diff --git a/0194-sk_wait-fix-wait-not-return-EINTR-when-interrupted-b.patch b/0194-sk_wait-fix-wait-not-return-EINTR-when-interrupted-b.patch
new file mode 100644
index 0000000000000000000000000000000000000000..721736ae9c13f2f08b2ca963dfc344b4a227d6d4
--- /dev/null
+++ b/0194-sk_wait-fix-wait-not-return-EINTR-when-interrupted-b.patch
@@ -0,0 +1,51 @@
+From def527c148e90eb398178648b4bb8b79d4e39ccc Mon Sep 17 00:00:00 2001
+From: Lemmy Huang <huangliming5@huawei.com>
+Date: Thu, 10 Jul 2025 21:14:45 +0800
+Subject: [PATCH] sk_wait: fix wait not return EINTR when interrupted by signal
+
+Signed-off-by: Lemmy Huang <huangliming5@huawei.com>
+---
+ src/include/arch/sys_arch.h | 20 ++++++++++++++------
+ 1 file changed, 14 insertions(+), 6 deletions(-)
+
+diff --git a/src/include/arch/sys_arch.h b/src/include/arch/sys_arch.h
+index d0189b5..98d9ddf 100644
+--- a/src/include/arch/sys_arch.h
++++ b/src/include/arch/sys_arch.h
+@@ -138,9 +138,13 @@ int sys_sem_wait_internal(sys_sem_t s, int timeout)
+         }
+     }
+ 
+-    if (unlikely(ret != 0))
+-        return ret;
+-    errno = 0;
++    if (unlikely(ret != 0)) {
++        if (errno == ETIMEDOUT) {
++            timeout = 0;
++        } else {
++            timeout = -errno;
++        }
++    }
+     return timeout;
+ }
+ 
+@@ -193,9 +197,13 @@ int sys_mutex_timedlock_internal(sys_mutex_t m, int timeout)
+         }
+     }
+ 
+-    if (unlikely(ret != 0))
+-        return ret;
+-    errno = 0;
++    if (unlikely(ret != 0)) {
++        if (errno == ETIMEDOUT) {
++            timeout = 0;
++        } else {
++            timeout = -errno;
++        }
++    }
+     return timeout;
+ }
+ 
+-- 
+2.33.0
+
diff --git a/lwip.spec b/lwip.spec
index aa76d0ec4cbc35bff031adc68c0f67c4951d5981..e36a6ad4910345d7b3d8682bf21b823301fdae29 100644
--- a/lwip.spec
+++ b/lwip.spec
@@ -4,7 +4,7 @@
 Summary: lwip is a small independent implementation of the TCP/IP protocol suite
 Name:    lwip
 Version: 2.2.0
-Release: 72
+Release: 73
 License: BSD
 URL:     http://savannah.nongnu.org/projects/lwip/
 Source0: http://download.savannah.nongnu.org/releases/lwip/%{name}-%{version}.zip
@@ -209,6 +209,7 @@ Patch9190: 0190-udp-fix-recv_udp-sys_mbox_trypost-failed.patch
 Patch9191: 0191-sk_event-fix-rtw-epoll-wrong-event-notify-and-remove.patch
 Patch9192: 0192-tcp-reduce-TCP_SNDQUEUELOWAT-to-1800.patch
 Patch9193: 0193-fix-20.03-LTS-build-failed.patch
+Patch9194: 0194-sk_wait-fix-wait-not-return-EINTR-when-interrupted-b.patch
 
 BuildRequires: gcc-c++ dos2unix dpdk-devel
 
@@ -238,6 +239,9 @@ cd %{_builddir}/%{name}-%{version}/src
 %{_libdir}/liblwip.a
 
 %changelog
+* Wed Jul 16 2025 LemmyHuang <huangliming5@huawei.com> - 2.2.0-73
+- sk_wait: fix wait not return EINTR when interrupted by signal
+
 * Sun Jul 06 2025 LemmyHuang <huangliming5@huawei.com> - 2.2.0-72
 - fix 20.03 LTS build failed