diff --git a/666.txt b/666.txt
index 10bda51..d8ba862 100644
--- a/666.txt
+++ b/666.txt
@@ -1,2 +1,3 @@
 hello world
 hello world
+disanhangceshi
diff --git a/hello.c b/hello.c
new file mode 100644
index 0000000..90b04e0
--- /dev/null
+++ b/hello.c
@@ -0,0 +1 @@
+printf(hello world);