diff --git a/CI-CD/examples/sample-app/handler.go b/CI-CD/examples/sample-app/handler.go
index e7a138a..28a58b3 100644
--- a/CI-CD/examples/sample-app/handler.go
+++ b/CI-CD/examples/sample-app/handler.go
@@ -8,7 +8,7 @@ import (
 
 // handleRoot returns a greeting message.
 func handleRoot(w http.ResponseWriter, r *http.Request) {
-	if _, err := w.Write([]byte("Hello, GitHub Actions!")); err != nil {
+	if _, err := w.Write([]byte("Hello from HUNGYU")); err != nil {
 		slog.Error("write response failed", "handler", "root", "error", err)
 	}
 }
diff --git a/CI-CD/examples/sample-app/handler_test.go b/CI-CD/examples/sample-app/handler_test.go
index 9b98db3..ceff24a 100644
--- a/CI-CD/examples/sample-app/handler_test.go
+++ b/CI-CD/examples/sample-app/handler_test.go
@@ -17,7 +17,7 @@ func TestHandleRoot(t *testing.T) {
 		t.Errorf("expected status %d, got %d", http.StatusOK, rec.Code)
 	}
 
-	expected := "Hello, GitHub Actions!"
+	expected := "Hello, from HUNGYU!"
 	if rec.Body.String() != expected {
 		t.Errorf("expected body %q, got %q", expected, rec.Body.String())
 	}