diff --git a/mods/outliner/mod.js b/mods/outliner/mod.js
index 56efa89..0dd85cf 100644
--- a/mods/outliner/mod.js
+++ b/mods/outliner/mod.js
@@ -14,7 +14,7 @@ module.exports = {
   tags: ['extension', 'panel'],
   name: 'outliner',
   desc: 'table of contents.',
-  version: '1.0.0',
+  version: '1.1.0',
   author: 'CloudHill',
   options: [
     {
diff --git a/mods/outliner/panel.js b/mods/outliner/panel.js
index 044c8d7..428c8b6 100644
--- a/mods/outliner/panel.js
+++ b/mods/outliner/panel.js
@@ -69,16 +69,18 @@ module.exports = (store, __exports) => {
     const pageContent = document.querySelector('.notion-page-content');
     const headerBlocks = pageContent.querySelectorAll('[class*="header-block"]');
     
-    headerBlocks.forEach(block => {
-      const blockId = block.dataset.blockId.replace(/-/g, '');
-      const placeholder = block.querySelector('[placeholder]').getAttribute('placeholder');
-      const header = createElement(`
+    headerBlocks.forEach(header => {
+      const blockId = header.dataset.blockId.replace(/-/g, '');
+      const headerEl = header.querySelector('[placeholder]');
+      const placeholder = headerEl.getAttribute('placeholder');
+
+      const outlineHeader = createElement(`
         <div class="outline-header" header-level="${placeholder.slice(-1)}">
           <a href="${window.location.pathname}#${blockId}"
-            outline-placeholder="${placeholder}">${block.innerText}</a>
+            outline-placeholder="${placeholder}">${headerEl.innerHTML}</a>
         </div>
       `);
-      outline.append(header);
+      outline.append(outlineHeader);
     })
   }