包裹已收到,但遗憾的是其中一个盖子已被打破,联邦快递说外包装完好但可以为我出具证明,我想退回但我已支付了超过300美元的

包裹已收到,但遗憾的是其中一个盖子已被打破,联邦快递说外包装完好但可以为我出具证明,我想退回但我已支付了超过300美元的关税,另外,我发现其中一个罐子是完全破解经过修复的,之前我没有看到这些信息,我该怎么处理?
Package has been received, but unfortunately one of the cap has been broken, fedex said the outer packing in good condition but can issue a certificate for me, I want to return but I have to pay more than $300 of tariff, in addition, I found that one of the POTS is cracked, after repair, before I didn't see this information, I how to deal with?