diff --git a/lib/core/utils/synchrodata.dart b/lib/core/utils/synchrodata.dart
index 6571862c5..5cca0d2e1 100644
--- a/lib/core/utils/synchrodata.dart
+++ b/lib/core/utils/synchrodata.dart
@@ -171,19 +171,34 @@ class Synchrodata {
           List speakerList = jsonDecode(element['original']);
           if (existSpeakerList.isNotEmpty) {
             final batch = txn.batch();
-            for (var item in speakerList) {
-              batch.update(
-                'meetingspeaker',
-                item,
-                where: 'id = ?',
-                whereArgs: [item['id']],
-              );
+            for (var i = 0; i < existSpeakerList.length; i++) {
+              Map item = speakerList[i] ?? {};
+              if (item.isNotEmpty) {
+                batch.update(
+                  'meetingspeaker',
+                  {
+                    'meetingid': item['meetingid'],
+                    'content': item['content'],
+                    'starttime': item['starttime'],
+                    'endtime': item['endtime'],
+                    'speaker': item['speaker'],
+                  },
+                  where: 'id = ?',
+                  whereArgs: [existSpeakerList[i]['id']],
+                );
+              }
             }
             await batch.commit();
           } else {
             final batch = txn.batch();
             for (var item in speakerList) {
-              batch.insert('meetingspeaker', item);
+              batch.insert('meetingspeaker', {
+                'meetingid': item['meetingid'],
+                'content': item['content'],
+                'starttime': item['starttime'],
+                'endtime': item['endtime'],
+                'speaker': item['speaker'],
+              });
             }
             await batch.commit();
           }