ruby on rails - I have an incorrect asset_host, but can't change it -

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in console, development mode:

actioncontroller::base.asset_host   => 192.168.2.55

which happens previous dhcp address.

i checked:

rails_root/config/environments/development.rb

rails_root/config/environment.rb

... , there nothing set here. if add

config.action_controller.asset_host = "http://127.0.0.1"

to development.rb, old dhcp address. i've tried clearing browser caches, name server caches, out of ideas.

the culprit rails_root/config/facebooker.yml

callback_url: http://192.168.2.55

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