diff --git a/docs/laytpl/detail/demo.md b/docs/laytpl/detail/demo.md
index bc10d1a9..bb77a7a0 100644
--- a/docs/laytpl/detail/demo.md
+++ b/docs/laytpl/detail/demo.md
@@ -1,4 +1,4 @@
-<pre class="layui-code" lay-options="{preview: true, layout: ['preview'], tools: ['full']}">
+<pre class="layui-code" lay-options="{preview: true, layout: ['preview'], copy: false, tools: ['full'], addTools: null}">
   <textarea>
 {{!
 <style>
@@ -132,4 +132,4 @@ layui.use(function(){
 </script>
 !}}
   </textarea>
-</pre>
\ No newline at end of file
+</pre>