diff --git a/contributors.txt b/contributors.txt
index 4fbbe15db..6fc29ef35 100644
--- a/contributors.txt
+++ b/contributors.txt
@@ -227,4 +227,5 @@ YYYY/MM/DD, github id, Full name, email
 2019/09/10, yar3333, Yaroslav Sivakov, yar3333@gmail.com
 2019/09/10, marcospassos, Marcos Passos, marcospassos.com@gmail.com
 2019/09/10, amorimjuliana, Juliana Amorim, juu.amorim@gmail.com
-2019/09/17, kaz, Kazuki Sawada, kazuki@6715.jp
\ No newline at end of file
+2019/09/17, kaz, Kazuki Sawada, kazuki@6715.jp
+2019/09/28, lmy269, Mingyang Liu, lmy040758@gmail.com
\ No newline at end of file