diff --git a/addon/chrome/content/overlay.xul b/addon/chrome/content/overlay.xul
index 2f60d27..5d07e24 100644
--- a/addon/chrome/content/overlay.xul
+++ b/addon/chrome/content/overlay.xul
@@ -21,6 +21,7 @@
         <key id="key_new_betternotes" class="key-type-betternotes" key="N" modifiers="accel" command="cmd_new_betternotes" />
         <key id="key_open_betternotes" class="key-type-betternotes" key="O" modifiers="accel" command="cmd_open_betternotes" />
         <key id="key_export_betternotes" class="key-type-betternotes" key="E" modifiers="accel" command="cmd_export_betternotes" />
+        <key id="key_sync_betternotes" class="key-type-betternotes" key="S" modifiers="accel" command="cmd_sync_betternotes" />
         <key id="key_indent_betternotes" class="key-type-betternotes" keycode="VK_TAB" command="cmd_indent_betternotes" />
         <key id="key_unindent_betternotes" class="key-type-betternotes" keycode="VK_TAB" modifiers="shift" command="cmd_unindent_betternotes" />
     </keyset>
@@ -30,6 +31,7 @@
         <command id="cmd_open_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'selectMainKnowledge'});" />
         <command id="cmd_open_betternotesWindow" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'openWorkspaceInWindow'});" />
         <command id="cmd_export_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'export', content: {editorInstance: {_item: false}}});" />
+        <command id="cmd_sync_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'sync'});" />
         <command id="cmd_sync_manager_betternotes" oncommand="Zotero.Knowledge4Zotero.syncList.openSyncList();" />
         <command id="cmd_editTemplate_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'editTemplate'});" />
         <command id="cmd_addheading_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'addHeading'});" />
@@ -54,6 +56,7 @@
         <menuitem id="menu_new_betternotes" class="menu-type-betternotes" label="&zotero.__addonRef__.workspace.menu.new;" key="key_new_betternotes" accesskey="N" command="cmd_new_betternotes" />
         <menuitem id="menu_open_betternotes" class="menu-type-betternotes" label="&zotero.__addonRef__.workspace.menu.open;" key="key_open_betternotes" accesskey="O" command="cmd_open_betternotes" />
         <menuitem id="menu_export_betternotes" class="menu-type-betternotes" label="&zotero.__addonRef__.workspace.menu.export;" key="key_export_betternotes" accesskey="E" command="cmd_export_betternotes" />
+        <menuitem id="menu_sync_betternotes" class="menu-type-betternotes" label="&zotero.__addonRef__.workspace.menu.sync;" key="key_sync_betternotes" accesskey="S" command="cmd_sync_betternotes" />
         <menuitem id="menu_sync_manager_betternotes" label="&zotero.__addonRef__.workspace.menu.syncmanager;" command="cmd_sync_manager_betternotes" />
     </menupopup>
 
