diff --git a/LICENSE b/LICENSE
index 5cc318f..f1a3303 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2024, Ying Shaodong
+Copyright (c) 2021-2024, Ying Shaodong
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/README.md b/README.md
index 54661b8..55d54bc 100644
--- a/README.md
+++ b/README.md
@@ -317,4 +317,4 @@ Thanks to Max Brueggemann and Oliver Wagner for their great work.
 
 ## License
 
-MIT © [helloysd](helloysd@gmail.com)
+MIT © 2021-2024, Ying Shaodong