//連接短信發(fā)送服務器 emptcl empp = new emptclClass(); ConnectResultEnum result = empp.connect(host, port, accountId, password); if (empp == null || !empp.connected) { return "連接失敗"; } ShortMessage shortMsg = new ShortMessageClass(); shortMsg.srcID = accountId; //獲取發(fā)送短信者ID shortMsg.needStatus = true; //獲取是否返回狀態(tài)報告標志 Mobiles mob = new MobilesClass(); string[] sendMobiles = mobiles.Trim('|').Split('|'); foreach (string sendMobile in sendMobiles) { mob.Add(sendMobile); } shortMsg.DestMobiles = mob; //發(fā)送的手機號 shortMsg.content = contents; //短信內(nèi)容 shortMsg.SendNow = true; //設置是否立即發(fā)送短信標志 //發(fā)送短信 empp.submit(shortMsg); //對象用于實現(xiàn)發(fā)送短信后，接受到的返回信息的處理 SubmitResp submitResp = new SubmitRespClass(); int doResult = -1; Int32.TryParse(submitResp.Result.ToString(), out doResult); if (doResult == 0) { mob.RemoveAll(); return "成功"; } else { return "失敗"; } empp.disconnect(); 上面就是主要的代碼，寫在了一個Webservice里面，平均5天左右就會導致服務掛掉，求大神指教!