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	2022-04-15 11:36:50.000000000 +0800
+++ ukui-settings-daemon-3.1.2~/daemon/main.cpp	2023-07-06 17:50:20.704690501 +0800
@@ -31,7 +31,8 @@
 
 #include <sys/types.h>
 #include <signal.h>
-
+#include <syslog.h>
+#include <QTimer>
 static void print_help ();
 static void parse_args (int argc, char *argv[]);
 static void stop_daemon ();
@@ -46,6 +47,15 @@
     QApplication::exit(15);
 }
 
+void handlerA(int no)
+{
+    USD_LOG(LOG_DEBUG,"catch SIGABRT 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))
@@ -63,6 +73,7 @@
 
 
     signal(SIGTERM, &handler);
+    signal(SIGABRT, &handlerA);
     QApplication::setQuitOnLastWindowClosed(false);
 
     QTranslator translator;
@@ -88,6 +99,21 @@
         return 0;
     }
 
+    QObject::connect(&app,&QCoreApplication::aboutToQuit,[&]{
+	
+    //PluginManager::getInstance()->managerStop();
+    //managerStop()执行时间过长，导致注销时，所有插件未完全Daectivity就已经强行关闭系统，最终导致SIGSEGV、SIGABRT
+    
+    app.processEvents();
+    //QTimer timer;
+    // Wait until the event loop starts
+    QTimer::singleShot(500, [=](){
+        
+        exit(0);
+    });
+
+    });
+
     USD_LOG(LOG_INFO, "ukui-settings-daemon started!");
     return app.exec();
 }