port forward with filter rule association pass failed to forward the traffic

[allenlwli]

we are using pfsense plus (23.09)
we configure port forward rule with filter rule association 'pass'

Then when we access the target server will be failure. The strange thing is if we wait for 1 day, during this period we didn't do any change, then we can access with this port-forward; The issue happened for several times
https://docs.netgate.com/pfsense/en/latest/nat/port-forwards.html
per artichle above, our wan interface assign ip via dhcp , the gateway is assigned automatically, and from route table we default route is there