anonymous是什么意思？
anonymous是形容词，意为“匿名的，无名的；无个性特征的”； 单词发音：英，美； 不知姓名的；名字不公开的 with a name that is not known or that is not made public 匿名的；不具名的 written, given, made, etc. by sb who does not want their name to be known or made public 没有特色的 without any unusual or interesting features anonymously adv.
502代码错误怎么办？
第一种是后台程序开太多，解决方法就是关掉一些app
第二种是app没更新，那就更新一下
第三种是ios自己有bug，那就要等到app或者ios系统的下一次更新才能解决502代码错误问题
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