diff --git a/modules/users/default.nix b/modules/users/default.nix
index 716d834e..a82925a7 100644
--- a/modules/users/default.nix
+++ b/modules/users/default.nix
@@ -51,94 +51,164 @@ inputs:
 							normal = { gui ? false }: { pkgs, ...}:
 							{
 								home.stateVersion = "22.11";
-								programs.zsh =
+								programs =
 								{
-									enable = true;
-									initExtraBeforeCompInit = stripeTabs
-									''
-										# p10k instant prompt
-										typeset -g POWERLEVEL9K_INSTANT_PROMPT=off
-										P10K_INSTANT_PROMPT="$XDG_CACHE_HOME/p10k-instant-prompt-''${(%):-%n}.zsh"
-										[[ ! -r "$P10K_INSTANT_PROMPT" ]] || source "$P10K_INSTANT_PROMPT"
-
-										HYPHEN_INSENSITIVE="true"
-
-										export PATH=~/bin:$PATH
-
-										function br
-										{
-											local cmd cmd_file code
-											cmd_file=$(mktemp)
-											if broot --outcmd "$cmd_file" "$@"; then
-												cmd=$(<"$cmd_file")
-												command rm -f "$cmd_file"
-												eval "$cmd"
-											else
-												code=$?
-												command rm -f "$cmd_file"
-												return "$code"
-											fi
-										}
-
-										alias todo="todo.sh"
-									'';
-									plugins =
-									[
-										{
-											file = "powerlevel10k.zsh-theme";
-											name = "powerlevel10k";
-											src = "${pkgs.zsh-powerlevel10k}/share/zsh-powerlevel10k";
-										}
-										{
-											file = "p10k.zsh";
-											name = "powerlevel10k-config";
-											src = ./p10k-config;
-										}
-										{
-											name = "zsh-lsd";
-											src = pkgs.fetchFromGitHub
-											{
-												owner = "z-shell";
-												repo = "zsh-lsd";
-												rev = "029a9cb0a9b39c9eb6c5b5100dd9182813332250";
-												sha256 = "sha256-oWjWnhiimlGBMaZlZB+OM47jd9hporKlPNwCx6524Rk=";
-											};
-										}
-									];
-									history =
-									{
-										extended = true;
-										save = 100000000;
-										size = 100000000;
-										share = true;
-									};
-								};
-								programs.direnv = { enable = true; nix-direnv.enable = true; };
-								programs.git =
-								{
-									enable = true;
-									lfs.enable = true;
-									userEmail = "chn@chn.moe";
-									userName = "chn";
-									extraConfig =
-									{
-										core.editor = if gui then "code --wait" else "vim";
-										advice.detachedHead = false;
-										merge.conflictstyle = "diff3";
-										diff.colorMoved = "default";
-									};
-									package = pkgs.gitFull;
-									delta =
+									zsh =
 									{
 										enable = true;
-										options =
+										initExtraBeforeCompInit = stripeTabs
+										''
+											# p10k instant prompt
+											typeset -g POWERLEVEL9K_INSTANT_PROMPT=off
+											P10K_INSTANT_PROMPT="$XDG_CACHE_HOME/p10k-instant-prompt-''${(%):-%n}.zsh"
+											[[ ! -r "$P10K_INSTANT_PROMPT" ]] || source "$P10K_INSTANT_PROMPT"
+
+											HYPHEN_INSENSITIVE="true"
+
+											export PATH=~/bin:$PATH
+
+											function br
+											{
+												local cmd cmd_file code
+												cmd_file=$(mktemp)
+												if broot --outcmd "$cmd_file" "$@"; then
+													cmd=$(<"$cmd_file")
+													command rm -f "$cmd_file"
+													eval "$cmd"
+												else
+													code=$?
+													command rm -f "$cmd_file"
+													return "$code"
+												fi
+											}
+
+											alias todo="todo.sh"
+										'';
+										plugins =
+										[
+											{
+												file = "powerlevel10k.zsh-theme";
+												name = "powerlevel10k";
+												src = "${pkgs.zsh-powerlevel10k}/share/zsh-powerlevel10k";
+											}
+											{
+												file = "p10k.zsh";
+												name = "powerlevel10k-config";
+												src = ./p10k-config;
+											}
+											{
+												name = "zsh-lsd";
+												src = pkgs.fetchFromGitHub
+												{
+													owner = "z-shell";
+													repo = "zsh-lsd";
+													rev = "029a9cb0a9b39c9eb6c5b5100dd9182813332250";
+													sha256 = "sha256-oWjWnhiimlGBMaZlZB+OM47jd9hporKlPNwCx6524Rk=";
+												};
+											}
+										];
+										history =
 										{
-											side-by-side = true;
-											navigate = true;
-											syntax-theme = "GitHub";
-											light = true;
-											zero-style = "syntax white";
-											line-numbers-zero-style = "#ffffff";
+											extended = true;
+											save = 100000000;
+											size = 100000000;
+											share = true;
+										};
+									};
+									direnv = { enable = true; nix-direnv.enable = true; };
+									git =
+									{
+										enable = true;
+										lfs.enable = true;
+										userEmail = "chn@chn.moe";
+										userName = "chn";
+										extraConfig =
+										{
+											core.editor = if gui then "code --wait" else "vim";
+											advice.detachedHead = false;
+											merge.conflictstyle = "diff3";
+											diff.colorMoved = "default";
+										};
+										package = pkgs.gitFull;
+										delta =
+										{
+											enable = true;
+											options =
+											{
+												side-by-side = true;
+												navigate = true;
+												syntax-theme = "GitHub";
+												light = true;
+												zero-style = "syntax white";
+												line-numbers-zero-style = "#ffffff";
+											};
+										};
+									};
+									ssh =
+									{
+										enable = true;
+										controlMaster = "auto";
+										controlPersist = "1m";
+										matchBlocks = builtins.listToAttrs
+										(
+											(map
+												(host:
+												{
+													name = host.name;
+													value = { host = host.name; hostname = host.value; user = "chn"; };
+												})
+												(inputs.localLib.attrsToList
+												{
+													vps3 = "vps3.chn.moe";
+													vps4 = "vps4.chn.moe";
+													vps5 = "vps5.chn.moe";
+													vps6 = "vps6.chn.moe";
+													vps7 = "vps7.chn.moe";
+													nas = "192.168.1.188";
+												}))
+											++ (map
+												(host:
+												{
+													name = host;
+													value =
+													{
+														host = host;
+														hostname = "hpc.xmu.edu.cn";
+														user = host;
+														extraOptions = { PubkeyAcceptedAlgorithms = "+ssh-rsa"; HostkeyAlgorithms = "+ssh-rsa"; };
+													};
+												})
+												[ "wlin" "jykang" "hwang" ])
+										)
+										// {
+											xmupc1 =
+											{
+												host = "xmupc1";
+												hostname = "office.chn.moe";
+												user = "chn";
+												port = 6007;
+											};
+											xmupc1-ext =
+											{
+												host = "xmupc1-ext";
+												hostname = "vps3.chn.moe";
+												user = "chn";
+												port = 6007;
+											};
+											xmuhk =
+											{
+												host = "xmuhk";
+												hostname = "10.26.14.56";
+												user = "xmuhk";
+												# identityFile = "~/.ssh/xmuhk_id_rsa";
+											};
+											xmuhk2 =
+											{
+												host = "xmuhk2";
+												hostname = "183.233.219.132";
+												user = "xmuhk";
+												port = 62022;
+											};
 										};
 									};
 								};