diff --git a/src/resources/markdown-it.js b/src/resources/markdown-it.js
index 54490c95..31282867 100644
--- a/src/resources/markdown-it.js
+++ b/src/resources/markdown-it.js
@@ -60,7 +60,7 @@ mdit = mdit.use(window.markdownitHeadingAnchor, {
         toc.push({
             level: getHeadingLevel(openToken.tag),
             anchor: anchor,
-            title: inlineToken.content
+            title: escapeHtml(inlineToken.content)
         });
     }
 });
diff --git a/src/resources/markdown_template.js b/src/resources/markdown_template.js
index 36fa6aec..1ea3b30b 100644
--- a/src/resources/markdown_template.js
+++ b/src/resources/markdown_template.js
@@ -313,3 +313,16 @@ var insertImageCaption = function() {
 var finishLogics = function() {
     content.finishLogics();
 };
+
+// Escape @text to Html.
+var escapeHtml = function(text) {
+  var map = {
+    '&': '&',
+    '<': '&lt;',
+    '>': '&gt;',
+    '"': '&quot;',
+    "'": '&#039;'
+  };
+
+  return text.replace(/[&<>"']/g, function(m) { return map[m]; });
+};
diff --git a/src/resources/showdown.js b/src/resources/showdown.js
index 33e77cb7..cec52b3e 100644
--- a/src/resources/showdown.js
+++ b/src/resources/showdown.js
@@ -24,7 +24,7 @@ var parseHeadings = function(html) {
         toc.push({
             level: level,
             anchor: ele.id,
-            title: ele.innerText
+            title: ele.innerHTML
         });
     }
 
diff --git a/src/veditwindow.cpp b/src/veditwindow.cpp
index 0ae3f565..9abea75c 100644
--- a/src/veditwindow.cpp
+++ b/src/veditwindow.cpp
@@ -43,8 +43,8 @@ VEditWindow::VEditWindow(VNote *vnote, VEditArea *editArea, QWidget *parent)
 void VEditWindow::initTabActions()
 {
     m_locateAct = new QAction(QIcon(":/resources/icons/locate_note.svg"),
-                              tr("Locate To Directory"), this);
-    m_locateAct->setToolTip(tr("Locate the directory of current note"));
+                              tr("Locate To Folder"), this);
+    m_locateAct->setToolTip(tr("Locate the folder of current note"));
     connect(m_locateAct, &QAction::triggered,
             this, &VEditWindow::handleLocateAct);