主持人:公司与劳动者在第二个固定期限书面劳动合同中约定,劳动合同到期续延。但未写明续延的期限。劳动者在合同到期后继续工作,可否认定双方之间存在书面劳动合同?劳动者以双方未签订无固定期限劳动合同为由,主张双倍工资能否支持?江苏某企业 Moderator: The company and the workers in the second fixed-term written labor contract agreement, the contract renewal of labor due. But did not indicate the duration of the renewal. Whether workers can continue to work after the contract expires, can you conclude that there is a written labor contract between both parties? The worker claims that if the two parties have not signed a non-fixed-term labor contract,