diff --git a/sources/tech/20180705 Building a Messenger App- Schema.md b/sources/tech/20180705 Building a Messenger App- Schema.md
index 39b9bf97c2..e2c80f0013 100644
--- a/sources/tech/20180705 Building a Messenger App- Schema.md	
+++ b/sources/tech/20180705 Building a Messenger App- Schema.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: ( )
+[#]: translator: (PsiACE)
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )