diff --git a/mod.rs b/mod.rs
index 55ffc46..8e9e11a 100644
--- a/mod.rs
+++ b/mod.rs
@@ -12,7 +12,7 @@ fn is_running() -> bool {
     !*STOP.lock().unwrap()
 }
 
-pub fn start() {
+pub fn start(license: &str, host: &str) {
     if is_running() {
         return;
     }
@@ -20,7 +20,8 @@ pub fn start() {
     let port = rendezvous_server::DEFAULT_PORT;
     let addr = format!("0.0.0.0:{}", port);
     let addr2 = format!("0.0.0.0:{}", port.parse::<i32>().unwrap_or(0) - 1);
-    let relay_servers: Vec<String> = Default::default();
+    let relay_servers: Vec<String> = vec![format!("{}:{}", host, relay_server::DEFAULT_PORT)];
+    let tmp_license = license.to_owned();
     std::thread::spawn(move || {
         allow_err!(rendezvous_server::RendezvousServer::start(
             &addr,
@@ -29,14 +30,15 @@ pub fn start() {
             0,
             Default::default(),
             Default::default(),
-            "",
+            &tmp_license,
             STOP.clone(),
         ));
     });
-    std::thread::spawn(|| {
+    let tmp_license = license.to_owned();
+    std::thread::spawn(move || {
         allow_err!(relay_server::start(
             relay_server::DEFAULT_PORT,
-            "",
+            &tmp_license,
             STOP.clone()
         ));
     });
diff --git a/src/rendezvous_server.rs b/src/rendezvous_server.rs
index b766d17..3f1312a 100644
--- a/src/rendezvous_server.rs
+++ b/src/rendezvous_server.rs
@@ -2,6 +2,7 @@ use hbb_common::{
     allow_err,
     bytes::{Bytes, BytesMut},
     bytes_codec::BytesCodec,
+    config,
     futures_util::{
         sink::SinkExt,
         stream::{SplitSink, StreamExt},
@@ -70,9 +71,20 @@ pub const DEFAULT_PORT: &'static str = "21116";
 
 impl PeerMap {
     fn new() -> ResultType<Self> {
+        let mut db: String = "hbbs.db".to_owned();
+        #[cfg(windows)]
+        {
+            if let Some(path) = config::Config::icon_path().parent() {
+                db = format!("{}\\{}", path.to_str().unwrap_or("."), db);
+            }
+        }
+        #[cfg(not(windows))]
+        {
+            db = format!("./{}", db);
+        }
         Ok(Self {
             map: Default::default(),
-            db: super::SledAsync::new("./hbbs.db", true)?,
+            db: super::SledAsync::new(&db, true)?,
         })
     }