用户参与二维码设置
参与可通过扫通用二维码和自有公众号二维码两种方式，如您没有自有公众号，请直接使用通用二维码。如您有自有公众号，请先打开自有公众号右上角的启用开关，并按照右侧的帮助进行配置操作，如下图4所示。
图4
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