diff --git a/nvm-update.sh b/nvm-update.sh
index 9814a55..de6c54e 100755
--- a/nvm-update.sh
+++ b/nvm-update.sh
@@ -1,7 +1,19 @@
+#!/usr/bin/env bash
+# ---------------------------------------------------------------
+# File          : nvm-update.sh
+# Authors       : ccmywish <ccmywish@qq.com>
+# Created on    : <2021-01-06>
+# Last modified : <2022-11-14>
+#
+# nvm-update:
+#
+#   Update your nvm and Node.js versions
+# ---------------------------------------------------------------
+
 (
   cd "$NVM_DIR"
   git fetch --tags origin
   git checkout `git describe --abbrev=0 --tags --match "v[0-9]*" $(git rev-list --tags --max-count=1)`
 ) && \. "$NVM_DIR/nvm.sh"
 
-echo "=> 更新完成"
\ No newline at end of file
+echo "=> nvm更新完成"
\ No newline at end of file