diff --git a/bricks/header.tmpl b/bricks/header.tmpl
index 4f1f2d7..37ac7b5 100644
--- a/bricks/header.tmpl
+++ b/bricks/header.tmpl
@@ -37,9 +37,9 @@
   <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 %}20260830e{% endif %}"></script>
+  <script src="{{entire_url('/bricks/bricks.js')}}?v={% if assets_ver %}{{assets_ver()}}{% else %}20260831a{% endif %}"></script>
 {% for myjs in jsfiles() %}
-  <script src="{{entire_url(myjs)}}{% if assets_ver %}?v={{assets_ver()}}{% endif %}"></script>
+  <script src="{{entire_url(myjs)}}?v={% if assets_ver %}{{assets_ver()}}{% else %}20260831a{% endif %}"></script>
 {% endfor %}
 	<script>
 		const opts = {
diff --git a/bricks/tree.js b/bricks/tree.js
index cfb8095..8d772d7 100644
--- a/bricks/tree.js
+++ b/bricks/tree.js
@@ -78,6 +78,8 @@ bricks.TreeNode = class extends bricks.VBox {
 		}
 		this.container.show();
 		if (this.icon_w && this.icons_urls.open) this.icon_w.set_url(this.icons_urls.open);
+		// 点击节点行展开时同步三角图标状态（set_state 同状态去重，不会死循环）
+		if (this.triple) this.triple.set_state('open');
 	}
 	collapse(){
 		this.node_state = 'close'
@@ -86,6 +88,8 @@ bricks.TreeNode = class extends bricks.VBox {
 		}
 		this.container.hide();
 		if (this.icon_w && this.icons_urls.close) this.icon_w.set_url(this.icons_urls.close);
+		// 收起时同步三角图标状态
+		if (this.triple) this.triple.set_state('close');
 	}
 	create_triple(){
 		return new bricks.StatedSvg({