docs(blueprint): fix editor interface description

docs/src/content/docs/en/modules/blueprint/editor-guide.md

@@ -34,9 +34,9 @@ your-project/
 ## Interface Overview
 
 - **Toolbar** - Located at the top, contains New, Open, Save, Undo, Redo operations
-- **Node Panel** - Located on the left, lists all available nodes by category (Event, Entity, Component, Flow Control, etc.)
-- **Canvas Area** - Main central area for placing and connecting nodes
-- **Variables Panel** - Located at the bottom, for defining and managing blueprint variables
+- **Variables Panel** - Located at the top-left, for defining and managing blueprint variables
+- **Canvas Area** - Main area for placing and connecting nodes
+- **Node Menu** - Right-click on empty canvas to open, lists all available nodes by category
 
 ## Canvas Operations
 

docs/src/content/docs/modules/blueprint/editor-guide.md

@@ -34,9 +34,9 @@ your-project/
 ## 界面介绍
 
 - **工具栏** - 位于顶部，包含新建、打开、保存、撤销、重做等操作
-- **节点面板** - 位于左侧，按分类列出所有可用节点（事件、实体、组件、流程控制等）
-- **画布区域** - 中间主区域，用于放置和连接节点
-- **变量面板** - 位于底部，用于定义和管理蓝图变量
+- **变量面板** - 位于左上角，用于定义和管理蓝图变量
+- **画布区域** - 主区域，用于放置和连接节点
+- **节点菜单** - 右键点击画布空白处打开，按分类列出所有可用节点
 
 ## 画布操作