diff --git a/15lanqiao/test6.cpp b/15lanqiao/test6.cpp
index 786880a..eb87ef6 100644
--- a/15lanqiao/test6.cpp
+++ b/15lanqiao/test6.cpp
@@ -1,4 +1,4 @@
-// lanqiao 19711 数字接龙
+// lanqiao 19712 数字接龙
 #include<bits/stdc++.h>
 using namespace std;
 const int N = 20;