diff --git a/ssh/idc-aliyun-sg2 b/ssh/idc-aliyun-sg2
new file mode 100644
index 0000000..ba9d6c4
--- /dev/null
+++ b/ssh/idc-aliyun-sg2
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIEPtJUHttfDb3oDGqGB9+0rFQ8Y6+GbHVC2IYMccDCpR
\ No newline at end of file