diff --git a/sources/talk/20200421 How underwater Internet of Things will work.md b/sources/talk/20200421 How underwater Internet of Things will work.md
index a06575ff29..16503a8143 100644
--- a/sources/talk/20200421 How underwater Internet of Things will work.md	
+++ b/sources/talk/20200421 How underwater Internet of Things will work.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: (CN-QUAN)
+[#]: translator: ( )
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )