Because of the software upgrade. In general, after upgrading the software version, there will be slight differences according to the internal available modes and distribution. If the currently used page is inconsistent with the previously used page, it means that the right to use the system has been modified after upgrading the version. Today's headline is a personalized information recommendation engine product developed by Beijing ByteDance Technology Co., Ltd., which aims at "information creates value" and is committed to connecting people and information, so that high-quality and rich information can be distributed efficiently and accurately and create value for users.