diff --git a/internal/controlplane/api/gateway_health_test.go b/internal/controlplane/api/gateway_health_test.go
index 2fcccc9..e14f825 100644
--- a/internal/controlplane/api/gateway_health_test.go
+++ b/internal/controlplane/api/gateway_health_test.go
@@ -253,7 +253,7 @@ func TestUpdateGatewayProbesHealthImmediately(t *testing.T) {
 // TestUpdateGatewayUnreachableRecordsUnhealthy：编辑指向不可达地址时保存照常成功，
 // 后台探活把 unhealthy 结果落库供页面展示。
 func TestUpdateGatewayUnreachableRecordsUnhealthy(t *testing.T) {
-	t.Cleanup(restoreGatewayHealthProbeTimeout(setGatewayHealthProbeTimeout(300*time.Millisecond)))
+	t.Cleanup(restoreGatewayHealthProbeTimeout(setGatewayHealthProbeTimeout(300 * time.Millisecond)))
 	store := &healthMemoryStore{memoryStore: newMemoryStore()}
 	store.gateways["gw-1"] = hub.Gateway{Name: "gw-1", Endpoint: "http://gw-old:8081", Token: "unit-test-gateway-token"}
 	closedServer := httptest.NewServer(http.HandlerFunc(func(http.ResponseWriter, *http.Request) {}))