diff --git a/uidoc/detailed/combo/multilayer_select_tree_combo.md b/uidoc/detailed/combo/multilayer_select_tree_combo.md
index 958e74c1b..ad832c4a8 100644
--- a/uidoc/detailed/combo/multilayer_select_tree_combo.md
+++ b/uidoc/detailed/combo/multilayer_select_tree_combo.md
@@ -3,7 +3,7 @@
 ### 多层级下拉可选节点树
 
 {% method %}
-[source](https://jsfiddle.net/fineui/conjw6dL/)
+[source](https://jsfiddle.net/fineui/ryo1cnrL/)
 
 {% common %}
 ```javascript