diff --git a/build/MDEditor.min.js b/build/MDEditor.min.js
index 95d4a3e..5ade662 100644
--- a/build/MDEditor.min.js
+++ b/build/MDEditor.min.js
@@ -913,10 +913,10 @@
         css(self.preview, {
             height: self.textarea.offsetHeight + "px"
         });
-        addEvent(self.textarea, "input", function(event) {
-            if (this.scrollHeight < self.opts.maxheight) {
+        valueChange = function(obj, event) {
+            if (obj.scrollHeight < self.opts.maxheight) {
                 css(self.textarea, {
-                    height: this.scrollHeight + "px",
+                    height: obj.scrollHeight + "px",
                     overflow: "hidden"
                 });
             } else {
@@ -928,8 +928,14 @@
             css(self.preview, {
                 height: self.textarea.offsetHeight + "px"
             });
-            self.opts.value = this.value;
+            self.opts.value = obj.value;
             self.callback(event, self.opts);
+        };
+        addEvent(self.textarea, "input", function(event) {
+            valueChange(this, event);
+        });
+        addEvent(self.textarea, "propertychange", function(event) {
+            valueChange(this, event);
         });
         return this;
     };
diff --git a/lib/MDEditor.js b/lib/MDEditor.js
index 886690c..9b05468 100644
--- a/lib/MDEditor.js
+++ b/lib/MDEditor.js
@@ -170,11 +170,10 @@
 
         css(self.preview,{'height':self.textarea.offsetHeight + "px"});
 
-        //实时监听输入框值变化 HTML5事件
-        addEvent(self.textarea,'input', function(event) {
-            if(this.scrollHeight<self.opts.maxheight){
+        valueChange = function(obj,event){
+            if(obj.scrollHeight<self.opts.maxheight){
                 css(self.textarea,{
-                    'height':this.scrollHeight + "px",
+                    'height':obj.scrollHeight + "px",
                     'overflow':"hidden"
                 });
             }else{
@@ -184,8 +183,16 @@
                 });
             }
             css(self.preview,{'height':self.textarea.offsetHeight  + "px"});
-            self.opts.value = this.value
+            self.opts.value = obj.value
             self.callback(event,self.opts)
+        }
+
+        //实时监听输入框值变化 HTML5事件
+        addEvent(self.textarea,'input', function(event) {
+            valueChange(this,event)
+        });
+        addEvent(self.textarea,'propertychange', function(event) {
+            valueChange(this,event)
         });
         return this;
     }