diff --git a/install.zsh b/install.zsh
index e4d13b0..ab6d59e 100755
--- a/install.zsh
+++ b/install.zsh
@@ -1,7 +1,13 @@
 #!/bin/zsh
 
+# ./install.zsh $HOST
+# ex: ./install.zsh syu.is
+
 function at-repos-env() {
-	host=syu.is
+	host=$1
+	if [ -z "$1" ];then
+		host=syu.is
+	fi
 	did=did:plc:6qyecktefllvenje24fcxnie
 	icon=https://git.syui.ai/ai/at/raw/branch/main/icons/Logotype.tsx
 	repos=(