Using chnroutes - Liqianyu/ShadowVPN GitHub Wiki

Download chnroutes script.
Save it to /etc/shadowvpn/chnroutes.sh. Then
```
 chmod +x /etc/shadowvpn/chnroutes.sh
```

Create /etc/hotplug.d/iface/35-chnroutes

 #!/bin/sh
 [ ifup = "$ACTION" ] && {
   [ wan = "$INTERFACE" ] && {
      /etc/shadowvpn/chnroutes.sh
   }
 }