diff --git a/simple-mind-map/src/core/view/View.js b/simple-mind-map/src/core/view/View.js
index 3586f362..3f756dc7 100644
--- a/simple-mind-map/src/core/view/View.js
+++ b/simple-mind-map/src/core/view/View.js
@@ -222,8 +222,12 @@ class View {
   }
 
   //  设置缩放
-  setScale(scale) {
-    this.scale = scale
+  setScale(scale, cx, cy) {
+    if (cx !== undefined && cy !== undefined) {
+      this.scaleInCenter(cx, cy, scale)
+    } else {
+      this.scale = scale
+    }
     this.transform()
     this.mindMap.emit('scale', this.scale)
   }
diff --git a/simple-mind-map/src/plugins/TouchEvent.js b/simple-mind-map/src/plugins/TouchEvent.js
index 641c4f9d..1cb7ec70 100644
--- a/simple-mind-map/src/plugins/TouchEvent.js
+++ b/simple-mind-map/src/plugins/TouchEvent.js
@@ -53,8 +53,11 @@ class TouchEvent {
       let ox = touch1.clientX - touch2.clientX
       let oy = touch1.clientY - touch2.clientY
       let distance = Math.sqrt(Math.pow(ox, 2) + Math.pow(oy, 2))
-      let cx = (touch1.clientX + touch2.clientX) / 2
-      let cy = (touch1.clientY + touch2.clientY) / 2
+      // 以两指中心点进行缩放
+      let { x: touch1ClientX, y: touch1ClientY } = this.mindMap.toPos(touch1.clientX, touch1.clientY)
+      let { x: touch2ClientX, y: touch2ClientY } = this.mindMap.toPos(touch2.clientX, touch2.clientY)
+      let cx = (touch1ClientX + touch2ClientX) / 2
+      let cy = (touch1ClientY + touch2ClientY) / 2
       if (distance > this.doubleTouchmoveDistance) {
         // 放大
         this.mindMap.view.enlarge(cx, cy)
diff --git a/web/src/pages/Doc/en/changelog/index.md b/web/src/pages/Doc/en/changelog/index.md
index 4e9f98b7..7f4e7bf2 100644
--- a/web/src/pages/Doc/en/changelog/index.md
+++ b/web/src/pages/Doc/en/changelog/index.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.6.4
+
+New: 1.The default is to scale at the center point of the canvas. 2.Optimize the scaling of both fingers on the mobile end, with the center position of the two fingers as the center point for scaling.
+
 ## 0.6.3
 
 Fix: 1.Fix the issue where the summary node will respond to inserting node shortcuts.
diff --git a/web/src/pages/Doc/en/changelog/index.vue b/web/src/pages/Doc/en/changelog/index.vue
index b03cad68..ef06826e 100644
--- a/web/src/pages/Doc/en/changelog/index.vue
+++ b/web/src/pages/Doc/en/changelog/index.vue
@@ -1,6 +1,8 @@
 <template>
   <div>
     <h1>Changelog</h1>
+<h2>0.6.4</h2>
+<p>New: 1.The default is to scale at the center point of the canvas. 2.Optimize the scaling of both fingers on the mobile end, with the center position of the two fingers as the center point for scaling.</p>
 <h2>0.6.3</h2>
 <p>Fix: 1.Fix the issue where the summary node will respond to inserting node shortcuts.</p>
 <p>New: 1.Support custom node content.</p>
diff --git a/web/src/pages/Doc/en/view/index.md b/web/src/pages/Doc/en/view/index.md
index f11130be..8384862d 100644
--- a/web/src/pages/Doc/en/view/index.md
+++ b/web/src/pages/Doc/en/view/index.md
@@ -35,11 +35,19 @@ Translate the `y` direction to a specific position
 
 Revert to the default transformation
 
-### narrow()
+### narrow(cx, cy)
+
+- `cx`:（v0.6.4+）Zoom to the specified position on the canvas, default to the center point of the canvas
+
+- `cy`:（v0.6.4+）Zoom to the specified position on the canvas, default to the center point of the canvas
 
