diff --git a/src/resources/docs/shortcuts_en.md b/src/resources/docs/shortcuts_en.md
index 2ed6bceb..f8239958 100644
--- a/src/resources/docs/shortcuts_en.md
+++ b/src/resources/docs/shortcuts_en.md
@@ -9,6 +9,8 @@ Toggle expanding the edit area.
 Create a note in current folder.
 - `Ctrl+F`  
 Find/Replace in current note.
+- `Ctrl+Alt+F`  
+Advanced find.
 - `Ctrl+Q`  
 Quit VNote.
 - `Ctrl+J`/`Ctrl+K`  
@@ -240,6 +242,8 @@ Apply a snippet in edit mode.
 Export notes.
 - `I`  
 Toggle live preview panel.
+- `C`  
+Toggle full-text search.
 - `Shift+?`   
 Display shortcuts documentation.
 
diff --git a/src/resources/docs/shortcuts_zh.md b/src/resources/docs/shortcuts_zh.md
index 5817458c..0c8fd319 100644
--- a/src/resources/docs/shortcuts_zh.md
+++ b/src/resources/docs/shortcuts_zh.md
@@ -9,6 +9,8 @@
 在当前文件夹下新建笔记。
 - `Ctrl+F`  
 页内查找和替换。
+- `Ctrl+Alt+F`  
+高级查找。
 - `Ctrl+Q`  
 退出VNote。
 - `Ctrl+J`/`Ctrl+K`  
@@ -241,6 +243,8 @@ RemoveSplit=R
 导出笔记。
 - `I`  
 打开或关闭实时预览面板。
+- `C`  
+打开或关闭全文查找。
 - `Shift+?`   
 显示本快捷键说明。
 
diff --git a/src/vhelpue.cpp b/src/vhelpue.cpp
index afd61e79..4b718f7e 100644
--- a/src/vhelpue.cpp
+++ b/src/vhelpue.cpp
@@ -68,7 +68,7 @@ bool VHelpUE::initListWidget()
         m_listWidget->addItem(tr("Ctrl+J: Go to next item"));
         m_listWidget->addItem(tr("Ctrl+K: Go to previous item"));
         m_listWidget->addItem(tr("Ctrl+L: Go to current item's parent item"));
-        m_listWidget->addItem(tr("Ctrl+T: Expand/Collapse current item"));
+        m_listWidget->addItem(tr("Ctrl+Y: Expand/Collapse current item"));
         m_listWidget->addItem(tr("Ctrl+S: Sort items"));
         m_listWidget->addItem(tr("Enter: Activate current item"));
         m_listWidget->addItem(tr("Ctrl+M: Browse current item folder or the folder containing current item"));
diff --git a/src/vmainwindow.cpp b/src/vmainwindow.cpp
index 3694c534..f38d30b5 100644
--- a/src/vmainwindow.cpp
+++ b/src/vmainwindow.cpp
@@ -438,7 +438,7 @@ void VMainWindow::initViewToolBar(QSize p_iconSize)
     menuBarAct->setChecked(g_config->getMenuBarChecked());
     connect(menuBarAct, &QAction::triggered,
             this, [this](bool p_checked) {
-                menuBar()->setVisible(p_checked);
+                setMenuBarVisible(p_checked);
                 g_config->setMenuBarChecked(p_checked);
             });
 
@@ -767,7 +767,7 @@ void VMainWindow::initMenuBar()
     initMarkdownMenu();
     initHelpMenu();
 
-    menuBar()->setVisible(g_config->getMenuBarChecked());
+    setMenuBarVisible(g_config->getMenuBarChecked());
 }
 
 void VMainWindow::initHelpMenu()
@@ -951,16 +951,16 @@ void VMainWindow::initMarkdownMenu()
     markdownMenu->addAction(lineNumberAct);
     lineNumberAct->setChecked(g_config->getEnableCodeBlockLineNumber());
 
-    QAction *previewImageAct = new QAction(tr("Preview Images In Edit Mode"), this);
-    previewImageAct->setToolTip(tr("Enable image preview in edit mode (re-open current tabs to make it work)"));
+    QAction *previewImageAct = new QAction(tr("In-Place Preview"), this);
+    previewImageAct->setToolTip(tr("Enable in-place preview (images, diagrams, and formulas) in edit mode (re-open current tabs to make it work)"));
     previewImageAct->setCheckable(true);
     connect(previewImageAct, &QAction::triggered,
             this, &VMainWindow::enableImagePreview);
     markdownMenu->addAction(previewImageAct);
     previewImageAct->setChecked(g_config->getEnablePreviewImages());
 
-    QAction *previewWidthAct = new QAction(tr("Constrain The Width Of Previewed Images"), this);
-    previewWidthAct->setToolTip(tr("Constrain the width of previewed images to the edit window in edit mode"));
+    QAction *previewWidthAct = new QAction(tr("Constrain The Width Of In-Place Preview"), this);
+    previewWidthAct->setToolTip(tr("Constrain the width of in-place preview to the edit window in edit mode"));
     previewWidthAct->setCheckable(true);
     connect(previewWidthAct, &QAction::triggered,
             this, &VMainWindow::enableImagePreviewConstraint);
@@ -1424,7 +1424,7 @@ void VMainWindow::aboutMessage()
 {
     QString info = tr("<span style=\"font-weight: bold;\">v%1</span>").arg(VConfigManager::c_version);
     info += "<br/><br/>";
-    info += tr("VNote is a Vim-inspired note-taking application for Markdown.");
+    info += tr("VNote is a free Vim-inspired note-taking application that knows programmers and Markdown better.");
     info += "<br/>";
     info += tr("Please visit <a href=\"https://github.com/tamlok/vnote.git\">Github</a> for more information.");
     QMessageBox::about(this, tr("About VNote"), info);
@@ -3259,3 +3259,13 @@ void VMainWindow::checkNotebooks()
 
     m_notebookSelector->restoreCurrentNotebook();
 }
+
+void VMainWindow::setMenuBarVisible(bool p_visible)
+{
+    // Hiding the menubar will disable the shortcut of QActions.
+    if (p_visible) {
+        menuBar()->setFixedSize(QSize(QWIDGETSIZE_MAX, QWIDGETSIZE_MAX));
+    } else {
+        menuBar()->setFixedHeight(0);
+    }
+}
diff --git a/src/vmainwindow.h b/src/vmainwindow.h
index c355cd19..00f96655 100644
--- a/src/vmainwindow.h
+++ b/src/vmainwindow.h
@@ -287,6 +287,8 @@ private:
 
     void initUniversalEntry();
 
+    void setMenuBarVisible(bool p_visible);
+
     // Captain mode functions.
 
     // Popup the attachment list if it is enabled.
diff --git a/src/vuniversalentry.cpp b/src/vuniversalentry.cpp
index 4ba34503..9e4077b3 100644
--- a/src/vuniversalentry.cpp
+++ b/src/vuniversalentry.cpp
@@ -364,9 +364,9 @@ void VUniversalEntry::keyPressEvent(QKeyEvent *p_event)
 
         break;
 
-    case Qt::Key_T:
+    case Qt::Key_Y:
         if (VUtils::isControlModifierForVim(modifiers)) {
-            // Ctrl+T to expand or collapse an item.
+            // Ctrl+Y to expand or collapse an item.
             if (m_lastEntry) {
                 m_lastEntry->m_entry->toggleItemExpanded(m_lastEntry->m_id);
             }