diff --git a/examples/routers/table.vue b/examples/routers/table.vue
index 3a1ac41c..6f52f0c1 100644
--- a/examples/routers/table.vue
+++ b/examples/routers/table.vue
@@ -89,7 +89,8 @@
                     {
                         name: '李小红',
                         age: 30,
-                        address: '上海市浦东新区世纪大道'
+                        address: '上海市浦东新区世纪大道',
+                        _expanded: true
                     },
                     {
                         name: '周小伟',