node.js - 关于nodejs获取nodejs中包含数组的数据，请大牛指点

Answer 1

I went back and sorted it out and found that the content in the reply on the front page can be obtained. The problem now is the sentence .populate('reply.from reply.to', 'name'), the name cannot be linked

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I looked at the sample file several times and found that a certain parameter in other files was passed incorrectly. It hurts