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链接含有我的推广，望大家来助力！https://developer.aliyun.com/learning/topic/covid-19/2021?taskCode=deveventnew210301&recordId=341347&userCode=qhrfl7xv&share_source=copy_link
https://developer.aliyun.com/learning/topic/covid-19/2021?taskCode=deveventnew210301&recordId=341381&userCode=sn9nlb8h 这个邀请需要注册助力，有点难度呀
本次奖励为“红米移动充电宝（10000毫安时）”，限量300个送完为止先到先得 sanleba
