diff --git a/bricks/header.tmpl b/bricks/header.tmpl
index 61ad8d1..329c3c6 100644
--- a/bricks/header.tmpl
+++ b/bricks/header.tmpl
@@ -37,7 +37,7 @@
   <script type="module"
     src="{{entire_url('/bricks/3parties/model-viewer.min.js')}}">
   </script>
-  <script src="{{entire_url('/bricks/bricks.js')}}?v={% if assets_ver %}{{assets_ver()}}{% else %}20260830c{% endif %}"></script>
+  <script src="{{entire_url('/bricks/bricks.js')}}?v={% if assets_ver %}{{assets_ver()}}{% else %}20260830d{% endif %}"></script>
 {% for myjs in jsfiles() %}
   <script src="{{entire_url(myjs)}}{% if assets_ver %}?v={{assets_ver()}}{% endif %}"></script>
 {% endfor %}
diff --git a/bricks/tree.js b/bricks/tree.js
index 363b357..cfb8095 100644
--- a/bricks/tree.js
+++ b/bricks/tree.js
@@ -541,6 +541,14 @@ bricks.Tree = class extends bricks.VScrollPanel {
 			this.selected_node = node;
 			this.node_selected(node, true);
 		}
+		// 点击非叶子节点自动展开/收起（懒加载数据由 expand() 触发）
+		if (!node.is_leaf && node.container){
+			if (node.node_state != 'open'){
+				node.expand();
+			} else if (!this.opts.select_only){
+				node.collapse();
+			}
+		}
 	}
 	node_selected(node, flag){
 		console.log('node_selected():node=', node, flag);