diff --git a/sources/talk/20190222 Developer happiness- What you need to know.md b/sources/talk/20190222 Developer happiness- What you need to know.md
index 8ef7772193..4a6d8516e2 100644
--- a/sources/talk/20190222 Developer happiness- What you need to know.md	
+++ b/sources/talk/20190222 Developer happiness- What you need to know.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: ( )
+[#]: translator: (chenmu-kk)
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )