Demo：更新文档，去除默认适应画布大小

web/src/pages/Doc/en/constructor/index.md

@@ -89,6 +89,7 @@ const mindMap = new MindMap({
 | selectTextOnEnterEditText（v0.7.0+）     | Boolean  | true  | Is the text selected by default when double-clicking a node to enter node text editing? By default, it will only be selected when creating a new node |          |
 | deleteNodeActive（v0.7.1+）     | Boolean  | true  | Enable the function of automatically activating adjacent nodes or parent nodes after deleting nodes |          |
 | autoMoveWhenMouseInEdgeOnDrag（v0.7.1+）     | Boolean  | true  | Whether to enable automatic canvas movement when the mouse moves to the edge of the canvas while dragging nodes |          |
+| fit（v0.7.2+）     | Boolean  | false  | Is the first rendering scaled to fit the canvas size |          |
 
 ### Data structure
 

web/src/pages/Doc/zh/constructor/index.md

@@ -89,6 +89,7 @@ const mindMap = new MindMap({
 | selectTextOnEnterEditText（v0.7.0+）     | Boolean  | true  | 双击节点进入节点文本编辑时是否默认选中文本，默认只在创建新节点时会选中 |          |
 | deleteNodeActive（v0.7.1+）     | Boolean  | true  | 是否开启删除节点后自动激活节点相邻节点或父节点的功能 |          |
 | autoMoveWhenMouseInEdgeOnDrag（v0.7.1+）     | Boolean  | true  | 拖拽节点时鼠标移动到画布边缘是否开启画布自动移动 |          |
+| fit（v0.7.2+）     | Boolean  | false  | 首次渲染时是否缩放至适应画布大小 |          |
 
 ### 数据结构
 

web/src/pages/Edit/components/Edit.vue

@@ -276,7 +276,7 @@ export default {
       this.mindMap = new MindMap({
         el: this.$refs.mindMapContainer,
         data: root,
-        fit: true,
+        fit: false,
         layout: layout,
         theme: theme.template,
         themeConfig: theme.config,