diff --git a/docs/en/2.options.md b/docs/en/2.options.md
index 9ec3c6b3..dff7eb4d 100644
--- a/docs/en/2.options.md
+++ b/docs/en/2.options.md
@@ -151,6 +151,15 @@ These options are described in more detail below.
 > * `hidden` - Hide part of them to maintain the overall readability of the mind map [default]
 > * `wrap` - Wrap the text to display the entire content
 
+**view.zoom** : (object) zoom setting (since 0.6.3)
+> * min -  minimum zoom ratio，default 0.5
+> * max - maximum zoom ratio, default 2.1
+> * step - interval of zoom ratio, default 0.1
+
+**view.custom_node_render** : (function) custom rendering method for node (since 0.7.6)
+
+> The option can be used to change the default rendering logic of jsMind. The value of this option is a function, whose signature is `function (jm, element, node): boolean`. Its return value is used to indicate whether the node has been rendered. If it returns `true`, jsMind won't render the node again, otherwise, jsMind will render the node in the default way.
+
 **layout.hspace** : horizontal distance (pixels) between (number) nodes  
 **layout.vspace** : vertical spacing (pixels) between (number) nodes
 
diff --git a/docs/zh/2.options.md b/docs/zh/2.options.md
index bb55677b..7fb10b01 100644
--- a/docs/zh/2.options.md
+++ b/docs/zh/2.options.md
@@ -42,6 +42,12 @@ options = {
        draggable: false,   // 当容器不能完全容纳思维导图时，是否允许拖动画布代替鼠标滚动
        hide_scrollbars_when_draggable: false, // 当设置 draggable = true 时，是否隐藏滚动条
        node_overflow: 'hidden' // 节点文本过长时的样式
+       zoom: {             // 配置缩放
+           min: 0.5,       // 最小的缩放比例
+           max: 2.1,       // 最大的缩放比例
+           step: 0.1,      // 缩放比例间隔
+       },
+       custom_node_render: null, // 自定义的节点渲染方法
    },
    layout:{
        hspace:30,          // 节点之间的水平间距
@@ -150,6 +156,15 @@ options = {
 > * `hidden` - 隐藏部分文本以保持脑图的整体易读性 [默认值]
 > * `wrap` - 对文本进行换行，以展示全部文本内容
 
+**view.zoom** : (object) 脑图缩放配置 (0.6.3 及以上版本支持)
+> * min -  最小的缩放比例，默认 0.5
+> * max - 最大的缩放比例，默认 2.1
+> * step - 缩放比例间隔，默认 0.1
+
+**view.custom_node_render** : (function) 脑图节点的自定义渲染方法 (0.7.6 及以上版本支持)
+
+> 此选项可用于修改 jsMind 默认的渲染逻辑，此参数为一个 javascript 方法，其方法签名为 `function (jm, element, node): boolean `。其返回值用于表示是否已经对此节点进行了渲染，如果返回 `true`, jsMind 将不会再次渲染此节点；如果返回 false, jsMind 将使用默认渲染逻辑对此节点进行渲染。
+
 **layout.hspace** : (number) 节点之间的水平间距（像素）  
 **layout.vspace** : (number) 节点之间的垂直间距（像素）
 
diff --git a/src/jsmind.js b/src/jsmind.js
index a6a527d0..577aba11 100644
--- a/src/jsmind.js
+++ b/src/jsmind.js
@@ -65,6 +65,7 @@ export default class jsMind {
             hide_scrollbars_when_draggable: this.options.view.hide_scrollbars_when_draggable,
             node_overflow: this.options.view.node_overflow,
             zoom: this.options.view.zoom,
+            custom_node_render: this.options.view.custom_node_render,
         };
         // create instance of function provider
         this.data = new DataProvider(this);
diff --git a/src/jsmind.option.js b/src/jsmind.option.js
index 03b2227c..95b55a6e 100644
--- a/src/jsmind.option.js
+++ b/src/jsmind.option.js
@@ -31,6 +31,7 @@ const default_options = {
             max: 2.1,
             step: 0.1,
         },
+        custom_node_render: null,
     },
     layout: {
         hspace: 30,
diff --git a/src/jsmind.view_provider.js b/src/jsmind.view_provider.js
index 2462890b..d3761213 100644
--- a/src/jsmind.view_provider.js
+++ b/src/jsmind.view_provider.js
@@ -26,6 +26,9 @@ export class ViewProvider {
         this.editing_node = null;
 
         this.graph = null;
+        this.render_node = !!options.custom_node_render
+            ? this._custom_node_render
+            : this._default_node_render;
         this._initialized = false;
     }
     init() {
@@ -185,11 +188,7 @@ export class ViewProvider {
             view_data.expander = d_e;
         }
         if (!!node.topic) {
-            if (this.opts.support_html) {
-                $.h(d, node.topic);
-            } else {
-                $.t(d, node.topic);
-            }
+            this.render_node(d, node);
         }
         d.setAttribute('nodeid', node.id);
         d.style.visibility = 'hidden';
@@ -224,11 +223,7 @@ export class ViewProvider {
         var view_data = node._data.view;
         var element = view_data.element;
         if (!!node.topic) {
-            if (this.opts.support_html) {
-                $.h(element, node.topic);
-            } else {
-                $.t(element, node.topic);
-            }
+            this.render_node(element, node);
         }
         if (this.layout.is_visible(node)) {
             view_data.width = element.clientWidth;
@@ -297,11 +292,7 @@ export class ViewProvider {
             element.style.zIndex = 'auto';
             element.removeChild(this.e_editor);
             if (util.text.is_empty(topic) || node.topic === topic) {
-                if (this.opts.support_html) {
-                    $.h(element, node.topic);
-                } else {
-                    $.t(element, node.topic);
-                }
+                this.render_node(element, node);
             } else {
                 this.jm.update_node(node.id, topic);
             }
@@ -448,6 +439,19 @@ export class ViewProvider {
             }
         }
     }
+    _default_node_render(ele, node) {
+        if (this.opts.support_html) {
+            $.h(ele, node.topic);
+        } else {
+            $.t(ele, node.topic);
+        }
+    }
+    _custom_node_render(ele, node) {
+        let rendered = this.opts.custom_node_render(this.jm, ele, node);
+        if (!rendered) {
+            this._default_node_render(ele, node);
+        }
+    }
     reset_node_custom_style(node) {
         this._reset_node_custom_style(node._data.view.element, node.data);
     }