diff --git a/sources/talk/20191031 A Bird-s Eye View of Big Data for Enterprises.md b/sources/talk/20191031 A Bird-s Eye View of Big Data for Enterprises.md
index 23db96ce3d..c62169b830 100644
--- a/sources/talk/20191031 A Bird-s Eye View of Big Data for Enterprises.md	
+++ b/sources/talk/20191031 A Bird-s Eye View of Big Data for Enterprises.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: (chai-yuan)
+[#]: translator: ( )
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )