diff --git a/CMakeLists.txt b/CMakeLists.txt
index 16ac4bb..7e76d47 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,6 +41,7 @@ set(GXDE_AI_SEE_SOURCES
     src/chat/markdown.cpp
     src/chat/chatview.cpp
     src/ui/portalpanel.cpp
+    src/ui/aboutdialog.cpp
 )
 
 add_executable(gxde-ai-see ${GXDE_AI_SEE_SOURCES})
@@ -119,7 +120,8 @@ if (LRELEASE_EXECUTABLE AND TS_FILES)
 endif()
 
 install(TARGETS gxde-ai-see RUNTIME DESTINATION bin)
-install(FILES data/gxde-ai-see.desktop data/gxde-ai-see-todo.desktop DESTINATION share/applications)
+install(FILES data/gxde-ai-see.desktop data/gxde-ai-see-todo.desktop
+        data/gxde-ai-see-portal.desktop DESTINATION share/applications)
 install(DIRECTORY data/icons/hicolor/ DESTINATION share/icons/hicolor)
 
 include(GNUInstallDirs)
diff --git a/data/gxde-ai-see-portal.desktop b/data/gxde-ai-see-portal.desktop
new file mode 100644
index 0000000..b71cc14
--- /dev/null
+++ b/data/gxde-ai-see-portal.desktop
@@ -0,0 +1,12 @@
+[Desktop Entry]
+Type=Application
+Version=1.0
+Name=GXDE Portal
+Name[zh_CN]=传送门
+Comment=Show or hide the GXDE AI See portal panel
+Comment[zh_CN]=显示或隐藏小埃同学的传送门面板
+Exec=gxde-ai-see --show
+Icon=gxde-ai-see
+Terminal=false
+Categories=Utility;
+StartupNotify=false
diff --git a/data/gxde-ai-see-todo.desktop b/data/gxde-ai-see-todo.desktop
index 1aaed5d..848bd69 100644
--- a/data/gxde-ai-see-todo.desktop
+++ b/data/gxde-ai-see-todo.desktop
@@ -6,7 +6,7 @@ Name[zh_CN]=GXDE 待办
 Comment=Floating todo list of GXDE AI See
 Comment[zh_CN]=小埃同学的待办
 Exec=gxde-ai-see --todo
-Icon=gxde-ai-see
+Icon=gxde-ai-see-todo
 Terminal=false
 Categories=Utility;
 StartupNotify=false
diff --git a/data/icons-src/gxde-ai-see-todo.svg b/data/icons-src/gxde-ai-see-todo.svg
new file mode 100644
index 0000000..76b3109
--- /dev/null
+++ b/data/icons-src/gxde-ai-see-todo.svg
@@ -0,0 +1,17 @@
+<svg xmlns="http://www.w3.org/2000/svg" width="256" height="256" viewBox="0 0 256 256">
+  <defs>
+    <linearGradient id="g" x1="0" y1="0" x2="0" y2="1">
+      <stop offset="0" stop-color="#4a90ff"/>
+      <stop offset="1" stop-color="#2f6bd8"/>
+    </linearGradient>
+  </defs>
+  <rect x="8" y="8" width="240" height="240" rx="54" fill="url(#g)"/>
+  <rect x="64" y="56" width="128" height="152" rx="16" fill="#ffffff" opacity="0.96"/>
+  <rect x="96" y="40" width="64" height="30" rx="10" fill="#dbe8ff"/>
+  <g stroke="#3d7fe8" stroke-width="9" stroke-linecap="round" fill="none">
+    <path d="M84 114 l14 14 26 -28"/>
+    <path d="M84 158 l14 14 26 -28"/>
+    <path d="M146 118 h30"/>
+    <path d="M146 162 h30"/>
+  </g>
+</svg>
diff --git a/data/icons/hicolor/128x128/apps/gxde-ai-see-todo.png b/data/icons/hicolor/128x128/apps/gxde-ai-see-todo.png
new file mode 100644
index 0000000..0f15252
Binary files /dev/null and b/data/icons/hicolor/128x128/apps/gxde-ai-see-todo.png differ
diff --git a/data/icons/hicolor/16x16/apps/gxde-ai-see-todo.png b/data/icons/hicolor/16x16/apps/gxde-ai-see-todo.png
new file mode 100644
index 0000000..a93a2c3
Binary files /dev/null and b/data/icons/hicolor/16x16/apps/gxde-ai-see-todo.png differ
diff --git a/data/icons/hicolor/24x24/apps/gxde-ai-see-todo.png b/data/icons/hicolor/24x24/apps/gxde-ai-see-todo.png
new file mode 100644
index 0000000..af1a8bc
Binary files /dev/null and b/data/icons/hicolor/24x24/apps/gxde-ai-see-todo.png differ
diff --git a/data/icons/hicolor/256x256/apps/gxde-ai-see-todo.png b/data/icons/hicolor/256x256/apps/gxde-ai-see-todo.png
new file mode 100644
index 0000000..db14033
Binary files /dev/null and b/data/icons/hicolor/256x256/apps/gxde-ai-see-todo.png differ
diff --git a/data/icons/hicolor/32x32/apps/gxde-ai-see-todo.png b/data/icons/hicolor/32x32/apps/gxde-ai-see-todo.png
new file mode 100644
index 0000000..2dc71be
Binary files /dev/null and b/data/icons/hicolor/32x32/apps/gxde-ai-see-todo.png differ
diff --git a/data/icons/hicolor/48x48/apps/gxde-ai-see-todo.png b/data/icons/hicolor/48x48/apps/gxde-ai-see-todo.png
new file mode 100644
index 0000000..053140a
Binary files /dev/null and b/data/icons/hicolor/48x48/apps/gxde-ai-see-todo.png differ
diff --git a/data/icons/hicolor/64x64/apps/gxde-ai-see-todo.png b/data/icons/hicolor/64x64/apps/gxde-ai-see-todo.png
new file mode 100644
index 0000000..02d4bc3
Binary files /dev/null and b/data/icons/hicolor/64x64/apps/gxde-ai-see-todo.png differ
diff --git a/src/app.cpp b/src/app.cpp
index d8bc94b..b03aaf9 100644
--- a/src/app.cpp
+++ b/src/app.cpp
@@ -52,7 +52,7 @@ bool App::init(bool daemon, bool forceShow, bool showTodo, bool showChat)
                 } else if (data.contains("todo")) {
                     showTodoWindow();
                 } else if (data.contains("show")) {
-                    showPanel();
+                    togglePanel();
                 }
             });
             connect(socket, &QLocalSocket::disconnected, socket,
@@ -97,7 +97,7 @@ bool App::init(bool daemon, bool forceShow, bool showTodo, bool showChat)
             }
             return;
         }
-        QTimer::singleShot(120, this, [this]() {
+        QTimer::singleShot(80, this, [this]() {
             if (m_dragging && m_model->isEmpty()) {
                 showPanel();
                 if (m_panel) {
@@ -112,14 +112,19 @@ bool App::init(bool daemon, bool forceShow, bool showTodo, bool showChat)
             m_panel->stopPortalSuppression();
             m_panel->setDragging(false);
         }
-        if (m_model->isEmpty() && m_panel && m_panel->isVisible()) {
+        if (m_model->isEmpty() && !m_panelPinned && m_panel && m_panel->isVisible()) {
             m_panel->dismiss();
         }
     });
 
     connect(m_model, &StagingModel::countChanged, this, [this]() {
-        if (!m_daemon && !m_model->isEmpty() && m_panel) {
+        if (!m_model->isEmpty() && m_panel) {
             m_panel->popup();
+            return;
+        }
+        /* cleared: the panel exists for the staging list, hide it again */
+        if (!m_dragging && !m_panelPinned && m_panel && m_panel->isVisible()) {
+            m_panel->dismiss();
         }
     });
 
@@ -131,6 +136,7 @@ bool App::init(bool daemon, bool forceShow, bool showTodo, bool showChat)
     }
     if (!daemon || forceShow || !m_model->isEmpty()) {
         showPanel();
+        m_panelPinned = forceShow;
     }
 
     return true;
@@ -144,6 +150,11 @@ void App::ensurePanel()
 
     m_panel = new PortalPanel(m_model);
     connect(m_panel, &PortalPanel::openChatRequested, this, &App::showChatWindow);
+    connect(m_panel, &PortalPanel::hideRequested, this, [this]() {
+        m_panelPinned = false;
+        m_panel->dismiss();
+    });
+    connect(m_panel, &PortalPanel::todoAdded, this, &App::showTodoWindow);
     connect(m_panel, &PortalPanel::askWithContent, this,
             [this](const QString &text, const QStringList &files) {
                 showChatWindow();
@@ -159,6 +170,18 @@ void App::showPanel()
     m_panel->popup();
 }
 
+void App::togglePanel()
+{
+    ensurePanel();
+    if (m_panel->isVisible() && m_panelPinned) {
+        m_panel->dismiss();
+        m_panelPinned = false;
+        return;
+    }
+    m_panelPinned = true;
+    m_panel->popup();
+}
+
 void App::showChatWindow()
 {
     if (!m_chatWindow) {
diff --git a/src/app.h b/src/app.h
index faa3295..c7fc553 100644
--- a/src/app.h
+++ b/src/app.h
@@ -32,6 +32,7 @@ public:
 private:
     void ensurePanel();
     void showPanel();
+    void togglePanel();
     void showTodoWindow();
     void showChatWindow();
 
@@ -42,4 +43,5 @@ private:
     QLocalServer *m_server = nullptr;
     bool m_daemon = false;
     bool m_dragging = false;
+    bool m_panelPinned = false;
 };
diff --git a/src/chat/chatview.cpp b/src/chat/chatview.cpp
index 3cef516..03d857d 100644
--- a/src/chat/chatview.cpp
+++ b/src/chat/chatview.cpp
@@ -182,15 +182,16 @@ public:
             connect(fork, &QToolButton::clicked, this,
                     [this]() { Q_EMIT forkRequested(m_index); });
             actions->addWidget(fork);
-            if (m_isLast) {
-                auto *retry = actionButton(tr("重试"), m_actions);
-                connect(retry, &QToolButton::clicked, this,
-                        [this]() { Q_EMIT retryRequested(); });
-                actions->addWidget(retry);
-            }
+            auto *edit = actionButton(tr("编辑"), m_actions);
+            connect(edit, &QToolButton::clicked, this,
+                    [this]() { Q_EMIT editRequested(m_index); });
+            actions->addWidget(edit);
+            auto *retry = actionButton(tr("重试"), m_actions);
+            connect(retry, &QToolButton::clicked, this,
+                    [this]() { Q_EMIT retryRequested(m_index); });
+            actions->addWidget(retry);
         }
         actions->addStretch();
-        m_actions->hide();
         column->addWidget(m_actions);
 
         if (m_isUser) {
@@ -220,21 +221,10 @@ signals:
     void copyRequested(int index);
     void editRequested(int index);
     void forkRequested(int index);
-    void retryRequested();
+    void retryRequested(int index);
     void linkActivated(const QUrl &url);
 
 protected:
-    void enterEvent(QEnterEvent *event) override
-    {
-        m_actions->show();
-        QWidget::enterEvent(event);
-    }
-
-    void leaveEvent(QEvent *event) override
-    {
-        m_actions->hide();
-        QWidget::leaveEvent(event);
-    }
 
 private:
     ChatMessage m_message;
diff --git a/src/chat/chatview.h b/src/chat/chatview.h
index 967801f..616829f 100644
--- a/src/chat/chatview.h
+++ b/src/chat/chatview.h
@@ -36,7 +36,7 @@ signals:
     void copyRequested(int index);
     void editRequested(int index);
     void forkRequested(int index);
-    void retryRequested();
+    void retryRequested(int index);
     void linkActivated(const QUrl &url);
 
 protected:
diff --git a/src/chat/chatwindow.cpp b/src/chat/chatwindow.cpp
index 9f1831d..59bff17 100644
--- a/src/chat/chatwindow.cpp
+++ b/src/chat/chatwindow.cpp
@@ -5,6 +5,8 @@
 
 #include "config.h"
 #include "chatview.h"
+
+#include "../ui/aboutdialog.h"
 #include "markdown.h"
 #include "mcpclient.h"
 
@@ -555,7 +557,9 @@ void ChatWindow::setupUi()
     });
     connect(m_messages, &ChatMessageList::editRequested, this, &ChatWindow::editMessage);
     connect(m_messages, &ChatMessageList::forkRequested, this, &ChatWindow::forkFrom);
-    connect(m_messages, &ChatMessageList::retryRequested, this, &ChatWindow::retryLast);
+    connect(m_messages, &ChatMessageList::retryRequested, this, [this](int index) {
+        retryFrom(index);
+    });
 
     auto *menu = new QMenu(menuButton);
     menu->addAction(tr("压缩上下文"), this, [this]() { beginCompression(false); });
@@ -925,9 +929,6 @@ void ChatWindow::editMessage(int index)
     if (index < 0 || index >= conversation.messages.size()) {
         return;
     }
-    if (conversation.messages.at(index).role != QStringLiteral("user")) {
-        return;
-    }
 
