diff --git a/src/main.rs b/src/main.rs
index 48f74dd..dce569b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -51,6 +51,7 @@ async fn main() {
     // new DB option
     let option = herodb::options::DBOption {
         dir: args.dir,
+        port,
         debug: args.debug,
         encryption_key: args.encryption_key,
         encrypt: args.encrypt,
diff --git a/src/options.rs b/src/options.rs
index 284c893..067183d 100644
--- a/src/options.rs
+++ b/src/options.rs
@@ -7,6 +7,7 @@ pub enum BackendType {
 #[derive(Debug, Clone)]
 pub struct DBOption {
     pub dir: String,
+    pub port: u16,
     pub debug: bool,
     pub encrypt: bool,
     pub encryption_key: Option<String>,