diff --git a/git/ssh_key.md b/git/ssh_key.md
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index 0000000..d9d3bd0
--- /dev/null
+++ b/git/ssh_key.md
@@ -0,0 +1,6 @@
+
+# build ssh key
+
+git config --global user.name 'light'
+git config --global user.name '1870499383@qq.com'
+ssh-keygen -t rsa -C '1870499383@qq.com'
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