diff --git a/0001-modify-version-of-kylin-scanner-is-null.patch b/0001-modify-version-of-kylin-scanner-is-null.patch
new file mode 100644
index 0000000..bd2b939
--- /dev/null
+++ b/0001-modify-version-of-kylin-scanner-is-null.patch
@@ -0,0 +1,41 @@
+From 5e46fb35016c8ae73fbd31cc64a9f1354b304541 Mon Sep 17 00:00:00 2001
+From: peijiankang <peijiankang@kylinos.cn>
+Date: Mon, 30 May 2022 14:51:29 +0800
+Subject: [PATCH] modify version of kylin-scanner is null
+
+---
+ src/main.cpp | 18 +++++++++++++++++-
+ 1 file changed, 17 insertions(+), 1 deletion(-)
+
+diff --git a/src/main.cpp b/src/main.cpp
+index 48ae229..6de4eca 100644
+--- a/src/main.cpp
++++ b/src/main.cpp
+@@ -140,7 +140,23 @@ static QString getSystemArchitecture()
+ 
+ static QString getAppVersion()
+ {
+-    QString versionResult = execCmd(QString("dpkg-parsechangelog -l %1 --show-field Version").arg(ChangelogFilePath));
++    QString versionResult;
++    QProcess process;
++    QStringList options;
++    options << "-q" << "kylin-scanner";
++    process.start("rpm", options);
++    process.waitForFinished();
++    QString dpkgInfo = process.readAll();
++    QStringList infoList = dpkgInfo.split("\n");
++    for (int n = 0; n < infoList.size(); n++) {
++        QString strInfoLine = infoList[n];
++	if (strInfoLine.contains("kylin-scanner")) {
++	    QStringList lineInfoList = strInfoLine.split(QRegExp("-"));
++	    if (lineInfoList.size() >= 3) {
++		 versionResult = lineInfoList[2];
++	    }
++	}
++    }
+     return versionResult;
+ }
+ 
+-- 
+2.33.0
+
diff --git a/kylin-scanner.spec b/kylin-scanner.spec
index 8a67be4..063ff56 100644
--- a/kylin-scanner.spec
+++ b/kylin-scanner.spec
@@ -1,11 +1,12 @@
 %define debug_package %{nil}
 Name:          kylin-scanner
 Version:       1.0.3
-Release:       2
+Release:       3
 Summary:       Kylin Scanner is an interface-friendly scanning software developed with Qt5.
 License:       BSL-1.0 and Libpng and zlib and GPL-2.0-or-later
 URL:           https://github.com/UbuntuKylin/kylin-scanner
 Source0:       %{name}-%{version}.tar.gz
+Patch01:       0001-modify-version-of-kylin-scanner-is-null.patch 
 
 BuildRequires: qt5-qtsvg-devel
 BuildRequires: glib2-devel
@@ -39,6 +40,7 @@ and text recognition, etc.
 
 %prep
 %setup -q
+%patch01 -p1
 
 %build
 %{qmake_qt5}
@@ -55,6 +57,9 @@ and text recognition, etc.
 %{_datadir}/pixmaps/scanner.png
 
 %changelog
+* Mon May 30 2022 peijiankang <peijiankang@kylinos.cn> - 1.0.3-3
+- modify version of kylin-scanner is null  
+
 * Thu May 26 2022 peijiankang <peijiankang@kylinos.cn> - 1.0.3-2 
 - remove {%if 0 and %endif}