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@yoonching 非常感谢，原来可选false是指非必填吗，我以为是
false
必须填写的意思哈哈哈哈（
用ws发起请求时发现，按照文档说明，要获取消息内容需要一个messageId，请问这个字段的值应该在哪里获取呢？找了一遍文档好像没有相关说明
ws
messageId