auto proxy discovery function not work in safari but it work for firfox on mac and chrome on mac

auto proxy discovery function not work in safari but it work for firfox on mac and chrome on mac , do you have any idea ?

i already configed wpad system . I set auto proxy discovery at network preference osx , safari can not surf internet but chrome on mac

used same proxy setting of safari (network preference ) ,chrome can surf internet

anybody have any idea ,please tell me.