ruò jiā zhōng wú rén huò xū yào gēng gǎi shí jiān qǐng tí qián zài wù yè qún huò bào xiū yè miàn liú yán

若家中无人或需要更改时间，请提前在物业群或报修页面留言。

If no one is at home or you need to change the time, please leave a message in the property group or on the repair request page in advance.