diff --git a/sources/tech/20191018 How to use Protobuf for data interchange.md b/sources/tech/20191018 How to use Protobuf for data interchange.md
index 4de9e2120a..76cb47c5cd 100644
--- a/sources/tech/20191018 How to use Protobuf for data interchange.md	
+++ b/sources/tech/20191018 How to use Protobuf for data interchange.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: ( )
+[#]: translator: (wxy)
 [#]: reviewer: ( )
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