diff --git a/pcscreenmanage/suspendtabbar.cpp b/pcscreenmanage/suspendtabbar.cpp
index 69f39dd..b044da9 100644
--- a/pcscreenmanage/suspendtabbar.cpp
+++ b/pcscreenmanage/suspendtabbar.cpp
@@ -97,11 +97,11 @@ void SuspendTabBar::setDeskBtnState(bool isDesktop)
 {
     if (isDesktop) {
         m_deskBtnState = false;
-        m_switchDeskBtn->setIcon(QIcon(":/tabbaricon/screenshare.svg"));
+        m_switchDeskBtn->setIcon(QIcon(":/tabbaricon/desktop.svg"));
         m_switchDeskBtn->setToolTip(tr("Back to the desktop"));
     } else {
         m_deskBtnState = true;
-        m_switchDeskBtn->setIcon(QIcon(":/tabbaricon/desktop.svg"));
+        m_switchDeskBtn->setIcon(QIcon(":/tabbaricon/screenshare.svg"));
         m_switchDeskBtn->setToolTip(tr("Resume screen projection"));
     }
 }
@@ -257,9 +257,9 @@ void SuspendTabBar::onClicked()
         }
     } else if (btn == m_switchDeskBtn) {
         if (m_deskBtnState) {
-            Q_EMIT sigBtnClicked(SuspendTabBar::BtnType::ReturnDesktopBtn);
-        } else {
             Q_EMIT sigBtnClicked(SuspendTabBar::BtnType::ScreenShareBtn);
+        } else {
+            Q_EMIT sigBtnClicked(SuspendTabBar::BtnType::ReturnDesktopBtn);
         }
     }
 }
diff --git a/pcscreenmanage/suspendtabbar.h b/pcscreenmanage/suspendtabbar.h
index 1e6a228..b89d237 100644
--- a/pcscreenmanage/suspendtabbar.h
+++ b/pcscreenmanage/suspendtabbar.h
@@ -49,7 +49,7 @@ private:
     QPropertyAnimation *m_setHeightAnimation = nullptr;
 
     bool m_ctrlBtnState = true;
-    bool m_deskBtnState = true;
+    bool m_deskBtnState = false;
     bool m_isOpen = true;
     PublicAttributes::Theme m_theme = PublicAttributes::Theme::Light; // 主题
 
diff --git a/ui/mainwindow.cpp b/ui/mainwindow.cpp
index 51814c9..14add64 100644
--- a/ui/mainwindow.cpp
+++ b/ui/mainwindow.cpp
@@ -862,6 +862,10 @@ void MainWindow::slotDisconnect()
 {
     clearConnectionInfo();
     Q_EMIT sigDisconnect();
+    if (m_suspendTabBar != nullptr) {
+        m_suspendTabBar->deleteLater();
+        m_suspendTabBar = nullptr;
+    }
     m_isConnect = false;
     m_winFlage = WinFlage::DisconnectWin;
     m_uploadPath = "";
@@ -1207,7 +1211,7 @@ void MainWindow::slotRequestReceived(PcScreenManage::ScreenMsg msg)
             connect(m_suspendTabBar, &SuspendTabBar::sigBtnClicked, this, &MainWindow::slotTabBtnClicked);
         }
         m_suspendTabBar->setTheme(m_theme);
-        m_suspendTabBar->setDeskBtnState(true);
+        m_suspendTabBar->setDeskBtnState(false);
         m_suspendTabBar->showTabBar();
     } break;
     case PcScreenManage::ScreenMsg::ShowView: {