 Zoom out
 
-### enlarge()
+### enlarge(cx, cy)
+
+- `cx`:（v0.6.4+）Zoom to the specified position on the canvas, default to the center point of the canvas
+
+- `cy`:（v0.6.4+）Zoom to the specified position on the canvas, default to the center point of the canvas
 
 Zoom in
 
@@ -56,8 +64,12 @@ Get the current transform data, can be used for display
 Dynamically set transform data, transform data can be obtained through the
 getTransformData method"
 
-### setScale(scale)
+### setScale(scale, cx, cy)
 
 > v0.2.17+
 
+- `cx`:（v0.6.4+）Zoom to the specified position on the canvas, default to the center point of the canvas
+
+- `cy`:（v0.6.4+）Zoom to the specified position on the canvas, default to the center point of the canvas
+
 Setting Zoom
\ No newline at end of file
diff --git a/web/src/pages/Doc/en/view/index.vue b/web/src/pages/Doc/en/view/index.vue
index 085f4f1e..8697288c 100644
--- a/web/src/pages/Doc/en/view/index.vue
+++ b/web/src/pages/Doc/en/view/index.vue
@@ -25,9 +25,25 @@ through <code>mindMap.view</code></p>
 <p>Translate the <code>y</code> direction to a specific position</p>
 <h3>reset()</h3>
 <p>Revert to the default transformation</p>
-<h3>narrow()</h3>
+<h3>narrow(cx, cy)</h3>
+<ul>
+<li>
+<p><code>cx</code>:（v0.6.4+）Zoom to the specified position on the canvas, default to the center point of the canvas</p>
+</li>
+<li>
+<p><code>cy</code>:（v0.6.4+）Zoom to the specified position on the canvas, default to the center point of the canvas</p>
+</li>
+</ul>
 <p>Zoom out</p>
-<h3>enlarge()</h3>
+<h3>enlarge(cx, cy)</h3>
+<ul>
+<li>
+<p><code>cx</code>:（v0.6.4+）Zoom to the specified position on the canvas, default to the center point of the canvas</p>
+</li>
+<li>
+<p><code>cy</code>:（v0.6.4+）Zoom to the specified position on the canvas, default to the center point of the canvas</p>
+</li>
+</ul>
 <p>Zoom in</p>
 <h3>getTransformData()</h3>
 <blockquote>
@@ -40,10 +56,18 @@ through <code>mindMap.view</code></p>
 </blockquote>
 <p>Dynamically set transform data, transform data can be obtained through the
 getTransformData method&quot;</p>
-<h3>setScale(scale)</h3>
+<h3>setScale(scale, cx, cy)</h3>
 <blockquote>
 <p>v0.2.17+</p>
 </blockquote>
+<ul>
+<li>
+<p><code>cx</code>:（v0.6.4+）Zoom to the specified position on the canvas, default to the center point of the canvas</p>
+</li>
+<li>
+<p><code>cy</code>:（v0.6.4+）Zoom to the specified position on the canvas, default to the center point of the canvas</p>
+</li>
+</ul>
 <p>Setting Zoom</p>
 
   </div>
diff --git a/web/src/pages/Doc/zh/changelog/index.md b/web/src/pages/Doc/zh/changelog/index.md
index d4a8c535..ce874931 100644
--- a/web/src/pages/Doc/zh/changelog/index.md
+++ b/web/src/pages/Doc/zh/changelog/index.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## 0.6.4
+
+新增：1.默认以画布中心点进行缩放。 2.优化移动端双指缩放，以双指中心位置为中心点进行缩放。
+
 ## 0.6.3
 
