diff --git a/src/ui.rs b/src/ui.rs
index 10eab22cb..baa7fef4c 100644
--- a/src/ui.rs
+++ b/src/ui.rs
@@ -542,6 +542,7 @@ impl UI {
     }
 
     fn change_id(&self, id: String) {
+        reset_async_job_status();
         let old_id = self.get_id();
         change_id_shared(id, old_id);
     }
diff --git a/src/ui_interface.rs b/src/ui_interface.rs
index ec9fcaad1..2232f3c42 100644
--- a/src/ui_interface.rs
+++ b/src/ui_interface.rs
@@ -6,6 +6,7 @@ use hbb_common::{
     directories_next, log, tokio,
 };
 use hbb_common::{
+    bytes::Bytes,
     config::{CONNECT_TIMEOUT, RENDEZVOUS_PORT},
     futures::future::join_all,
     rendezvous_proto::*,
@@ -64,6 +65,8 @@ lazy_static::lazy_static! {
     pub static ref SENDER : Mutex<mpsc::UnboundedSender<ipc::Data>> = Mutex::new(check_connect_status(true));
 }
 
+const INIT_ASYNC_JOB_STATUS: &str = " ";
+
 #[cfg(any(target_os = "android", target_os = "ios", feature = "flutter"))]
 #[inline]
 pub fn get_id() -> String {
@@ -635,13 +638,23 @@ pub fn get_uuid() -> String {
     crate::encode64(hbb_common::get_uuid())
 }
 
+#[inline]
+pub fn get_init_async_job_status() -> String {
+    INIT_ASYNC_JOB_STATUS.to_string()
+}
+
+#[inline]
+pub fn reset_async_job_status() {
+    *ASYNC_JOB_STATUS.lock().unwrap() = get_init_async_job_status();
+}
+
 #[cfg(any(target_os = "android", target_os = "ios", feature = "flutter"))]
 #[inline]
 pub fn change_id(id: String) {
-    *ASYNC_JOB_STATUS.lock().unwrap() = " ".to_owned();
+    reset_async_job_status();
     let old_id = get_id();
     std::thread::spawn(move || {
-        *ASYNC_JOB_STATUS.lock().unwrap() = change_id_shared(id, old_id).to_owned();
+        change_id_shared(id, old_id);
     });
 }
 
@@ -1012,16 +1025,21 @@ pub(crate) async fn send_to_cm(data: &ipc::Data) {
 const INVALID_FORMAT: &'static str = "Invalid format";
 const UNKNOWN_ERROR: &'static str = "Unknown error";
 
+#[inline]
 #[tokio::main(flavor = "current_thread")]
-pub async fn change_id_shared(id: String, old_id: String) -> &'static str {
+pub async fn change_id_shared(id: String, old_id: String) {
+    *ASYNC_JOB_STATUS.lock().unwrap() = change_id_shared_(id, old_id).await.to_owned();
+}
+
+pub async fn change_id_shared_(id: String, old_id: String) -> &'static str {
     if !hbb_common::is_valid_custom_id(&id) {
         return INVALID_FORMAT;
     }
 
     #[cfg(not(any(target_os = "android", target_os = "ios")))]
-    let uuid = machine_uid::get().unwrap_or("".to_owned());
+    let uuid = Bytes::from(machine_uid::get().unwrap_or("".to_owned()).as_bytes().to_vec());
     #[cfg(any(target_os = "android", target_os = "ios"))]
-    let uuid = crate::encode64(hbb_common::get_uuid());
+    let uuid = Bytes::from(hbb_common::get_uuid());
 
     if uuid.is_empty() {
         log::error!("Failed to change id, uuid is_empty");
@@ -1065,7 +1083,7 @@ async fn check_id(
     rendezvous_server: String,
     old_id: String,
     id: String,
-    uuid: String,
+    uuid: Bytes,
 ) -> &'static str {
     if let Ok(mut socket) = hbb_common::socket_client::connect_tcp(
         crate::check_port(rendezvous_server, RENDEZVOUS_PORT),
@@ -1077,7 +1095,7 @@ async fn check_id(
         msg_out.set_register_pk(RegisterPk {
             old_id,
             id,
-            uuid: uuid.into(),
+            uuid,
             ..Default::default()
         });
         let mut ok = false;