diff --git a/addon/chrome/content/workspace.xul b/addon/chrome/content/workspace.xul
index 8518e85..5dbcad7 100644
--- a/addon/chrome/content/workspace.xul
+++ b/addon/chrome/content/workspace.xul
@@ -29,6 +29,7 @@
         <key id="key_new" key="N" modifiers="accel" command="cmd_new" />
         <key id="key_open" key="O" modifiers="accel" command="cmd_open" />
         <key id="key_export" key="E" modifiers="accel" command="cmd_export" />
+        <key id="key_sync_betternotes" key="S" modifiers="accel" command="cmd_sync_betternotes" />
         <key id="key_close" key="W" modifiers="accel" command="cmd_close" />
         <!-- <key id="key_insertNotes" key="I" modifiers="accel" command="cmd_insertNotes" /> -->
         <key id="key_indent" keycode="VK_TAB" command="cmd_indent_betternotes" />
@@ -38,6 +39,7 @@
     <command id="cmd_open" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'selectMainKnowledge'});" />
     <command id="cmd_openWindow" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'openWorkspaceInWindow'});" />
     <command id="cmd_export" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'export', content: {editorInstance: {_item: false}}});" />
+    <command id="cmd_sync_betternotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'sync'});" />
     <command id="cmd_sync_manager_betternotes" oncommand="Zotero.Knowledge4Zotero.syncList.openSyncList();" />
     <command id="cmd_close" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'closeWorkspace'});" />
     <!-- <command id="cmd_insertNotes" oncommand="Zotero.Knowledge4Zotero.events.onEditorEvent({type: 'insertNotes'});" /> -->
@@ -58,6 +60,7 @@
                 <menuitem id="menu_new" label="&zotero.__addonRef__.workspace.menu.new;" key="key_new" accesskey="N" command="cmd_new" />
                 <menuitem id="menu_open" label="&zotero.__addonRef__.workspace.menu.open;" key="key_open" accesskey="O" command="cmd_open" />
                 <menuitem id="menu_export" label="&zotero.__addonRef__.workspace.menu.export;" key="key_export" accesskey="E" command="cmd_export" />
+                <menuitem id="menu_sync_betternotes" label="&zotero.__addonRef__.workspace.menu.sync;" key="key_sync_betternotes" accesskey="S" command="cmd_sync_betternotes" />
                 <menuitem id="menu_sync_manager_betternotes" label="&zotero.__addonRef__.workspace.menu.syncmanager;" command="cmd_sync_manager_betternotes" />
                 <menuitem id="menu_close" label="&closeCmd.label;" key="key_close" accesskey="&closeCmd.accesskey;" command="cmd_close" />
             </menupopup>
diff --git a/addon/chrome/locale/en-US/overlay.dtd b/addon/chrome/locale/en-US/overlay.dtd
index af68f1c..2dcd49f 100644
--- a/addon/chrome/locale/en-US/overlay.dtd
+++ b/addon/chrome/locale/en-US/overlay.dtd
@@ -4,6 +4,7 @@
 <!ENTITY zotero.__addonRef__.workspace.menu.open "Open Main Note...">
 <!ENTITY zotero.__addonRef__.workspace.menu.openWindow "Open Workspace in Standalone Window">
 <!ENTITY zotero.__addonRef__.workspace.menu.export "Export Main Note...">
+<!ENTITY zotero.__addonRef__.workspace.menu.sync "Sync Main Note">
 <!ENTITY zotero.__addonRef__.workspace.menu.syncmanager "Better Notes Sync Manager">
 <!ENTITY zotero.__addonRef__.workspace.menu.insertNotes "Insert Notes...">
 <!ENTITY zotero.__addonRef__.workspace.menu.insertTextTemplate "Insert Template">
diff --git a/addon/chrome/locale/zh-CN/overlay.dtd b/addon/chrome/locale/zh-CN/overlay.dtd
index 904ccef..9958c77 100644
--- a/addon/chrome/locale/zh-CN/overlay.dtd
+++ b/addon/chrome/locale/zh-CN/overlay.dtd
@@ -4,6 +4,7 @@
 <!ENTITY zotero.__addonRef__.workspace.menu.open "打开主笔记...">
 <!ENTITY zotero.__addonRef__.workspace.menu.openWindow "在独立窗口中打开工作区">
 <!ENTITY zotero.__addonRef__.workspace.menu.export "导出主笔记...">
+<!ENTITY zotero.__addonRef__.workspace.menu.sync "同步主笔记">
 <!ENTITY zotero.__addonRef__.workspace.menu.syncmanager "Better Notes同步管理">
 <!ENTITY zotero.__addonRef__.workspace.menu.insertNotes "插入多条笔记...">
 <!ENTITY zotero.__addonRef__.workspace.menu.insertTextTemplate "插入模板">
diff --git a/src/events.ts b/src/events.ts
index 8701075..9f22ad9 100644
--- a/src/events.ts
+++ b/src/events.ts
@@ -1377,6 +1377,18 @@ class AddonEvents extends AddonBase {
           !useSingleFile
         );
       }
+    } else if (message.type === "sync") {
+      /*
+        message.content = {
+          editorInstance
+        }
+      */
+      const note = this._Addon.knowledge.getWorkspaceNote();
+      if (this._Addon.sync.isSyncNote(note)) {
+        this._Addon.sync.doSync([note], true, false);
+      } else {
+        await this._Addon.knowledge.exportNotesToFile([note], false, true);
+      }
     } else if (message.type === "openAttachment") {
       /*
         message.content = {
diff --git a/src/knowledge.ts b/src/knowledge.ts
index 68f22b9..dd57e47 100644
--- a/src/knowledge.ts
+++ b/src/knowledge.ts
@@ -867,7 +867,8 @@ class Knowledge extends AddonBase {
     Components.utils.import("resource://gre/modules/osfile.jsm");
     this._exportFileDict = [];
     const filepath = await pick(
-      Zotero.getString("fileInterface.export"),
+      Zotero.getString(useSync ? "sync.sync" : "fileInterface.export") +
+        " MarkDown",
       "folder"
     );
 
diff --git a/src/sync.ts b/src/sync.ts
index 986f3e8..5144a29 100644
--- a/src/sync.ts
+++ b/src/sync.ts
@@ -110,6 +110,11 @@ class AddonSync extends AddonBase {
     return ids.split(",").map((id: string) => Number(id));
   }
 
+  isSyncNote(note: ZoteroItem): boolean {
+    const syncNoteIds = this._Addon.sync.getSyncNoteIds();
+    return syncNoteIds.includes(note.id);
+  }
+
   async getRelatedNoteIds(note: ZoteroItem): Promise<Number[]> {
     let allNoteIds: Number[] = [note.id];
     const linkMatches = note.getNote().match(/zotero:\/\/note\/\w+\/\w+\//g);