     QDialog dialog(this);
     dialog.setWindowTitle(tr("编辑消息"));
@@ -959,6 +960,27 @@ void ChatWindow::editMessage(int index)
     requestCompletion();
 }
 
+void ChatWindow::retryFrom(int index)
+{
+    if (m_client->busy() || m_compressing || m_current < 0) {
+        return;
+    }
+    ChatConversation &conversation = m_conversations[m_current];
+    if (index < 0 || index >= conversation.messages.size()) {
+        return;
+    }
+    if (conversation.messages.at(index).role != QStringLiteral("assistant")) {
+        return;
+    }
+
+    /* drop everything from the assistant answer on, then regenerate it */
+    conversation.messages.resize(index);
+    conversation.updatedAt = QDateTime::currentMSecsSinceEpoch();
+    save();
+    renderConversation();
+    requestCompletion();
+}
+
 void ChatWindow::retryLast()
 {
     if (m_client->busy() || m_compressing || m_current < 0) {
@@ -1028,15 +1050,7 @@ void ChatWindow::handleAnchor(const QUrl &url)
 
 void ChatWindow::showAbout()
 {
-    QMessageBox::about(
-        this, tr("关于小埃同学"),
-        tr("<h3>GXDE 小埃同学</h3>"
-           "<p>版本 %1</p>"
-           "<p>GXDE 桌面的 AI 助手：传送门、内容工厂、待办与对话。</p>"
-           "<p>许可证：GPL-3.0-or-later<br/>"
-           "仓库：<a href='https://gitee.com/GXDE-OS/gxde-ai-see'>"
-           "gitee.com/GXDE-OS/gxde-ai-see</a></p>")
-            .arg(QCoreApplication::applicationVersion()));
+    showAboutDialog(this, tr("GXDE 桌面的 AI 助手：传送门、内容工厂、待办与对话。"));
 }
 
 void ChatWindow::appendError(const QString &message)
diff --git a/src/chat/chatwindow.h b/src/chat/chatwindow.h
index 084421a..eda8d7d 100644
--- a/src/chat/chatwindow.h
+++ b/src/chat/chatwindow.h
@@ -68,6 +68,7 @@ private:
     void sendPayload();
     void editMessage(int index);
     void retryLast();
+    void retryFrom(int index);
     void forkFrom(int index);
     void beginCompression(bool thenSend);
     void handleAnchor(const QUrl &url);
diff --git a/src/dialogs/segmentdialog.cpp b/src/dialogs/segmentdialog.cpp
index f134387..0d68aa4 100644
--- a/src/dialogs/segmentdialog.cpp
+++ b/src/dialogs/segmentdialog.cpp
@@ -6,6 +6,7 @@
 #include "flowlayout.h"
 
 #include <QApplication>
+#include <QPalette>
 #include <QClipboard>
 #include <QEvent>
 #include <QLabel>
@@ -21,12 +22,17 @@ SegmentDialog::SegmentDialog(const QStringList &words, QWidget *parent)
     setAttribute(Qt::WA_DeleteOnClose);
     resize(560, 420);
 
+    const bool dark = palette().color(QPalette::Window).lightness() < 128;
+    const QColor capsuleBg = dark ? QColor(255, 255, 255, 20) : QColor(0, 0, 0, 18);
+    const QColor capsuleBorder = dark ? QColor(255, 255, 255, 30) : QColor(0, 0, 0, 28);
+    const QColor textColor = palette().color(QPalette::WindowText);
+
     auto *layout = new QVBoxLayout(this);
     layout->setContentsMargins(16, 14, 16, 14);
     layout->setSpacing(10);
 
     auto *hint = new QLabel(tr("按住并滑过词语可以连续选择，选中后复制。"), this);
-    hint->setStyleSheet(QStringLiteral("color: rgba(255,255,255,0.55); font-size: 12px;"));
+    hint->setStyleSheet(QStringLiteral("font-size: 12px;"));
     layout->addWidget(hint);
 
