diff --git a/sources/tech/20161221 Living Android without Kotlin.md b/sources/tech/20161221 Living Android without Kotlin.md
index b22696131d..3371425f9a 100644
--- a/sources/tech/20161221 Living Android without Kotlin.md	
+++ b/sources/tech/20161221 Living Android without Kotlin.md	
@@ -1,3 +1,4 @@
+Translating by DockerChen
 Living (Android) without Kotlin
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