原因如下
1、物流公司还未更新追踪信息,需要等待一段时间。
2、输入的追踪编号有误,是输入错误或者系统错误。
3、物流公司没有将追踪信息上传至亚马逊系统中。
The reasons are as follows
1. The logistics company has not updated the tracking information yet, and you need to wait for a while.
2. The input tracking number is incorrect, either due to input error or system error.
3. The logistics company has not uploaded the tracking information to the Amazon system.