diff --git a/LICENSE b/LICENSE
index 3aa0d8d7..709e6fbf 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,8 +1,8 @@
 The MIT License (MIT)
 
 Copyright (c) 2018 LIUZHICHAO.COM
-Copyright (c) 2019 DILLONZQ.COM
-Copyright (c) 2021 LRUIHAO.CN
+Copyright (c) 2019-2020 DILLONZQ.COM
+Copyright (c) 2021-2022 LRUIHAO.CN
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in