diff --git a/kernel-rt.spec b/kernel-rt.spec
index 7a622f5..f067849 100644
--- a/kernel-rt.spec
+++ b/kernel-rt.spec
@@ -14,6 +14,7 @@
 {error:clang_lto requires --with toolchain_clang}
 %endif
 
+
 %define modsign_cmd %{SOURCE10}
 
 %if 0%{?openEuler_sign_rsa}
@@ -40,9 +41,9 @@ rm -f test_openEuler_sign.ko test_openEuler_sign.ko.sig
 
 %global upstream_version    6.6
 %global upstream_sublevel   0
-%global devel_release       53
+%global devel_release       59
 %global maintenance_release .0.0
-%global pkg_release         .5
+%global pkg_release         .6
 %global rt_release          .rt44
 
 %define with_debuginfo 1
@@ -1057,6 +1058,9 @@ fi
 %endif
 
 %changelog
+* Tue Dec  03  2024 zhangyu <zhangyu4@kylinos.cn> - 6.6.0-59.0.0.6
+- update kernel-rt version to 6.6.0-59.0.0.6
+
 * Tue Nov  11 2024 zhangyu <zhangyu4@kylinos.cn> - 6.6.0-53.0.0.5
 - update kernel-rt version to 6.6.0-53.0.0.5
 
diff --git a/patch-6.6.0-6.0.0-rt20.patch b/patch-6.6.0-6.0.0-rt20.patch
index 930eac4..8d53507 100644
--- a/patch-6.6.0-6.0.0-rt20.patch
+++ b/patch-6.6.0-6.0.0-rt20.patch
@@ -7580,12 +7580,13 @@ index 8ff0efac6..398104760 100644
  	}
  	uart_port_deref(port);
  }
-@@ -1108,9 +1108,9 @@ static int uart_tiocmget(struct tty_struct *tty)
+@@ -1107,10 +1107,10 @@ static int uart_tiocmget(struct tty_struct *tty)
+ 		goto out;
  
  	if (!tty_io_error(tty)) {
- 		result = uport->mctrl;
 -		spin_lock_irq(&uport->lock);
 +		uart_port_lock_irq(uport);
+ 		result = uport->mctrl;
  		result |= uport->ops->get_mctrl(uport);
 -		spin_unlock_irq(&uport->lock);
 +		uart_port_unlock_irq(uport);