diff --git a/examples/code.html b/examples/code.html
index b3b30490..d4e40e65 100644
--- a/examples/code.html
+++ b/examples/code.html
@@ -116,6 +116,8 @@ layui.use('code', function(){
   // 通用实例，根据元素属性定制化参数
   layui.code({
     //about: 'code' // 右上角默认显示 code
+    tools: ['tips'],
+    preview: true
   });
 
   // custom more about