diff --git a/authorized_keys/czy/key_localubuntu.pub b/authorized_keys/czy/key_localubuntu.pub
new file mode 100644
index 0000000..5c4f358
--- /dev/null
+++ b/authorized_keys/czy/key_localubuntu.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILU52nIAZ7m5kmlFFTHSWuodJ5CPVzQI44rTC356C3Un c-zy23@mails.tsinghua.edu.cn
diff --git a/authorized_keys/czy/key_localwin.pub b/authorized_keys/czy/key_localwin.pub
new file mode 100755
index 0000000..6bad2fd
--- /dev/null
+++ b/authorized_keys/czy/key_localwin.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHUxtj5xSJUZcg3gXufN6YAk7JgnFtxvz3g6jOI4B4c1 c-zy23@mails.tsinghua.edu.cn