dìngdān hái méi fāhuò shí tōngcháng hǎo chǔlǐ, fāhuò hòu jiù yào liánxì kuàidì gǎipài, bù yídìng chénggōng

订单还没发货时通常好处理，发货后就要联系快递改派，不一定成功。

It is usually easy to handle before the order is shipped, but once shipped, you have to contact the courier to redirect it, which may not succeed