diff --git a/sources/tech/20191211 Enable your Python game player to run forward and backward.md b/sources/tech/20191211 Enable your Python game player to run forward and backward.md
index fb9b020278..bde74f1526 100644
--- a/sources/tech/20191211 Enable your Python game player to run forward and backward.md	
+++ b/sources/tech/20191211 Enable your Python game player to run forward and backward.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: ( )
+[#]: translator: (robsean)
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )