diff --git a/deepin-devicemanager/src/Page/MainWindow.cpp b/deepin-devicemanager/src/Page/MainWindow.cpp
index ff6c1db6..a2848b6d 100644
--- a/deepin-devicemanager/src/Page/MainWindow.cpp
+++ b/deepin-devicemanager/src/Page/MainWindow.cpp
@@ -140,6 +140,16 @@ void MainWindow::refreshDataBaseLater()
 MainWindow::~MainWindow()
 {
     // 释放指针
+    // 释放异步 xrandr 线程：先断开 finished 信号避免析构中途触发槽；
+    // wait() 无超时等待，因 runCmd 每子进程已限 5s+1s，双 runCmd 最长约 12s 内结束，
+    // 保证 run() 退出后再释放对象，避免 use-after-free
+    if (mp_XrandrThread) {
+        mp_XrandrThread->disconnect(this);      // 避免 finished 槽在析构中途触发
+        if (mp_XrandrThread->isRunning())
+            mp_XrandrThread->wait();             // runCmd 每子进程已限 5s+1s，最长 ~12s 内结束
+        delete mp_XrandrThread;
+        mp_XrandrThread = nullptr;
+    }
     if (mp_WorkingThread && mp_WorkingThread->isRunning())
         mp_WorkingThread->terminate();
     while (mp_WorkingThread && mp_WorkingThread->isRunning()) {}
@@ -548,16 +558,21 @@ void MainWindow::slotLoadingFinish(const QString &message)
 
 void MainWindow::slotListItemClicked(const QString &itemStr)
 {
-    // xrandr would be execed later
-    if (tr("Monitor") == itemStr || tr("Overview") == itemStr) { //点击显示设备，执行线程加载信息
-        ThreadExecXrandr tx(false, !checkWaylandMode());
-        tx.start();
-        tx.wait();
-    } else if (tr("Display Adapter") == itemStr) { //点击显示适配器，执行线程加载信息
-        ThreadExecXrandr tx(true, !checkWaylandMode());
-        tx.start();
-        tx.wait();
-    } else if (tr("CPU") == itemStr) { //点击处理器，执行加载处理器信息线程
+    // 显示相关模块：异步获取 xrandr 信息，避免在 UI 线程同步等待子进程阻塞事件循环
+    if (tr("Monitor") == itemStr || tr("Overview") == itemStr || tr("Display Adapter") == itemStr) {
+        m_xrandrItem = itemStr;
+        // 上一次异步 xrandr 仍在运行时，仅记录最新待刷新项，待其结束后处理
+        if (mp_XrandrThread && mp_XrandrThread->isRunning()) {
+            return;
+        }
+        startAsyncXrandr(itemStr);
+        return;
+    }
+
+    // 切换到非显示模块时，取消待完成的显示模块刷新，避免异步完成后回切界面
+    m_xrandrItem.clear();
+
+    if (tr("CPU") == itemStr) { //点击处理器，执行加载处理器信息线程
         LoadCpuInfoThread lct;
         lct.start();
         lct.wait();
@@ -572,24 +587,67 @@ void MainWindow::slotListItemClicked(const QString &itemStr)
         DeviceManager::instance()->correctPowerInfo(tool.getCurPowerInfo());
     }
 
-        ThreadExecXrandr txgpu(true, !checkWaylandMode());
-        txgpu.start();
-        txgpu.wait();
-        if(monitorNumber != txgpu.getMonitorNumber()) {
+    // 数据刷新时不处理界面刷新
+    if (m_refreshing || mp_WorkingThread->isRunning()) return;
 
-            QString info;
-            DBusInterface::getInstance()->getInfo("is_server_running", info);
-            //请求后台更新信息
-            if (!info.toInt()) {
-                refreshDataBaseLater();
-            }
-            qCDebug(appLog)<< "Monitor refreshInfo" << __LINE__  << QDateTime::currentDateTime().toString("hh:mm:ss") << info << monitorNumber;
-            monitorNumber = txgpu.getMonitorNumber();
+    updateDeviceForItem(itemStr);
+}
+
+void MainWindow::startAsyncXrandr(const QString &itemStr)
+{
+    // 兜底：正常路径下此分支不可达（上层 isRunning() 短路、完成槽已置空），
+    // 仅防御极端时序下残留的线程对象
+    if (mp_XrandrThread) {
+        mp_XrandrThread->deleteLater();
+        mp_XrandrThread = nullptr;
+    }
+    bool gpu = (tr("Display Adapter") == itemStr);
+    mp_XrandrThread = new ThreadExecXrandr(gpu, !checkWaylandMode());
+    m_xrandrStartedItem = itemStr;
+    connect(mp_XrandrThread, &QThread::finished, this, &MainWindow::slotXrandrFinished);
+    mp_XrandrThread->start();
+}
+
+void MainWindow::slotXrandrFinished()
+{
+    if (!mp_XrandrThread) {
+        return;
+    }
+
+    // 显示器热插拔检测：monitorNumber 变化则请求后台刷新信息
+    if (monitorNumber != mp_XrandrThread->getMonitorNumber()) {
+        QString info;
+        DBusInterface::getInstance()->getInfo("is_server_running", info);
+        //请求后台更新信息
+        if (!info.toInt()) {
+            refreshDataBaseLater();
         }
+        qCDebug(appLog) << "Monitor refreshInfo" << __LINE__ << QDateTime::currentDateTime().toString("hh:mm:ss") << info << monitorNumber;
+        monitorNumber = mp_XrandrThread->getMonitorNumber();
+    }
+
+    QString item = m_xrandrItem;
+    mp_XrandrThread->deleteLater();
+    mp_XrandrThread = nullptr;
+
+    // 异步执行期间切换到非显示模块：不再回切显示界面
+    if (item.isEmpty()) {
+        return;
+    }
+    // 异步执行期间切换到其他显示模块：按最新项重新加载对应 xrandr 信息
+    if (item != m_xrandrStartedItem) {
+        startAsyncXrandr(item);
+        return;
+    }
 
