gǎi zhī qián xiān què rèn àn niǔ yòng tú, mái diǎn hé tǒng jì kǒu jìng, néng bì miǎn hòu miàn jiě shì bù qīng

改之前先确认按钮用途、埋点和统计口径，能避免后面解释不清。

Before making changes, confirm the button's function, tracking points, and statistical metrics to avoid unclear explanations later.