diff --git a/.github/workflows/itcast-build-and-deploy.yml b/.github/workflows/itcast-build-and-deploy.yml
index 583b3b8..9fd9f96 100644
--- a/.github/workflows/itcast-build-and-deploy.yml
+++ b/.github/workflows/itcast-build-and-deploy.yml
@@ -2,12 +2,15 @@ name: ItcastBuildAndDeploy
 
 on:
   workflow_run:
-    workflows: ["ItcastBuildAndTest"]
+    workflows:
+      - ItcastBuildAndTest
     types:
       - completed
 
 jobs:
   deploy:
+    if: >
+      github.event.workflow_run.conclusion == 'success'
     runs-on: ubuntu-latest
     permissions:
       contents: read