案例:周某与某商场签订了为期三年的劳动合同,合同中约定:试用期为三个月,周某的工作岗位为收银员,并约定,任何一方要求提前解除劳动合同,应向对方支付违约金。合同签订的当月,商场劳资科通知周某,其工作改为导购员。周某表示不同意,并指出,如果商场一定要变更 Case: Zhou and a shopping mall signed a three-year labor contract, the contract agreed: the probation period of three months, Zhou’s job as a cashier, and agreed that any one of the parties requested the termination of the labor contract in advance, should be to each other Pay liquidated damages. Contract signed the month, the mall labor and social science department informed Zhou, its work to Purchasing Guide. Zhou said he did not agree, and pointed out that if the mall must be changed