开发公司的公众号做推送服务,按照正常token请求模板推送接口返回错误{"errcode":48001,"errmsg":"api unauthorized hint: [00601549!]"}

以前推送是用PHP写的  能推送 现在改成java 就报48001错误   {"errcode":48001,"errmsg":"api unauthorized hint: [00601549!]"}