     auto *scroll = new QScrollArea(this);
@@ -44,12 +50,20 @@ SegmentDialog::SegmentDialog(const QStringList &words, QWidget *parent)
         capsule->setCursor(Qt::PointingHandCursor);
         capsule->setFocusPolicy(Qt::NoFocus);
         capsule->setStyleSheet(QStringLiteral(
-            "QPushButton { color: rgba(255,255,255,0.85); background: rgba(255,255,255,0.07);"
-            " border: 1px solid rgba(255,255,255,0.10); border-radius: 11px;"
-            " padding: 3px 10px; font-size: 13px; }"
-            "QPushButton:hover { background: rgba(255,255,255,0.14); }"
-            "QPushButton:checked { background: rgba(74,144,255,0.55);"
-            " border-color: rgba(160,205,255,0.9); color: white; }"));
+            "QPushButton { color: %1; background: %2; border: 1px solid %3;"
+            " border-radius: 11px; padding: 3px 10px; font-size: 13px; }"
+            "QPushButton:hover { background: %4; }"
+            "QPushButton:checked { background: rgba(74,144,255,0.85);"
+            " border-color: rgba(74,144,255,1.0); color: white; }")
+                                    .arg(textColor.name(),
+                                         QStringLiteral("rgba(%1,%2,%3,%4)")
+                                             .arg(capsuleBg.red())
+                                             .arg(capsuleBg.green())
+                                             .arg(capsuleBg.blue())
+                                             .arg(capsuleBg.alpha()),
+                                         capsuleBorder.name(),
+                                         dark ? QStringLiteral("rgba(255,255,255,30)")
+                                              : QStringLiteral("rgba(0,0,0,28)")));
         capsule->installEventFilter(this);
         connect(capsule, &QPushButton::released, this, [this]() { m_selecting = false; });
         flow->addWidget(capsule);
@@ -60,7 +74,7 @@ SegmentDialog::SegmentDialog(const QStringList &words, QWidget *parent)
     auto *all = new QPushButton(tr("全选"), this);
     auto *none = new QPushButton(tr("清空"), this);
     m_count = new QLabel(tr("已选 0 个"), this);
-    m_count->setStyleSheet(QStringLiteral("color: rgba(255,255,255,0.55); font-size: 12px;"));
+    m_count->setStyleSheet(QStringLiteral("font-size: 12px;"));
     auto *copy = new QPushButton(tr("复制选中"), this);
     copy->setStyleSheet(QStringLiteral(
         "QPushButton { color: white; background: rgba(74,144,255,0.85); border: none;"
diff --git a/src/todo/todowindow.cpp b/src/todo/todowindow.cpp
index a29b4fd..f7ad43a 100644
--- a/src/todo/todowindow.cpp
+++ b/src/todo/todowindow.cpp
@@ -12,6 +12,7 @@
 #include <QDialogButtonBox>
 #include <QGuiApplication>
 #include <QHBoxLayout>
+#include <QIcon>
 #include <QLabel>
 #include <QLineEdit>
 #include <QListView>
@@ -145,6 +146,9 @@ TodoWindow::TodoWindow(TodoModel *model, QWidget *parent)
     , m_model(model)
 {
     setWindowTitle(tr("待办"));
+    setWindowIcon(QIcon::fromTheme(
+        QStringLiteral("gxde-ai-see-todo"),
+        QIcon(QStringLiteral("/usr/share/icons/hicolor/256x256/apps/gxde-ai-see-todo.png"))));
     setWindowFlags(Qt::FramelessWindowHint | Qt::Tool);
     setAttribute(Qt::WA_TranslucentBackground);
     setAttribute(Qt::WA_ShowWithoutActivating);
diff --git a/src/ui/aboutdialog.cpp b/src/ui/aboutdialog.cpp
new file mode 100644
index 0000000..8d4c756
--- /dev/null
+++ b/src/ui/aboutdialog.cpp
@@ -0,0 +1,25 @@
+// SPDX-FileCopyrightText: 2026 GXDE OS Team
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "aboutdialog.h"
+
+#include <QApplication>
+#include <QCoreApplication>
+#include <QIcon>
+
+#include <DAboutDialog>
+
+void showAboutDialog(QWidget *parent, const QString &description)
+{
+    auto *dialog = new Dtk::Widget::DAboutDialog(parent);
+    dialog->setAttribute(Qt::WA_DeleteOnClose);
+    dialog->setWindowTitle(QObject::tr("关于小埃同学"));
+    dialog->setProductIcon(QApplication::windowIcon());
+    dialog->setProductName(QObject::tr("GXDE 小埃同学"));
+    dialog->setVersion(QCoreApplication::applicationVersion());
+    dialog->setDescription(description);
+    dialog->setLicense(QStringLiteral("GPL-3.0-or-later"));
+    dialog->setWebsiteName(QStringLiteral("gitee.com/GXDE-OS/gxde-ai-see"));
+    dialog->setWebsiteLink(QStringLiteral("https://gitee.com/GXDE-OS/gxde-ai-see"));
+    dialog->show();
+}
diff --git a/src/ui/aboutdialog.h b/src/ui/aboutdialog.h
new file mode 100644
index 0000000..ed88b4d
--- /dev/null
+++ b/src/ui/aboutdialog.h
@@ -0,0 +1,11 @@
+// SPDX-FileCopyrightText: 2026 GXDE OS Team
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#pragma once
+
+#include <QString>
+
+class QWidget;
+
+/** DTK native about dialog shared by the panel and the chat window. */
+void showAboutDialog(QWidget *parent, const QString &description);
diff --git a/src/ui/portalpanel.cpp b/src/ui/portalpanel.cpp
index 34cc994..1bf6894 100644
--- a/src/ui/portalpanel.cpp
+++ b/src/ui/portalpanel.cpp
@@ -11,6 +11,7 @@
 #include "factory/contentclassifier.h"
 #include "factory/contentfactory.h"
 
