diff --git a/.github/workflows/deploy-demo.yml b/.github/workflows/deploy-demo.yml
index 54244d3c..b6205606 100644
--- a/.github/workflows/deploy-demo.yml
+++ b/.github/workflows/deploy-demo.yml
@@ -58,6 +58,8 @@ jobs:
         with:
           url: http://flow-openapi.aliyun.com/pipeline/webhook/IiSxLDp9aOhgDUxJPytv
           method: POST
+          body: |
+            {}
           headers: |
             Content-Type: application/json
           retry-count: 3