diff --git a/cfg/linse-rpi13.cfg b/cfg/linse-rpi13.cfg
new file mode 100644
index 0000000..77390c1
--- /dev/null
+++ b/cfg/linse-rpi13.cfg
@@ -0,0 +1,10 @@
+; please refer to README.md for help
+
+[BOX]
+type=dual-eth-rpi
+MAC=d8:3a:dd:51:2c:c9
+version=1
+
+[NETWORK]
+end0=wan
+enx00e04c6801c7=192.168.1.1
diff --git a/install.py b/install.py
index 11c6ad7..2a27f64 100755
--- a/install.py
+++ b/install.py
@@ -31,6 +31,7 @@ def exit():
 try:
     import serial
 except ImportError:
+version=1
     if 'yes'.startswith(input('install pyserial? [y]')):
         os.system('sudo apt update')
         os.system('sudo apt install python3-pip')
@@ -81,6 +82,7 @@ TEMPLATES['control-box'] = f"""{COMMENT}
 [BOX]
 type=%(typ)s
 MAC=%(mac)s
+version=1
 
 [NETWORK]
 eth0=wan
@@ -99,6 +101,7 @@ TEMPLATES['dual-eth-rpi'] = f"""{COMMENT}
 [BOX]
 type=%(typ)s
 MAC=%(mac)s
+version=1
 
 [NETWORK]
 end0=wan
@@ -110,6 +113,7 @@ GENERIC_TEMPLATE = f"""{COMMENT}
 [BOX]
 type=%(typ)s
 MAC=%(mac)s
+version=1
 """
 
 DHCP_HEADER = """