diff --git a/0001-misc-fixes-deprecated-func-memory-leaks-code-error.patch b/0001-misc-fixes-deprecated-func-memory-leaks-code-error.patch
new file mode 100644
index 0000000..9f1c1bd
--- /dev/null
+++ b/0001-misc-fixes-deprecated-func-memory-leaks-code-error.patch
@@ -0,0 +1,101 @@
+From 35f849e92bc7e8fe10bd8836b8b3f84b3bf2321f Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=E4=BE=AF=E7=BA=A2=E5=8B=8B?= <houhongxun@kylinos.cn>
+Date: Mon, 6 May 2024 15:45:43 +0800
+Subject: [PATCH] misc fixes: deprecated func, memory leaks, code error
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Signed-off-by: 侯红勋 <houhongxun@kylinos.cn>
+---
+ UIControl/src/page1.cpp                | 4 ++--
+ UIControl/src/page2.cpp                | 2 +-
+ registeredQDbus/systemdbusregister.cpp | 8 ++++----
+ registeredQDbus/systemdbusregister.h   | 2 +-
+ 4 files changed, 8 insertions(+), 8 deletions(-)
+
+diff --git a/UIControl/src/page1.cpp b/UIControl/src/page1.cpp
+index 6b5d2ca..9736323 100644
+--- a/UIControl/src/page1.cpp
++++ b/UIControl/src/page1.cpp
+@@ -157,11 +157,11 @@ void Page1::getUdiskPathAndCap()
+ {
+     diskInfos.clear();
+     QProcess lsblk;
+-    lsblk.start("lsblk -J");
++    lsblk.start("lsblk", QStringList() << "-J");
+     lsblk.waitForFinished();
+ 
+     QProcess lsblk2;
+-    lsblk2.start("lsblk -JS");
++    lsblk2.start("lsblk", QStringList() << "-JS");
+     lsblk2.waitForFinished();
+     QJsonArray arr1 = QStringToJsonArray(QString::fromLocal8Bit(lsblk.readAllStandardOutput()));  //获取json类型的shell执行结果
+     QJsonArray arr2 = QStringToJsonArray(QString::fromLocal8Bit(lsblk2.readAllStandardOutput()));
+diff --git a/UIControl/src/page2.cpp b/UIControl/src/page2.cpp
+index 8041012..78e2312 100644
+--- a/UIControl/src/page2.cpp
++++ b/UIControl/src/page2.cpp
+@@ -161,7 +161,7 @@ void Page2::dealMakeFinish(QString status)
+ bool Page2::mountDevice(QString target){
+ 
+     QProcess sync;
+-    sync.start("sync");
++    sync.start("sync", QStringList());
+     sync.waitForStarted();
+     sync.waitForFinished();
+ 
+diff --git a/registeredQDbus/systemdbusregister.cpp b/registeredQDbus/systemdbusregister.cpp
+index 63ecf27..99db98c 100644
+--- a/registeredQDbus/systemdbusregister.cpp
++++ b/registeredQDbus/systemdbusregister.cpp
+@@ -55,13 +55,13 @@ void SystemDbusRegister::MakeStart(QString sourcePath,QString targetPath){
+     uDiskPath = targetPath;
+     QFileInfo info(sourcePath);
+     sourceFileSize = info.size()/1000000;
+-    command_dd = new QProcess();
++    command_dd = new QProcess(this);
+     //指定输出语言
+     QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
+     env.insert("LANGUAGE","en_US:en");
+     command_dd->setProcessEnvironment(env);
+     connect(command_dd,&QProcess::readyReadStandardError,this,&SystemDbusRegister::readBashStandardErrorInfo);
+-    command_dd->start("bash");
++    command_dd->start("bash", QStringList());
+     command_dd->waitForStarted();
+     QString ddshell = "dd if='"+sourcePath.toLocal8Bit()+"' of="+targetPath.toLocal8Bit()+" status=progress";
+     command_dd->write(ddshell.toLocal8Bit() + '\n');
+@@ -93,7 +93,7 @@ bool SystemDbusRegister::unmountDevice(QString target)
+ void SystemDbusRegister::MakeExit(){
+     qDebug()<<"exit dd process";
+     if(!command_dd) return ;
+-    if(command_dd->Running){
++    if(QProcess::Running == command_dd->state()){
+         command_dd->kill();
+     }
+     return ;
+@@ -144,7 +144,7 @@ void SystemDbusRegister::finishEvent(){
+ bool SystemDbusRegister::isMakingSucess()
+ {
+     QProcess lsblk;
+-    lsblk.start("lsblk -JS");
++    lsblk.start("lsblk", QStringList() << "-JS");
+ //    lsblk.waitForStarted();
+     lsblk.waitForFinished();
+ //    qDebug()<<"lsblk output"<<lsblk.readAllStandardError();
+diff --git a/registeredQDbus/systemdbusregister.h b/registeredQDbus/systemdbusregister.h
+index 136ed98..3b6bffe 100644
+--- a/registeredQDbus/systemdbusregister.h
++++ b/registeredQDbus/systemdbusregister.h
+@@ -41,7 +41,7 @@ class SystemDbusRegister : public QObject, protected QDBusContext
+     Q_CLASSINFO("D-Bus Interface", "com.kylinusbcreator.interface")
+ public:
+     SystemDbusRegister();
+-//    ~SystemDbusRegister();
++    //~SystemDbusRegister();
+ 
+ Q_SIGNALS:
+     void workingProgress(int);
+-- 
+2.43.0
+
diff --git a/kylin-usb-creator.spec b/kylin-usb-creator.spec
index c933313..48c1acf 100644
--- a/kylin-usb-creator.spec
+++ b/kylin-usb-creator.spec
@@ -1,6 +1,6 @@
 Name:           kylin-usb-creator
 Version:        1.1.2
-Release:        2
+Release:        3
 Summary:        kylin-usb-creator
 License:        GPL-3+
 URL:            http://www.ukui.org
@@ -8,6 +8,7 @@ Source0:        %{name}-%{version}.tar.gz
 Patch01:        0001-fix-version-of-kylin-usb-creator.patch
 Patch02:        0002-add-kylin-user-guide-of-kylin-usb-creator.patch
 Patch03:        0003-fix-clang.patch
+Patch04:	0001-misc-fixes-deprecated-func-memory-leaks-code-error.patch
 
 BuildRequires:  qt5-qttools-devel
 BuildRequires:  qt5-qtscript-devel
@@ -26,9 +27,10 @@ BuildRequires:  ukui-interface
 
 %prep
 %setup -q
-%patch01 -p1
-%patch02 -p1
-%patch03 -p1
+%patch 1 -p1
+%patch 2 -p1
+%patch 3 -p1
+%patch 4 -p1
 
 %build
 %{qmake_qt5} %{_qt5_qmake_flags} CONFIG+=enable-by-default  kylin-usb-creator.pro
@@ -64,6 +66,9 @@ rm -rf $RPM_BUILD_ROOT
 
 
 %changelog
+* Mon May 06 2024 houhongxun <houhongxun@kylinos.cn> - 1.1.2-3
+- misc fixes: memory leaks, deprecated funcs, code errors
+
 * Thu Aug 31 2023 yoo <sunyuechi@iscas.ac.cn> - 1.1.2-2
 - fix clang build error