diff --git a/14lanqiao/test2.cpp b/14lanqiao/test2.cpp
index 3b943d9..344194c 100644
--- a/14lanqiao/test2.cpp
+++ b/14lanqiao/test2.cpp
@@ -1,3 +1,4 @@
+// lanqiao3498 串的熵
 #include<bits/stdc++.h>
 using namespace std;
 int main(){