diff --git a/readme.md b/readme.md
index 58f2a4b..3aeb9f5 100644
--- a/readme.md
+++ b/readme.md
@@ -1,3 +1,3 @@
 # 通用流程
 - 复制自启动文件
-    -- sudo cp xxxx.service /etc/systemd/system/
+    - sudo cp xxxx.service /etc/systemd/system/