🐛fix a bug

cron_task/offline_monitoring.go

@@ -13,12 +13,11 @@ import (
 // offlineMonitoring
 // @description: 离线监听任务
 func offlineMonitoring() {
-	for {
 	devices, err := client.WireguardClient.Devices()
 	if err != nil {
 		time.Sleep(5 * time.Minute) // 休眠五分钟再执行
 		offlineMonitoring()
-			continue
+		return
 	}
 
 	// 遍历客户端数据，并渲染数据信息
@@ -42,18 +41,17 @@ func offlineMonitoring() {
 			isOnline := time.Since(p.LastHandshakeTime).Minutes() < 3
 
 			// 未离线
-				if !isOnline {
+			if isOnline {
 				continue
 			}
 
 			content := fmt.Sprintf("客户端：%s\r\n", clientInfo.Name)
 			content += fmt.Sprintf("客户端IP：%s\r\n", ipAllocation)
-				content += fmt.Sprintf("端点IP：%s", p.Endpoint.String())
+			content += fmt.Sprintf("端点IP：%s\r\n", p.Endpoint.String())
 			content += fmt.Sprintf("最后握手时间：%s\r\n", p.LastHandshakeTime.Format("2006-01-02 15:04:05"))
-				content += fmt.Sprintf("离线时间：%s\r\n", time.Now().Format("2006-01-02 15:04:05"))
 
 			// 离线并且配置了邮箱，准备发送邮件
-				err = utils.Mail().SendMail(clientInfo.Email, fmt.Sprintf("客户端离线通知"), content, "")
+			err = utils.Mail().SendMail(clientInfo.Email, fmt.Sprintf("客户端[%s]离线通知", clientInfo.Name), content, "")
 			if err != nil {
 				log.Errorf("发送离线通知邮件失败: %v", err.Error())
 				continue
@@ -61,5 +59,5 @@ func offlineMonitoring() {
 
 		}
 	}
-	}
+
 }