diff --git a/trunk/htbt.sh b/trunk/htbt.sh
new file mode 100755
index 000000000..8e057a75b
--- /dev/null
+++ b/trunk/htbt.sh
@@ -0,0 +1,6 @@
+#/bin/bash
+for ((;;)); do
+	echo "heatbeat at `date`"
+	curl 'http://ossrs.net:8085/api/v1/servers' -H 'Content-Type: text/html' --data-binary "{\"ip\":\"${ip}\",\"device_id\":\"respberry-pi2\"}" && echo ""
+	sleep 30
+done