diff --git a/sources/tech/20180723 Setting Up a Timer with systemd in Linux.md b/sources/tech/20180723 Setting Up a Timer with systemd in Linux.md
index 27841dec61..1718f4fbde 100644
--- a/sources/tech/20180723 Setting Up a Timer with systemd in Linux.md	
+++ b/sources/tech/20180723 Setting Up a Timer with systemd in Linux.md	
@@ -1,3 +1,4 @@
+LuuMing translating
 Setting Up a Timer with systemd in Linux
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