diff --git a/devices/jykang.xmuhpc/.ssh/authorized_keys b/devices/jykang.xmuhpc/.ssh/authorized_keys
index f8379da5..2786a547 100644
--- a/devices/jykang.xmuhpc/.ssh/authorized_keys
+++ b/devices/jykang.xmuhpc/.ssh/authorized_keys
@@ -8,6 +8,7 @@ ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMRpyIU8ZuYTa0LvsVHmJZ1FA7Lbp4PObjkwo+UcpCP8
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGRZp8xp9hVO7e/6eflQsnFZj853IRVywc97cTevnWbg hjp@xmupc1
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIGwUhEAFHjkbUfOf0ng8I80YbKisbSeY4lq/byinV7lh wm
 ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIF5bg5cayOLfnfUBJz8LeyaYfP41s9pIqUgXn6w9xtvR lly
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBoDGk9HYphkngx2Ix/vef2ZntdVNK1kbS9pY8+TzI41 yxf
 
 ssh-rsa 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 00@xmuhpc
 ssh-rsa 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 01@xmuhpc
diff --git a/devices/xmupc1/default.nix b/devices/xmupc1/default.nix
index 7491ef0e..aa1942e5 100644
--- a/devices/xmupc1/default.nix
+++ b/devices/xmupc1/default.nix
@@ -96,7 +96,7 @@ inputs:
         docker = {};
       };
       bugs = [ "xmunet" "amdpstate" ];
-      user.users = [ "chn" "xll" "zem" "yjq" "gb" "wp" "hjp" "wm" "lly" ];
+      user.users = [ "chn" "xll" "zem" "yjq" "gb" "wp" "hjp" "wm" "lly" "yxf" ];
     };
     services.hardware.bolt.enable = true;
   };
diff --git a/devices/xmupc2/default.nix b/devices/xmupc2/default.nix
index 87e00215..97c04a86 100644
--- a/devices/xmupc2/default.nix
+++ b/devices/xmupc2/default.nix
@@ -89,7 +89,7 @@ inputs:
         docker = {};
       };
       bugs = [ "xmunet" ];
-      user.users = [ "chn" "xll" "zem" "yjq" "gb" "wp" "hjp" "wm" "lly" ];
+      user.users = [ "chn" "xll" "zem" "yjq" "gb" "wp" "hjp" "wm" "lly" "yxf" ];
     };
   };
 }
diff --git a/modules/user/default.nix b/modules/user/default.nix
index 7669f0e8..fcc72ccf 100644
--- a/modules/user/default.nix
+++ b/modules/user/default.nix
@@ -26,6 +26,7 @@ inputs:
         GROUPIII-2 = 1012;
         GROUPIII-3 = 1013;
         lly = 1014;
+        yxf = 1015;
         misskey-misskey = 2000;
         misskey-misskey-old = 2001;
         frp = 2002;
diff --git a/modules/user/yxf/id_ed25519.pub b/modules/user/yxf/id_ed25519.pub
new file mode 100644
index 00000000..5ee7b3ee
--- /dev/null
+++ b/modules/user/yxf/id_ed25519.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBoDGk9HYphkngx2Ix/vef2ZntdVNK1kbS9pY8+TzI41 yxf
diff --git a/packages/hpcstat/share/keys/yxf b/packages/hpcstat/share/keys/yxf
new file mode 100644
index 00000000..5ee7b3ee
--- /dev/null
+++ b/packages/hpcstat/share/keys/yxf
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBoDGk9HYphkngx2Ix/vef2ZntdVNK1kbS9pY8+TzI41 yxf
diff --git a/packages/hpcstat/src/keys.cpp b/packages/hpcstat/src/keys.cpp
index 5a6131b1..f2e7bae0 100644
--- a/packages/hpcstat/src/keys.cpp
+++ b/packages/hpcstat/src/keys.cpp
@@ -14,6 +14,7 @@ namespace hpcstat
     { "uL/ZfBXKko30VpeuKb5dnnxbhJ8IAuHo8W+n2uwQhCI", { "hjp", "JiaPeng Huang" } },
     { "0tIFcYlfj/onVGVJsg9Th4mPtSZ5R+5srl4gxwZgM3k", { "wm", "Man Wang" } },
     { "Ciam/qGL/ZrXIQearsg9NvFh/soPZUG4Z8JhOFSTk48", { "lly", "Liyi Luo" } },
+    { "SHA256:4C2HKaBqgAzhPLjH/BuQZOjGx85NEeUA+UkkWkRzl8k", { "yxf", "Xiaofang Ye" } },
     { "7bmG24muNsaAZkCy7mQ9Nf2HuNafmvUO+Hf1bId9zts", { "00", "Yaping Wu" } },
     { "dtx0QxdgFrXn2SYxtIRz43jIAH6rLgJidSdTvuTuews", { "01", "Jing Li" } },
     { "8crUO9u4JiVqw3COyjXfzZe87s6XZFhvi0LaY0Mv6bg", { "02", "Huahan Zhan" } },