diff --git a/.DS_Store b/.DS_Store
index c5b5c73..1711263 100644
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diff --git a/LICENSE.txt b/LICENSE.txt
index 2d9110b..ce91ee0 100755
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2020 Chunxiao Li
+Copyright (c) 2019-2021 Chunxiao Li
 
 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/pyatmos/.DS_Store b/pyatmos/.DS_Store
index 279bd60..4c1d3a5 100644
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diff --git a/pyatmos/data/.DS_Store b/pyatmos/data/.DS_Store
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index 0000000..5008ddf
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diff --git a/pyatmos/standardatmos/.DS_Store b/pyatmos/standardatmos/.DS_Store
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index 0000000..5008ddf
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diff --git a/pyatmos/utils/.DS_Store b/pyatmos/utils/.DS_Store
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