diff --git a/sources/tech/20190319 Blockchain 2.0- Blockchain In Real Estate -Part 4.md b/sources/tech/20190319 Blockchain 2.0- Blockchain In Real Estate -Part 4.md
index 56f8b8d8c1..9e85b82f2c 100644
--- a/sources/tech/20190319 Blockchain 2.0- Blockchain In Real Estate -Part 4.md	
+++ b/sources/tech/20190319 Blockchain 2.0- Blockchain In Real Estate -Part 4.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: (sanfusu)
+[#]: translator: ( )
 [#]: reviewer: ( )
 [#]: publisher: ( )
 [#]: url: ( )