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["任务id","任务类型","任务满足数量","任务描述","奖励道具id","奖励道具数量"]
["id","type","num","des","rewarditem","rewardnum"]
[1,1,1,"邀请1个好友",4,1]
[2,1,3,"邀请3个好友",4,1]
[3,2,"3;50","邀请的3个好友活跃达到50",1,200]
[4,3,3,"邀请的好友进行3次抽奖",2,10]
[5,3,5,"邀请的好友进行5次抽奖",2,10]