diff --git a/.github/workflows/github-actions.yml b/.github/workflows/github-actions.yml
index 1c25fc5..6fe4a85 100644
--- a/.github/workflows/github-actions.yml
+++ b/.github/workflows/github-actions.yml
@@ -2,7 +2,9 @@
 
 on:
   push:
-    branches: "*"
+    branches:
+      - main
+      - 'release-*'
   pull_request:
     branches: "*"
 
diff --git a/integrate_test.sh b/integrate_test.sh
index f8ca769..a0f88a0 100644
--- a/integrate_test.sh
+++ b/integrate_test.sh
@@ -36,7 +36,7 @@
 echo "github pull request head branch -> ${GITHUB_HEAD_REF}"
 
 echo "use dubbo-go-samples $3 branch for integration testing"
-git clone -b master https://github.com/apache/dubbo-go-samples.git samples && cd samples
+git clone -b $3 https://github.com/apache/dubbo-go-samples.git samples && cd samples
 
 # update dubbo-go to current commit id
 go mod edit -replace=dubbo.apache.org/dubbo-go/v3=github.com/"$1"/v3@"$2"