diff --git a/14lanqiao/test4.cpp b/14lanqiao/test4.cpp
index f028207..5c66245 100644
--- a/14lanqiao/test4.cpp
+++ b/14lanqiao/test4.cpp
@@ -1,3 +1,4 @@
+// lanqiao3511 飞机降落
 #include<bits/stdc++.h>
 using namespace std;
 const int N = 1e2 + 10;