diff --git a/sources/tech/20190422 9 ways to save the planet.md b/sources/tech/20190422 9 ways to save the planet.md
index d3301006cc..a448fa7660 100644
--- a/sources/tech/20190422 9 ways to save the planet.md	
+++ b/sources/tech/20190422 9 ways to save the planet.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: ( )
+[#]: translator: (MFGJT)
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )