diff --git a/build/MDEditor.min.js b/build/MDEditor.min.js
index 8f93e70..859898b 100644
--- a/build/MDEditor.min.js
+++ b/build/MDEditor.min.js
@@ -890,8 +890,10 @@
     }
     MDEditor.prototype.load = function() {
         var self = this, box = self.obj[0], index = 0;
-        if (self.obj.length > 0) box.appendChild(self.preview), box.appendChild(self.tools), 
-        box.appendChild(self.textarea);
+        if (box) {
+            if (box.innerHTML !== "") self.opts.value = box.innerHTML, box.innerHTML = "";
+            box.appendChild(self.preview), box.appendChild(self.tools), box.appendChild(self.textarea);
+        }
         self.setMD();
         addEvent(self.btn_preview, "click", function(event) {
             index = parseInt(self.preview.style.zIndex);
diff --git a/lib/MDEditor.js b/lib/MDEditor.js
index 0df2bc1..a2c1ecd 100644
--- a/lib/MDEditor.js
+++ b/lib/MDEditor.js
@@ -118,7 +118,7 @@
                 id:"#mdeditor",
                 minheight:200,
                 maxheight:500,
-                value:"",
+                value:"",//markdown
                 themes:""
             };
         
@@ -143,10 +143,13 @@
     MDEditor.prototype.load = function(){
         var self = this,box = self.obj[0],index=0;
 
-        if(self.obj.length>0) box.appendChild(self.preview),
+        if(box) {
+            if(box.innerHTML!=="") self.opts.value = box.innerHTML,
+                box.innerHTML='';
+            box.appendChild(self.preview),
             box.appendChild(self.tools),
             box.appendChild(self.textarea);
-
+        }
         self.setMD();
 
         addEvent(self.btn_preview,'click', function(event) {