Features:

- Node group CRUD operations with traffic-based filtering
  - Three grouping modes: average distribution, subscription-based, and traffic-based
  - Automatic and manual group recalculation with history tracking
  - Group assignment preview before applying changes
  - User subscription group locking to prevent automatic reassignment
  - Subscribe-to-group mapping configuration
  - Group calculation history and detailed reports
  - System configuration for group management (enabled/mode/auto_create)

  Database:
  - Add node_group table for group definitions
  - Add group_history and group_history_detail tables for tracking
  - Add node_group_ids (JSON) to nodes and subscribe tables
  - Add node_group_id and group_locked fields to user_subscribe table
  - Add migration files for schema changes

internal/logic/admin/user/updateUserSubscribeLogic.go

@@ -53,6 +53,7 @@ func (l *UpdateUserSubscribeLogic) UpdateUserSubscribe(req *types.UpdateUserSubs
 		Token:       userSub.Token,
 		UUID:        userSub.UUID,
 		Status:      userSub.Status,
+		NodeGroupId: userSub.NodeGroupId,
 	})
 
 	if err != nil {
@@ -74,5 +75,6 @@ func (l *UpdateUserSubscribeLogic) UpdateUserSubscribe(req *types.UpdateUserSubs
 		l.Errorf("ClearServerAllCache error: %v", err.Error())
 		return errors.Wrapf(xerr.NewErrCode(xerr.ERROR), "failed to clear server cache: %v", err.Error())
 	}
+
 	return nil
 }