diff --git a/warm_up.txt b/warm_up.txt
index 2d65b22f0274b6d869e261a0422e50c1bf865692..10f39dfc39959fba38cab41cada17678d5cd9401 100644
--- a/warm_up.txt
+++ b/warm_up.txt
@@ -1 +1 @@
-欢迎您加入编译原理课程学习！
\ No newline at end of file
+欢迎您加入编译原理课程学习！