diff --git a/simple-mind-map/src/core/render/node/Node.js b/simple-mind-map/src/core/render/node/Node.js
index 9c0c8910..e3fb06b0 100644
--- a/simple-mind-map/src/core/render/node/Node.js
+++ b/simple-mind-map/src/core/render/node/Node.js
@@ -388,7 +388,7 @@ class Node {
       if (this.isRoot && e.which === 3 && !this.mindMap.opt.readonly) {
         e.stopPropagation()
       }
-      if (!this.isRoot && !this.mindMap.opt.readonly) {
+      if (!this.isRoot && e.which !== 2 && !this.mindMap.opt.readonly) {
         e.stopPropagation()
       }
       // 多选和取消多选
@@ -414,7 +414,7 @@ class Node {
       this.mindMap.emit('node_mousedown', this, e)
     })
     this.group.on('mouseup', e => {
-      if (!this.isRoot && !this.mindMap.opt.readonly) {
+      if (!this.isRoot && e.which !== 2 && !this.mindMap.opt.readonly) {
         e.stopPropagation()
       }
       this.mindMap.emit('node_mouseup', this, e)
diff --git a/simple-mind-map/src/plugins/RichText.js b/simple-mind-map/src/plugins/RichText.js
index 1a640b2e..48140620 100644
--- a/simple-mind-map/src/plugins/RichText.js
+++ b/simple-mind-map/src/plugins/RichText.js
@@ -163,7 +163,7 @@ class RichText {
     let scaleX = rect.width / originWidth
     let scaleY = rect.height / originHeight
     // 内边距
-    const paddingX = 6
+    const paddingX = 14
     const paddingY = 4
     if (!this.textEditNode) {
       this.textEditNode = document.createElement('div')
@@ -195,6 +195,11 @@ class RichText {
       this.mindMap.opt.textAutoWrapWidth + paddingX * 2 + 'px'
     this.textEditNode.style.transform = `scale(${scaleX}, ${scaleY})`
     this.textEditNode.style.transformOrigin = 'left top'
+    this.textEditNode.style.borderRadius = (node.style.merge('borderRadius') || 5) + 'px'
+    if(node.style.merge('shape') == 'roundedRectangle'){
+      this.textEditNode.style.borderRadius = '50px';
+    }
+	
     if (!node.nodeData.data.richText) {
       // 还不是富文本的情况
       let text = node.nodeData.data.text.split(/\n/gim).join('<br>')
diff --git a/simple-mind-map/src/plugins/TouchEvent.js b/simple-mind-map/src/plugins/TouchEvent.js
index ea8681b4..1d297820 100644
--- a/simple-mind-map/src/plugins/TouchEvent.js
+++ b/simple-mind-map/src/plugins/TouchEvent.js
@@ -33,6 +33,7 @@ class TouchEvent {
   // 手指按下事件
   onTouchstart(e) {
     this.touchesNum = e.touches.length
+    this.touchScaleViewBefore = false;
     if (this.touchesNum === 1) {
       let touch = e.touches[0]
       this.singleTouchstartEvent = touch
@@ -57,14 +58,23 @@ class TouchEvent {
       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, true)
-      } else {
-        // 缩小
-        this.mindMap.view.narrow(cx, cy, true)
+      
+      // 手势缩放,基于最开始的位置进行缩放(基于前一个位置缩放不是线性关系); 缩放同时支持位置拖动
+      var view = this.mindMap.view;
+      if(!this.touchScaleViewBefore){
+        this.touchScaleViewBefore = {distance:distance,scale:view.scale,x:view.x,y:view.y,cx:cx,cy:cy};
+        return;
       }
-      this.doubleTouchmoveDistance = distance
+	  
+	  var viewBefore = this.touchScaleViewBefore;
+      var scale = viewBefore.scale * (distance / viewBefore.distance);
+      if(Math.abs(distance - viewBefore.distance) <= 10){scale = viewBefore.scale;}
+      var ratio = (1 - scale / viewBefore.scale);
+      view.scale = scale < 0.1 ? 0.1 : scale;
+      view.x = viewBefore.x + (cx - viewBefore.x) * ratio + (cx - viewBefore.cx)*scale;
+      view.y = viewBefore.y + (cy - viewBefore.y) * ratio + (cy - viewBefore.cy)*scale;
+      view.transform();
+      this.mindMap.emit('scale',scale);
     }
   }
 
@@ -92,6 +102,7 @@ class TouchEvent {
     this.touchesNum = 0
     this.singleTouchstartEvent = null
     this.doubleTouchmoveDistance = 0
+    this.touchScaleViewBefore = null;
   }
 
   // 发送鼠标事件