diff --git a/sources/tech/20181029 4 open source Android email clients.md b/sources/tech/20181029 4 open source Android email clients.md
index 8e241638dd..82e5e5bf29 100644
--- a/sources/tech/20181029 4 open source Android email clients.md	
+++ b/sources/tech/20181029 4 open source Android email clients.md	
@@ -1,3 +1,4 @@
+[zianglei翻译中]
 4 open source Android email clients
 ======
 Email is not on its deathbed, but most of it happens on mobile devices now.