c# 服务端推送目标问题（同时标签+ 别名）

C# 单独推送标签可以接收。但是标签+别名的方式发送不到设备。 求帮忙

{
    "platform":[
        "android",
        "ios"
    ],
    "audience":{
        "tag":[
            "liu",
            "xin"
        ],
        "alias":[
            "bieming1",
            "bieming2"
        ]
    },
    "notification":{
        "alert":"Test from C# v3 sdk - msgContent",
        "ios":{
            "sound":"",
            "badge":"+1",
            "content-available":false,
            "category":null,
            "alert":null,
            "extras":{
                "456":"458",
                "sd":"222"
            }
        },
        "android":{
            "title":"Android Title",
            "builder_id":0,
            "priority":0,
            "category":null,
            "style":0,
            "big_text":null,
            "inbox":null,
            "big_pic_path":null,
            "alert":null,
            "extras":{
                "456":"458",
                "sd":"222"
            }
        },
        "winphone":null
    },
    "message":null,
    "sms_message":null,
    "options":{
        "sendno":0,
        "override_msg_id":0,
        "time_to_live":-1,
        "big_push_duration":0,
        "apns_production":false
    }
}