diff --git a/src/note/noteExportController.ts b/src/note/noteExportController.ts
index c781b16..269eb55 100644
--- a/src/note/noteExportController.ts
+++ b/src/note/noteExportController.ts
@@ -304,6 +304,10 @@ class NoteExport extends AddonBase {
               this._Addon.SyncUtils.getMDStatusFromContent(content).content,
               false
             ),
+            noteMd5: Zotero.Utilities.Internal.md5(
+              noteInfo.note.getNote(),
+              false
+            ),
             lastsync: new Date().getTime(),
             itemID: noteInfo.id,
           });
diff --git a/src/sync/syncController.ts b/src/sync/syncController.ts
index 2d54619..23ed72d 100644
--- a/src/sync/syncController.ts
+++ b/src/sync/syncController.ts
@@ -84,11 +84,17 @@ class SyncController extends AddonBase {
     let MDAhead = false;
     let noteAhead = false;
     const md5 = Zotero.Utilities.Internal.md5(MDStatus.content, false);
+    const noteMd5 = Zotero.Utilities.Internal.md5(noteItem.getNote(), false);
     // MD5 doesn't match (md side change)
     if (md5 !== syncStatus.md5) {
       MDAhead = true;
     }
+    // MD5 doesn't match (note side change)
+    if (noteMd5 !== syncStatus.noteMd5) {
+      MDAhead = true;
+    }
     // Note version doesn't match (note side change)
+    // This might be unreliable when Zotero account is not login
     if (Number(MDStatus.meta.version) !== noteItem._version) {
       noteAhead = true;
     }
diff --git a/src/sync/syncUtils.ts b/src/sync/syncUtils.ts
index 5c4722f..eb67e7c 100644
--- a/src/sync/syncUtils.ts
+++ b/src/sync/syncUtils.ts
@@ -98,6 +98,7 @@ class SyncUtils extends AddonBase {
       path: "",
       filename: "",
       md5: "",
+      noteMd5: "",
       lastsync: new Date().getTime(),
       itemID: -1,
     };
diff --git a/src/zotero/events.ts b/src/zotero/events.ts
index 9049a56..5857bd6 100644
--- a/src/zotero/events.ts
+++ b/src/zotero/events.ts
@@ -1123,7 +1123,7 @@ class ZoteroEvents extends AddonBase {
       (window as unknown as XUL.XULWindow).openDialog(
         "chrome://Knowledge4Zotero/content/export.xul",
         "",
-        "chrome,centerscreen,width=400,height=400,resizable=yes",
+        "chrome,centerscreen,width=400,height=500,resizable=yes",
         io
       );
       await io.deferred.promise;
diff --git a/typing/global.d.ts b/typing/global.d.ts
index 064f6e9..3943e85 100644
--- a/typing/global.d.ts
+++ b/typing/global.d.ts
@@ -22,6 +22,7 @@ declare interface SyncStatus {
   path: string;
   filename: string;
   md5: string;
+  noteMd5: string;
   lastsync: number;
   itemID: number;
 }