The DJI website home page has been revised and the forum link is now located in the "EXPLORE" menu.  That link, however, leads to a Chinese language version.  The link at the bottom of the home page brings up the local language version.

happen to me first time i opened DJI webpage tday

Thanks for your feedback, we have been aware of this issue and have reported to related team, will get it fixed soon, please visit DJI Forum at the bottom of the website temporarily, sorry for the inconvenience caused.