Solved
Add test
test
test
Hello
You need to configure 2 routes.
First, configure the route on the route table like this,
Address Prefix: 0.0.0.0/0.0.0.0
Next hop type: Virtual Appliance
Next hop IP: 172.16.136.68
Second, configure the route on Fortigate like this,
Destination : 192.168.0.0/24
Gateway: 172.16.136.65
Device: Port2
Example for azure side

Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.