diff --git a/src/server/connection.rs b/src/server/connection.rs
index b49a9059c..e537f744d 100644
--- a/src/server/connection.rs
+++ b/src/server/connection.rs
@@ -322,7 +322,8 @@ impl Connection {
             tx_desktop_ready: _tx_desktop_ready,
         };
         if !conn.on_open(addr).await {
-            conn.sleep_to_ensure_msg_recved().await;
+            // sleep to ensure msg got received.
+            sleep(1.).await;
             return;
         }
         #[cfg(not(any(target_os = "android", target_os = "ios")))]
@@ -794,11 +795,6 @@ impl Connection {
         self.send(msg_out).await;
     }
 
-    #[inline]
-    async fn sleep_to_ensure_msg_recved() {
-        sleep(1.).await;
-    }
-
     async fn check_privacy_mode_on(&mut self) -> bool {
         if video_service::get_privacy_mode_conn_id() > 0 {
             self.send_login_error("Someone turns on privacy mode, exit")