推荐回答（5个）
一个群发的功能。所谓的清理好友就是，如果对方已经把你删除，你的消息会发不到，系统会提示，要添加为好友才可以。这时候你就知道对方已经把你删了，你也可以把对方给删了。
他在看哪个好友把他删除了。别人删除他，他是不知道的！
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