http.sslVerify=false clone https://${{ secrets.GITHUB_TOKEN }}@${{ secrets.URI }}/${{ github.repository }}.git        
+    - name: sync currect file
+      run: |
+        cd /home/steam/steamcmd
+        ls -lh
+        ./steamcmd.sh +login ${{ secrets.STEAM_USERNAME }}  ${{ secrets.STEAM_PASSWORD }}  +workshop_download_item 394360 2131096629 +quit        
+    - name: clean src and copy to src
+      run: |
+        ls -lh
+        cd azurlane-sr-reforged
+        git checkout pure-az
+        cp -r src ../
+        git checkout main
+        rm -rf src
+        ls -lh
+        mv ../src ./
+        cp /home/steam/Steam/steamapps/workshop/content/394360/2131096629/descriptor.mod src/descriptor.mod
+    - name: check diff
+      id: check_changes
+      run: |
+        ls -lh
+        cd azurlane-sr-reforged
+        ls -lh
+        if [ -z "$(git status --porcelain)" ]; then
+          echo "::set-output name=has_changes::false"
+        else
+          echo "::set-output name=has_changes::true"
+        fi        
+    - name: commit and push
+      if: ${{ steps.check_changes.outputs.has_changes == 'true' }}
+      run: |
+        ls -lh
+        cd azurlane-sr-reforged
+        ls -lh
+        git config --local user.email "actions[bot]@users.noreply.github.com"
+        git config --local user.name "actions[bot]"
+        git add .
+        git commit --allow-empty -m "$(date '+%Y-%m-%d %H:%M:%S')"
+        git -c http.sslVerify=false push https://${{ secrets.GITHUB_TOKEN }}@${{ secrets.URI }}/${{ github.repository }}.git        
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