fix: Fix the error code in the notification module

aspnet-core/modules/realtime-notifications/LINGYUN.Abp.Notifications.Domain.Shared/LINGYUN/Abp/Notifications/AbpNotificationsDomainSharedModule.cs

@@ -1,5 +1,6 @@
 using LINGYUN.Abp.Notifications.Localization;
 using Volo.Abp.Localization;
+using Volo.Abp.Localization.ExceptionHandling;
 using Volo.Abp.Modularity;
 using Volo.Abp.Users;
 using Volo.Abp.VirtualFileSystem;
@@ -24,5 +25,10 @@ public class AbpNotificationsDomainSharedModule : AbpModule
                 .Get<NotificationsResource>()
                 .AddVirtualJson("/LINGYUN/Abp/Notifications/Localization/DomainShared");
         });
+
+        Configure<AbpExceptionLocalizationOptions>(options =>
+        {
+            options.MapCodeNamespace(NotificationsErrorCodes.Namespace, typeof(NotificationsResource));
+        });
     }
 }