diff --git a/nostrh/cmd/keystore/keystore.go b/nostrh/cmd/keystore/keystore.go
index 4c6ff9d..7f7f79d 100644
--- a/nostrh/cmd/keystore/keystore.go
+++ b/nostrh/cmd/keystore/keystore.go
@@ -4,9 +4,11 @@ import (
 	"errors"
 	"fmt"
 	"os"
+	"path/filepath"
 
 	"github.com/nbd-wtf/go-nostr"
 	"github.com/nbd-wtf/go-nostr/nip19"
+	"github.com/studiokaiji/nostr-webhost/nostrh/cmd/paths"
 )
 
 const PATH = ".nostr_account_secret"
@@ -20,8 +22,19 @@ func SetSecret(key string) error {
 		}
 		key = v.(string)
 	}
+
+	dir, err := paths.GetSettingsDirectory()
+	if err != nil {
+		return err
+	}
+
+	filePath := filepath.Join(dir, PATH)
+	if err != nil {
+		return err
+	}
+
 	// キーをファイルに書き込み
-	return os.WriteFile(PATH, []byte(key), 0644)
+	return os.WriteFile(filePath, []byte(key), 0644)
 }
 
 func ShowPublic() (string, string, error) {
diff --git a/nostrh/cmd/paths/paths.go b/nostrh/cmd/paths/paths.go
new file mode 100644
index 0000000..de52894
--- /dev/null
+++ b/nostrh/cmd/paths/paths.go
@@ -0,0 +1,28 @@
+package paths
+
+import (
+	"os"
+	"path/filepath"
+)
+
+const BaseDirName = ".nostr-webhost"
+
+func GetSettingsDirectory() (string, error) {
+	homeDir, err := os.UserHomeDir()
+	if err != nil {
+		return "", err
+	}
+
+	dirPath := filepath.Join(homeDir, BaseDirName)
+	if os.IsNotExist(err) {
+		// ディレクトリが存在しない場合に作成
+		err = os.Mkdir(dirPath, 0700)
+		if err != nil {
+			return "", err
+		}
+	} else if err != nil {
+		return "", err
+	}
+
+	return dirPath, nil
+}
diff --git a/nostrh/cmd/relays/relays.go b/nostrh/cmd/relays/relays.go
index 471042c..66df0d3 100644
--- a/nostrh/cmd/relays/relays.go
+++ b/nostrh/cmd/relays/relays.go
@@ -2,13 +2,22 @@ package relays
 
 import (
 	"os"
+	"path/filepath"
 	"strings"
+
+	"github.com/studiokaiji/nostr-webhost/nostrh/cmd/paths"
 )
 
 const PATH = ".nostr_relays"
 
 func AddRelay(relayURL string) error {
-	file, err := os.OpenFile(PATH, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0644)
+	dir, err := paths.GetSettingsDirectory()
+	if err != nil {
+		return err
+	}
+
+	filePath := filepath.Join(dir, PATH)
+	file, err := os.OpenFile(filePath, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0644)
 	if err != nil {
 		return err
 	}
diff --git a/nostrh/main.go b/nostrh/main.go
index 27df8a3..af535fc 100644
--- a/nostrh/main.go
+++ b/nostrh/main.go
@@ -154,7 +154,6 @@ func main() {
 
 			fmt.Println(buf.String())
 		}
-
 	}
 
 	// Start app