diff --git a/src/pages/regulatoryRepository/systemSearch/index.vue b/src/pages/regulatoryRepository/systemSearch/index.vue
index 1a0944342..0bde60e18 100644
--- a/src/pages/regulatoryRepository/systemSearch/index.vue
+++ b/src/pages/regulatoryRepository/systemSearch/index.vue
@@ -135,7 +135,7 @@ export default {
                y: h,
                r: 6,
                cursor: 'pointer',
-               symbol: G6.Marker.collapse,
+               symbol: cfg.level <= 1 ? G6.Marker.collapse : G6.Marker.expand,
                stroke: '#666',
                lineWidth: 1,
                fill: '#fff',