handler/tool.go

@@ -231,12 +231,15 @@ func ScanDeviceStatus() {
 	devices := worker.GetRedisSetMembers("627gyf3488h")
 	offline := ""
 	for _, v := range devices {
+		res := worker.GetRedis(v)
+		if res == "" {
 			c := worker.IsContainKey("monitor_" + v)
 			if c == false {
-			worker.SetRedisWithExpire("monitor_"+v, "1", time.Hour*24)
+				worker.SetRedisWithExpire("monitor_"+v, "1", time.Hour*12)
 				offline += v + ","
 			}
 		}
+	}
 
 	if offline != "" {
 		title := "设备状态异常"