Update update_exchange_rate.yml

.github/workflows/update_exchange_rate.yml

@@ -14,14 +14,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v4
-        with:
-          node-version: '20'
-
-      - name: Setup Python
-        uses: actions/setup-python@v4
-        with:
-          python-version: '3.x'
+        uses: actions/checkout@v3 # 更新到 v3
 
       - name: Install dependencies
         run: |
@@ -33,17 +26,12 @@ jobs:
         run: |
           python update_exchange_rate.py
 
-      - name: Check for changes
-        id: check_changes
-        run: |
-          git fetch
-          git diff --exit-code > /dev/null || echo "has_changes=true" >> $GITHUB_ENV
-
       - name: Commit and push changes
-        if: env.has_changes == 'true'
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           git config --local user.email "action@github.com"
           git config --local user.name "GitHub Action"
           git add exchange_rate.json
-          git commit -m "Update exchange rate"
-          git push
+          git diff-index --quiet HEAD || git commit -m "Update exchange rate"
+          git push origin HEAD:main