diff -Naur ukui-settings-daemon-3.1.2/daemon/main.cpp ukui-settings-daemon-3.1.2~/daemon/main.cpp
--- ukui-settings-daemon-3.1.2/daemon/main.cpp	2023-07-11 15:31:29.785135187 +0800
+++ ukui-settings-daemon-3.1.2~/daemon/main.cpp	2023-07-11 15:30:40.694366917 +0800
@@ -56,6 +56,14 @@
     QApplication::exit(15);
 }
 
+void handlerB(int no)
+{
+    USD_LOG(LOG_DEBUG,"catch SIGSEGV signal, with exitcode %d",no);
+
+//    manager->managerStop();
+    QApplication::exit(15);
+}
+
 int main (int argc, char* argv[])
 {
 #if (QT_VERSION >= QT_VERSION_CHECK(5, 6, 0))
@@ -74,6 +82,7 @@
 
     signal(SIGTERM, &handler);
     signal(SIGABRT, &handlerA);
+    signal(SIGSEGV, &handlerB);
     QApplication::setQuitOnLastWindowClosed(false);
 
     QTranslator translator;
@@ -108,10 +117,11 @@
     //QTimer timer;
     // Wait until the event loop starts
     QTimer::singleShot(500, [=](){
-        
+        //make sure program exit
         exit(0);
     });
-
+       qApp->quit();
+       exit(0);
     });
 
     USD_LOG(LOG_INFO, "ukui-settings-daemon started!");