这里index = 0（number)
其中orders的数据结构如下：
comments的数据结构如下：
相关问题
相关文档
- Version Update Log: Mini Program/Development/Capabilities/Industry capability/Mini Program Live/Version Update Log
- Interface update log: Mini Program/Development/Capabilities/Commercial capabilities/Mini Program alliance/Push client/Open interface/Update log
- Update goods: 小商店/Development/Capabilities/Commercial capabilities/Trading component/Custom trading components and open interfaces/Server interface/SPU interface/Update goods
- VKSession.update3DMode: 小程序/开发/API/AI/视觉算法/VKSession/VKSession.update3DMode
- Update coupon inventory: 小商店/Development/Capabilities/Commercial capabilities/Trading component/Custom trading components and open interfaces/Server interface/Coupon Interface/Update coupon inventory
[`comments[${index}].replyers`] // 这样呢这个动态key，加[] 就好了
[`comments.${index}.replayers`]:_.push(reply_to)
跟update没关系，es6动态键