diff --git a/codes/go/chapter_tree/binary_search_tree_test.go b/codes/go/chapter_tree/binary_search_tree_test.go
index 0d0369a7..d98e5d66 100644
--- a/codes/go/chapter_tree/binary_search_tree_test.go
+++ b/codes/go/chapter_tree/binary_search_tree_test.go
@@ -23,7 +23,7 @@ func TestBinarySearchTree(t *testing.T) {
 	fmt.Println("二叉树的最小结点为:", node.Val)
 
 	// 查找结点
-	node = bst.Search(5)
+	node = bst.Search(7)
 	fmt.Println("查找到的结点对象为", node, "，结点值 =", node.Val)
 
 	// 插入结点