diff --git a/.gitea/workflows/ai-review.yml b/.gitea/workflows/ai-review.yml
index d821962..39ca2a8 100644
--- a/.gitea/workflows/ai-review.yml
+++ b/.gitea/workflows/ai-review.yml
@@ -1,9 +1,8 @@
 name: PR Diff Summary
 
 on:
-  push:
-    branches:
-      - main
+  pull_request:
+    types: [opened, synchronize]
   workflow_dispatch:
 
 jobs: