diff --git a/front/src/views/home/detailsPageInfrastructureTree.vue b/front/src/views/home/detailsPageInfrastructureTree.vue
index 0adb69d9..b30661cb 100644
--- a/front/src/views/home/detailsPageInfrastructureTree.vue
+++ b/front/src/views/home/detailsPageInfrastructureTree.vue
@@ -91,6 +91,10 @@ export default defineComponent({
           })
         }
         treeData.value = res.data && res.data.data || []
+        // 只有一个，默认展开到二级菜单
+        if(res.data && res.data.data.length == 1) {
+          showBottom(treeData.value[0])
+        }
       }
     }
     mybus.on('getDeptList', () => {