 修复：1.修复概要节点会响应插入节点快捷键的问题。
diff --git a/web/src/pages/Doc/zh/changelog/index.vue b/web/src/pages/Doc/zh/changelog/index.vue
index b47cd835..bdc57d8c 100644
--- a/web/src/pages/Doc/zh/changelog/index.vue
+++ b/web/src/pages/Doc/zh/changelog/index.vue
@@ -1,6 +1,8 @@
 <template>
   <div>
     <h1>Changelog</h1>
+<h2>0.6.4</h2>
+<p>新增：1.默认以画布中心点进行缩放。 2.优化移动端双指缩放，以双指中心位置为中心点进行缩放。</p>
 <h2>0.6.3</h2>
 <p>修复：1.修复概要节点会响应插入节点快捷键的问题。</p>
 <p>新增：1.支持自定义节点内容。</p>
diff --git a/web/src/pages/Doc/zh/view/index.md b/web/src/pages/Doc/zh/view/index.md
index 218b318c..d583bfdf 100644
--- a/web/src/pages/Doc/zh/view/index.md
+++ b/web/src/pages/Doc/zh/view/index.md
@@ -34,11 +34,19 @@
 
 恢复到默认的变换
 
-### narrow()
+### narrow(cx, cy)
+
+- `cx`：（v0.6.4+）以画布指定位置进行缩放，默认为画布中心点
+
+- `cy`：（v0.6.4+）以画布指定位置进行缩放，默认为画布中心点
 
 缩小
 
-### enlarge()
+### enlarge(cx, cy)
+
+- `cx`：（v0.6.4+）以画布指定位置进行缩放，默认为画布中心点
+
+- `cy`：（v0.6.4+）以画布指定位置进行缩放，默认为画布中心点
 
 放大
 
@@ -54,8 +62,13 @@
 
 动态设置变换数据，可以通过getTransformData方法获取变换数据
 
-### setScale(scale)
+### setScale(scale, cx, cy)
 
 > v0.2.17+
 
-设置缩放
\ No newline at end of file
+- `cx`：（v0.6.4+）以画布指定位置进行缩放，默认为画布中心点
+
+- `cy`：（v0.6.4+）以画布指定位置进行缩放，默认为画布中心点
+
+设置缩放
+
diff --git a/web/src/pages/Doc/zh/view/index.vue b/web/src/pages/Doc/zh/view/index.vue
index d994036a..00eff542 100644
--- a/web/src/pages/Doc/zh/view/index.vue
+++ b/web/src/pages/Doc/zh/view/index.vue
@@ -24,9 +24,25 @@
 <p>平移<code>y</code>方向到指定位置</p>
 <h3>reset()</h3>
 <p>恢复到默认的变换</p>
-<h3>narrow()</h3>
+<h3>narrow(cx, cy)</h3>
+<ul>
+<li>
+<p><code>cx</code>：（v0.6.4+）以画布指定位置进行缩放，默认为画布中心点</p>
+</li>
+<li>
+<p><code>cy</code>：（v0.6.4+）以画布指定位置进行缩放，默认为画布中心点</p>
+</li>
+</ul>
 <p>缩小</p>
-<h3>enlarge()</h3>
+<h3>enlarge(cx, cy)</h3>
+<ul>
+<li>
+<p><code>cx</code>：（v0.6.4+）以画布指定位置进行缩放，默认为画布中心点</p>
+</li>
+<li>
+<p><code>cy</code>：（v0.6.4+）以画布指定位置进行缩放，默认为画布中心点</p>
+</li>
+</ul>
 <p>放大</p>
 <h3>getTransformData()</h3>
 <blockquote>
@@ -38,10 +54,18 @@
 <p>v0.1.1+</p>
 </blockquote>
 <p>动态设置变换数据，可以通过getTransformData方法获取变换数据</p>
-<h3>setScale(scale)</h3>
+<h3>setScale(scale, cx, cy)</h3>
 <blockquote>
 <p>v0.2.17+</p>
 </blockquote>
+<ul>
+<li>
+<p><code>cx</code>：（v0.6.4+）以画布指定位置进行缩放，默认为画布中心点</p>
+</li>
+<li>
+<p><code>cy</code>：（v0.6.4+）以画布指定位置进行缩放，默认为画布中心点</p>
+</li>
+</ul>
 <p>设置缩放</p>
 
   </div>