diff --git a/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/LawsTreeNodeServiceImpl.java b/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/LawsTreeNodeServiceImpl.java
index 293fb37a..0fc160cd 100644
--- a/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/LawsTreeNodeServiceImpl.java
+++ b/laws-modules/src/main/java/com/jero/modules/laws/standard/service/impl/LawsTreeNodeServiceImpl.java
@@ -252,7 +252,7 @@ public class LawsTreeNodeServiceImpl extends ServiceImpl<LawsTreeNodeMapper, Law
         List<LawsTreeNode> list = this.list();
         for (LawsTreeNode node : list) {
             String nodeCode = node.getNodeCode();
-            String order = nodeCode.substring(nodeCode.length() - 1);
+            String order = nodeCode.substring(nodeCode.length() - 2);
             node.setNodeOrder(Double.valueOf(order));
             this.updateById(node);
         }