如题，报这个错到底咋回事？请教，哎，这个问题困扰好久了，不知道咋回事。完整的消息如下
{
"errors": "Wrong number of args (2) passed to: core/vec",
"updatedAt": "2016-06-01T03:34:15.972Z",
"where": {
"query": {
"channels": {
"$nin": [
"1416382083129134299"
],
"$in": [
"ssrdoctor"
]
}
},
"sort": {
"createdAt": 1
}
},
"push-time": null,
"prod": "prod",
"notificationId": "HO0AxLEIiyt9XAAR",
"createdAt": "2016-06-01T03:34:15.820Z",
"msg": {
"alert": "【小啊】\n问题“小啊”发起抢单",
"sound": "default",
"action": "com.sunshine.SSRDOCTOR",
"extras": {
"doctor_user_id": "0",
"fee": 0,
"is_advised": 0,
"except": [
"1416382083129134299"
],
"object_id": "1416382083148853726",
"age": "2岁5月",
"child_nick": "小明",
"issue_status": 0,
"content": "【小啊】\n问题“小啊”发起抢单",
"sender_name": "yjing",
"sender_id": "1416382083129134299",
"object_kind": 4,
"title": "小啊",
"send_at": "2016-06-01 11:34:34",
"status": 0,
"receiver_id": "6342475650380758476",
"id": "1416382083148853727",
"count": 1,
"url": "",
"is_doc_estimate": 0,
"user_id": "1416382083129134299",
"child_name": "小明",
"is_estimate": 0,
"receiver_header": "",
"sender_header": ""
}
},
"status": "done",
"devices": 3,
"through?": null
}