+#include "aboutdialog.h"
 #include "dialogs/segmentdialog.h"
 #include "dialogs/speechdialog.h"
 #include "todo/todomodel.h"
@@ -580,7 +581,7 @@ public:
         setMinimumHeight(190);
 
         m_portalTimer.setSingleShot(true);
-        m_portalTimer.setInterval(150);
+        m_portalTimer.setInterval(80);
         connect(&m_portalTimer, &QTimer::timeout, this, [this]() {
             if (m_active && !m_suppressed) {
                 Q_EMIT portalRequested();
@@ -1203,6 +1204,7 @@ void PortalPanel::runFactoryAction(const QString &id, const DropContent &content
                                                                : content.summary();
         TodoModel::instance()->add(text);
         toast(tr("已添加到待办"));
+        Q_EMIT todoAdded();
         return;
     }
     if (id == QLatin1String("save_image")) {
@@ -1401,6 +1403,7 @@ void PortalPanel::showContextMenu(const QPoint &globalPos)
 
     menu.addSeparator();
     QAction *clear = menu.addAction(tr("清空暂存区"));
+    QAction *hide = menu.addAction(tr("隐藏"));
     QAction *about = menu.addAction(tr("关于"));
     QAction *quit = menu.addAction(tr("退出"));
 
@@ -1420,11 +1423,22 @@ void PortalPanel::showContextMenu(const QPoint &globalPos)
             menuPos.setX(available.right() - menuSize.width());
         }
     }
+    menuPos.setX(globalPos.x() - menuSize.width() - 10);
+    if (scr) {
+        const QRect available = scr->availableGeometry();
+        if (menuPos.x() < available.left()) {
+            menuPos.setX(available.left());
+        }
+    }
     QAction *chosen = menu.exec(menuPos);
     if (!chosen) {
         return;
     }
 
+    if (chosen == hide) {
+        Q_EMIT hideRequested();
+        return;
+    }
     if (chosen == fixedPosition) {
         m_fixedPosition = fixedPosition->isChecked();
         saveWindowState();
@@ -1469,13 +1483,7 @@ void PortalPanel::showContextMenu(const QPoint &globalPos)
     } else if (chosen == clear) {
         m_model->clearAll();
     } else if (chosen == about) {
-        QMessageBox::about(
-            this, tr("关于小埃同学"),
-            tr("<h3>GXDE 小埃同学</h3><p>版本 %1</p>"
-               "<p>传送门、内容工厂、待办与小埃同学对话。</p>"
-               "<p>GPL-3.0-or-later · "
-               "<a href='https://gitee.com/GXDE-OS/gxde-ai-see'>gxde-ai-see</a></p>")
-                .arg(QCoreApplication::applicationVersion()));
+        showAboutDialog(nullptr, tr("传送门、内容工厂、待办与小埃同学对话。"));
     } else if (chosen == quit) {
         QCoreApplication::quit();
     }
diff --git a/src/ui/portalpanel.h b/src/ui/portalpanel.h
index dabcd53..37e7edd 100644
--- a/src/ui/portalpanel.h
+++ b/src/ui/portalpanel.h
@@ -41,6 +41,8 @@ public:
 signals:
     void openChatRequested();
     void askWithContent(const QString &text, const QStringList &files);
+    void hideRequested();
+    void todoAdded();
 
 protected:
     void showEvent(QShowEvent *event) override;