update copyright info.

yanglb · yanglb · commit 9d11f99c4c14 · 2022-12-26T12:57:33.000+08:00
diff --git a/README.md b/README.md
@@ -84,6 +84,6 @@ cg msg.json msg.xlsx
 
 ## License
 
-Copyright (c) 2015-2021 yanglb.com. All rights reserved.
+Copyright (c) 2015-2023 yanglb.com. All rights reserved.
 
 Licensed under the [Apache License 2.0](LICENSE) license.
