diff --git a/DysonNetwork.Sphere/Storage/Handlers/MessageReadReceiptFlushHandler.cs b/DysonNetwork.Sphere/Storage/Handlers/MessageReadReceiptFlushHandler.cs
index f5011b9..d9af8e5 100644
--- a/DysonNetwork.Sphere/Storage/Handlers/MessageReadReceiptFlushHandler.cs
+++ b/DysonNetwork.Sphere/Storage/Handlers/MessageReadReceiptFlushHandler.cs
@@ -22,7 +22,10 @@ public class MessageReadReceiptFlushHandler(IServiceProvider serviceProvider) :
 
         using var scope = serviceProvider.CreateScope();
         var db = scope.ServiceProvider.GetRequiredService<AppDatabase>();
-        await db.BulkInsertAsync(distinctItems, config => config.ConflictOption = ConflictOption.Ignore);
+        await db.BulkInsertAsync(distinctItems, config => {
+            config.ConflictOption = ConflictOption.Ignore;
+            config.UpdateByProperties = [nameof(MessageReadReceipt.MessageId), nameof(MessageReadReceipt.SenderId)];
+        });
     }
 }