diff --git a/sources/tech/20190401 What is 5G- How is it better than 4G.md b/sources/tech/20190401 What is 5G- How is it better than 4G.md
index f4ad51b8ae..a5472f9e6e 100644
--- a/sources/tech/20190401 What is 5G- How is it better than 4G.md	
+++ b/sources/tech/20190401 What is 5G- How is it better than 4G.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: ( )
+[#]: translator: (warmfrog)
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )