diff --git a/linux/lib/systemd/system/omc-exec.service b/linux/lib/systemd/system/omc-exec.service
index 1b8f1bb..9c75866 100644
--- a/linux/lib/systemd/system/omc-exec.service
+++ b/linux/lib/systemd/system/omc-exec.service
@@ -3,6 +3,8 @@ Description=omc execute script daemon
 
 [Service]
 ExecStart=/usr/local/etc/omc/script/omc_exec.sh
+StandardOutput=append:/var/log/omc_exec.log
+StandardError=append:/var/log/omc_exec.log
 Type=oneshot
 
 [Install]