diff --git a/config.example.json b/config.example.json
deleted file mode 100644
index 3adecba..0000000
--- a/config.example.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-	"service-name":["Description", internal_port, external_port, 'protocol'],
-	"web":["Web HTTP port", 80, 80, 'TCP'],
-	"web-secure":["Web HTTPS port", 443, 443, 'TCP']
-}
diff --git a/config.example.yaml b/config.example.yaml
new file mode 100644
index 0000000..a3fb5e3
--- /dev/null
+++ b/config.example.yaml
@@ -0,0 +1,17 @@
+wireguard:
+  description: "Wireguard port"
+  internal_port: 51820
+  external_port: 51820
+  protocol: 'UDP'
+
+transmission-tcp:
+  description: "Transmission TCP peer port"
+  internal_port: 51413
+  external_port: 51413
+  protocol: 'TCP'
+
+transmission-udp:
+  description: "Transmission UDP peer port"
+  internal_port: 51413
+  external_port: 51413
+  protocol: 'UDP'
diff --git a/port-forwarder.py b/port-forwarder.py
index 40b9bdb..4ebd0bf 100644
--- a/port-forwarder.py
+++ b/port-forwarder.py
@@ -15,10 +15,6 @@ except Exception as e:
 print('local ip address :', u.lanaddr)
 print('external ip address :', u.externalipaddress())
 print( u.statusinfo(), u.connectiontype())
-print('total bytes : sent', u.totalbytesent(), 'received', u.totalbytereceived())
-print('total packets : sent', u.totalpacketsent(), 'received', u.totalpacketreceived())
 
-print(u.addportmapping(12000, 'TCP', u.lanaddr, 12000, 'test port mapping', ''))
-input("Hit any key to interrupt port mapping")
-print(u.deleteportmapping(12000, 'TCP'))
+