diff --git a/hutool-core/src/main/java/cn/hutool/core/tree/BeanTree.java b/hutool-core/src/main/java/cn/hutool/core/tree/BeanTree.java
index 7c3befe35..247776753 100644
--- a/hutool-core/src/main/java/cn/hutool/core/tree/BeanTree.java
+++ b/hutool-core/src/main/java/cn/hutool/core/tree/BeanTree.java
@@ -1,6 +1,7 @@
 package cn.hutool.core.tree;
 
 import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.lang.Assert;
 import cn.hutool.core.collection.ListUtil;
 import cn.hutool.core.lang.Opt;
 import cn.hutool.core.lang.func.*;