极光推送好多都无法送达但是推送成功了，就是目标没有送达

Android 1目标0在线0送达0点击0自定义点击
iOS 0目标 0成功0点击 0自定义目标 0自定义送达

如何提升送达率？

Message ID 20266198639079115
推送平台 ios-product,android
推送结果 已发送
audience {"alias":["47e5fdb05eeb11e7b7e737415ca81bfa"]}
notification {"android":{"extras":{"expressOrder_id":"be85d5b0-7405-11e7-bf3d-75644c945ba4","responser":"sender","action_type":"expressOrder_handle"},"alert":"编号为[1NHVC7SQT4098]"},"ios":{"sound":"default","extras":{"expressOrder_id":"be85d5b0-7405-11e7-bf3d-75644c945ba4","responser":"sender","action_type":"expressOrder_handle"},"badge":1,"alert":"编号为[1NHVC7SQT4098]"},"alert":"订单已被接单"}
message null
options {"sendno":3976219383,"time_to_live":"86400","apns_production":true}