sqlserver select query field if judgment usage

SELECT TOP 1000 [id],
      case when group_id>1 then 'vip'
           else 'Ordinary member'
           end
  FROM [YaleBaoV2].[dbo].[ylb_users]
 
 
  SELECT TOP 1000 [id],
      case group_id when 1 then 'Ordinary member'
          when 3 then 'Agent'
          when 4 then 'VIP User'          
           end
  FROM [YaleBaoV2].[dbo].[ylb_users]