diff --git a/sources/talk/20190131 OOP Before OOP with Simula.md b/sources/talk/20190131 OOP Before OOP with Simula.md
index cae9d9bd3a..aca160ad2d 100644
--- a/sources/talk/20190131 OOP Before OOP with Simula.md	
+++ b/sources/talk/20190131 OOP Before OOP with Simula.md	
@@ -1,5 +1,5 @@
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-[#]: translator: ( )
+[#]: translator: (warmfrog)
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diff --git a/sources/tech/20190411 How do you contribute to open source without code.md b/sources/tech/20190411 How do you contribute to open source without code.md
index 659fd9064e..40c2a89842 100644
--- a/sources/tech/20190411 How do you contribute to open source without code.md	
+++ b/sources/tech/20190411 How do you contribute to open source without code.md	
@@ -1,5 +1,5 @@
 [#]: collector: (lujun9972)
-[#]: translator: ( )
+[#]: translator: (warmfrog)
 [#]: reviewer: ( )
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 [#]: url: ( )