     // 数据刷新时不处理界面刷新
     if (m_refreshing || mp_WorkingThread->isRunning()) return;
 
+    updateDeviceForItem(item);
+}
+
+void MainWindow::updateDeviceForItem(const QString &itemStr)
+{
     QList<DeviceBaseInfo *> lst;
     bool ret = DeviceManager::instance()->getDeviceList(itemStr, lst);
 
diff --git a/deepin-devicemanager/src/Page/MainWindow.h b/deepin-devicemanager/src/Page/MainWindow.h
index 6a60c8fd..eb233e17 100644
--- a/deepin-devicemanager/src/Page/MainWindow.h
+++ b/deepin-devicemanager/src/Page/MainWindow.h
@@ -23,6 +23,7 @@ class DeviceWidget;
 class LoadInfoThread;
 class PageDriverManager;
 class DriverScanWidget;
+class ThreadExecXrandr;
 
 using namespace Dtk::Widget;
 
@@ -129,6 +130,18 @@ class MainWindow : public DMainWindow
      * @brief refreshDataBaseLater:刷新设备信息
      */
     void refreshDataBaseLater();
+
+    /**
+     * @brief startAsyncXrandr:异步获取 xrandr 显示信息，避免阻塞 UI 线程
+     * @param itemStr:当前点击的设备模块名
+     */
+    void startAsyncXrandr(const QString &itemStr);
+
+    /**
+     * @brief updateDeviceForItem:根据模块名获取设备列表并刷新界面
+     * @param itemStr:设备模块名
+     */
+    void updateDeviceForItem(const QString &itemStr);
 private slots:
     /**
      * @brief slotSetPage
@@ -158,6 +171,11 @@ private slots:
      */
     void slotExportInfo();
 
+    /**
+     * @brief slotXrandrFinished:异步 xrandr 信息加载完成槽
+     */
+    void slotXrandrFinished();
+
     /**
      * @brief changeUI:UI界面变化,BIOS界面行高
      */
@@ -177,6 +195,9 @@ private slots:
     DriverScanWidget      *mp_DriverScanWidget;        //驱动管理扫描界面
     PageDriverManager     *mp_DriverManager;           //驱动管理主界面
     LoadInfoThread        *mp_WorkingThread;           //信息加载线程
+    ThreadExecXrandr      *mp_XrandrThread = nullptr;  //异步获取 xrandr 信息的线程
+    QString               m_xrandrItem;                //异步 xrandr 完成后待刷新的模块
+    QString               m_xrandrStartedItem;         //当前异步 xrandr 实际加载的模块
     DButtonBox            *mp_ButtonBox;               // titlebar上添加Buttonbox
     bool                  m_refreshing = false;        // 判断界面是否正在刷新
     bool                  m_IsFirstRefresh = true;
diff --git a/deepin-devicemanager/src/Tool/ThreadExecXrandr.cpp b/deepin-devicemanager/src/Tool/ThreadExecXrandr.cpp
index 2d3f4e7b..ae928766 100644
--- a/deepin-devicemanager/src/Tool/ThreadExecXrandr.cpp
+++ b/deepin-devicemanager/src/Tool/ThreadExecXrandr.cpp
@@ -49,13 +49,23 @@ ThreadExecXrandr::ThreadExecXrandr(bool gpu, bool isDXcbPlatform)
 void ThreadExecXrandr::run()
 {
     if (m_Gpu) {
-        getGpuInfoFromXrandr();
-    } else {           
-       if(Common::boardVendorType() == "PGUV") {
-           QList<QMap<QString, QString>> lstMap;
-           getResolutionRateFromDBus(lstMap);
-       }else 
+        // X11/dxcb 环境通过 xrandr 补充显卡分辨率信息；Wayland/无 X 环境不执行 xrandr 子进程
+        if (m_isDXcbPlatform) {
+            getGpuInfoFromXrandr();
+        }
+    } else {
+        // Wayland/无 X 环境或 PGUV 机型走 DBus，避免 xrandr 子进程阻塞 UI 线程
+        if (!m_isDXcbPlatform || Common::boardVendorType() == "PGUV") {
+            QList<QMap<QString, QString>> lstMap;
+            getResolutionRateFromDBus(lstMap);
+        } else {
             getMonitorInfoFromXrandrVerbose();
+        }
+    }
+    // 显示器数量用于热插拔检测，纯 DBus 调用不启动子进程
+    if (m_monitorLst.isEmpty()) {
+        QMap<QString, QString> tmp;
+        getResolutionFromDBus(tmp);
     }
 }
 
@@ -63,7 +73,11 @@ void ThreadExecXrandr::runCmd(QString &info, const QString &cmd)
 {
     QProcess process;
     process.start(cmd);
-    process.waitForFinished(-1);
+    // 设置超时，避免 xrandr 在部分硬件/驱动或无 X 环境下挂起导致界面长时间无响应
+    if (!process.waitForFinished(5000)) {
+        process.kill();
+        process.waitForFinished(1000);
+    }
     info = process.readAllStandardOutput();
 }