服务端API customerServiceMessage.send返回-1 system erro

appid:wx5c0710371d0798c3

参数：{“image”:{“media_id”:“MUyzV1sq5z0r3gFtWZWUQYljGYnBomh9ZKjTgVXqcGm8aY41TcaESHS–vLFb80A”},“msgtype”:“image”,“touser”:“oYffV5XBsricBFeRlNk96sQ-KM5A”}

返回：{“errcode”:-1,“errmsg”:“system error hint: [uu0OTA07764924]”}