diff --git a/public/assets/kindeditor/plugins/less/less.js b/public/assets/kindeditor/plugins/less/less.js
new file mode 100644
index 000000000..b24d31723
--- /dev/null
+++ b/public/assets/kindeditor/plugins/less/less.js
@@ -0,0 +1,15 @@
+KindEditor.plugin('less', function(K) {
+    var self = this, name = 'less';
+    self.plugin.less = {
+        click : function(){
+            if($("#define").css('display') == 'block'){
+                $("#define").css('display','none')
+                $("#full").css('display','block')
+            }else if($("#full").css('display') == 'block'){
+                $("#full").css('display','none')
+                $("#define").css('display','block')
+            }
+        }
+    }
+    self.clickToolbar(name,self.plugin.less.click)
+});
\ No newline at end of file