diff --git a/DCO.txt b/DCO.txt
index b3e5605c27efbed8535d5692d3bfe87153ac36a1..676a9d0138f25782fe8f429932fc045e06f13caf 100644
--- a/DCO.txt
+++ b/DCO.txt
@@ -14,7 +14,10 @@ San Francisco, CA, 94129
 
 Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed.
 任何人均可复制和分发本许可文件副本，但不得修改。
-***************************************************
+************************
+
+
+test***************************
 
 Developer's Certificate of Origin 1.1
 开发者原创声明（第1.1版）