群发接口根据openid群发返回成功，但是实际上没发送出去

String url = "https://api.weixin.qq.com/cgi-bin/message/mass/send?access_token=ACCESS_TOKEN";

accessToken------------------------:28_OEYy16BowmwSKmKZHvt1HDncLZght4qhCuVZDuwd5ek8lOlplersG4A9_aihKOgpWaENSSDU_8LLkPXHNlWCImZ9bfCZ5rhbZiOvGgvxlThUNYaj-nqS1riYTOm-ySCI6f5lAenLiYXKMZRlDWShADARKG

公众号发送消息入参-------------:{“touser”:[“oEPEHwvIJYFMUBEKcIDM6lwSp_iM”,“oEPEHwqJ7g_oh-BesRGbwhsg3tv0”,“oEPEHwsOkZZVQ5ocpoxLgwt_10io”],“text”:{“content”:“测试”},“msgtype”:“text”}

公众号发送消息返参-------------:{“errcode”:0,“errmsg”:“send job submission success”,“msg_id”:3147483672}