[action]Change build demo

.github/workflows/build-demo.yml

@@ -63,7 +63,7 @@ jobs:
           username: ${{ secrets.ALIYUN_USERNAME }}
           port: ${{ secrets.ALIYUN_PORT }}
           password: ${{ secrets.ALIYUN_PRIVATE_KEY }}
-          source: demo/dist/*
+          source: demo/build/*
           target: /usr/share/nginx/demo_stdf/
           strip_components: 2