diff --git a/sources/tech/20190715 Understanding software design patterns.md b/sources/tech/20190715 Understanding software design patterns.md
index 347fe5011b..4e17faf1dd 100644
--- a/sources/tech/20190715 Understanding software design patterns.md	
+++ b/sources/tech/20190715 Understanding software design patterns.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: ( )
+[#]: translator: (arrowfeng)
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )