diff --git a/examples/sites/demos/apis/popeditor.js b/examples/sites/demos/apis/popeditor.js
index 2c8e9e4c0..7abfe54ad 100644
--- a/examples/sites/demos/apis/popeditor.js
+++ b/examples/sites/demos/apis/popeditor.js
@@ -164,7 +164,7 @@ export default {
         },
         {
           name: 'popseletor',
-          type: 'string',
+          type: `'grid' | 'tree'`,
           defaultValue: `'grid'`,
           desc: {
             'zh-CN': '设置弹出面板中可显示的树或者表格组件',