After install node-lessc my odoo cannot loading css, js, xml. i find on develop tools of Chome error"404 NOT FOUND". I'm try reinstall odoo, edit permission 640 for file "odoo-server.conf", 755 for folder "addons" but cannot fix error. Help me, please! 

Now, my server infomation:

node version: v0.10.30

lessc version: 1.7.0

odoo 9 nightly