diff --git a/0002-fix-grab-keyboard-not-released-when-mouse-capture-fa.patch b/0002-fix-grab-keyboard-not-released-when-mouse-capture-fa.patch
new file mode 100644
index 0000000..e7b84ef
--- /dev/null
+++ b/0002-fix-grab-keyboard-not-released-when-mouse-capture-fa.patch
@@ -0,0 +1,30 @@
+From 506baacdce54a39307fa01d296b8eb2b9850226e Mon Sep 17 00:00:00 2001
+From: liuxinhao <liuxinhao@kylinsec.com.cn>
+Date: Sat, 19 Aug 2023 16:03:29 +0800
+Subject: [PATCH] fix(grab): keyboard not released when mouse capture failed.
+ cause keyboard cannot be typed
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+- 修复鼠标抓取失败时,未释放键盘.导致抓取判断为失败.导致后续键盘无法输入
+---
+ src/grab/grab.cpp | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/grab/grab.cpp b/src/grab/grab.cpp
+index e7fed6c..3c4a079 100644
+--- a/src/grab/grab.cpp
++++ b/src/grab/grab.cpp
+@@ -177,7 +177,7 @@ bool Grab::doGrab(WId wid, bool grabPointer)
+         {
+             int errCode = reply ? reply->status:1;
+             KLOG_WARNING() << "grab pointer to" << wid << "failed!" << getGrabError(errCode);
+-            xcb_ungrab_pointer(QX11Info::connection(), XCB_TIME_CURRENT_TIME);
++            xcb_ungrab_keyboard(QX11Info::connection(), XCB_TIME_CURRENT_TIME);
+         }
+     }
+ 
+-- 
+2.33.0
+
diff --git a/kiran-screensaver.spec b/kiran-screensaver.spec
index 9659625..1b618cf 100644
--- a/kiran-screensaver.spec
+++ b/kiran-screensaver.spec
@@ -1,6 +1,6 @@
 Name:    kiran-screensaver
 Version: 2.2.3
-Release: 2
+Release: 4
 Summary: Kiran Desktop Screensaver Backend
 Summary(zh_CN): kiran桌面屏保后端
 
@@ -8,6 +8,7 @@ License: MulanPSL-2.0
 
 Source0: %{name}-%{version}.tar.gz
 Patch0001: 0001-fix-gsettings-screensaver-locker-paths-use-the-cmake.patch
+Patch0002: 0002-fix-grab-keyboard-not-released-when-mouse-capture-fa.patch
 
 BuildRequires: gcc-c++
 BuildRequires: cmake
@@ -71,6 +72,9 @@ glib-compile-schemas /usr/share/glib-2.0/schemas &> /dev/nulls || :
 rm -rf %{buildroot}
 
 %changelog
+* Sat Aug 19 2023 liuxinhao <liuxinhao@kylinsec.com.cn> - 2.2.3-4
+- KYOS-B: fix keyboard not released when mouse capture failed. cause keyboard cannot be typed
+
 * Fri Aug 11 2023 liuxinhao <liuxinhao@kylinsec.com.cn> - 2.2.3-2
 - KYOS-B: gsettings screensaver-locker paths use the cmake macro (#12303)