fix {{#with path.val}} when input value is null
fix {{#with path.val}} when input value is null

jmgq/lightncandy,Southparkfan/lightncandy,vein1992/lightncandy,Corollarium/lightncandy,cgvarela/lightncandy,Corollarium/lightncandy,fadimko/lightncandy,fadimko/lightncandy,zordius/lightncandy,Southparkfan/lightncandy,cgvarela/lightncandy,vein1992/lightncandy,zordius/lightncandy,jmgq/lightncandy