diff --git a/sources/tech/20190521 How to Disable IPv6 on Ubuntu Linux.md b/sources/tech/20190521 How to Disable IPv6 on Ubuntu Linux.md
index d25298583c..4420b034e6 100644
--- a/sources/tech/20190521 How to Disable IPv6 on Ubuntu Linux.md	
+++ b/sources/tech/20190521 How to Disable IPv6 on Ubuntu Linux.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: (arrowfeng)
+[#]: translator: ( )
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )