???????:5 https://mega.nz/linux/MEGAsync/xUbuntu_18.04 ./ InRelease
????:6 https://mega.nz/linux/MEGAsync/xUbuntu_18.04 ./ Release [956 B]
????:7 https://mega.nz/linux/MEGAsync/xUbuntu_18.04 ./ Release.gpg [481 B]
Hit:8 https://repo.skype.com/deb stable InRelease
???????? ?????? ???????... ????????????
E: Repository 'https://mega.nz/linux/MEGAsync/xUbuntu_18.04 ./ Release' changed its 'Origin' value from 'manual_build' to 'obs://private/DEB/xUbuntu_18.04'
E: Repository 'https://mega.nz/linux/MEGAsync/xUbuntu_18.04 ./ Release' changed its 'Codename' value from 'Bionic' to 'xUbuntu_18.04'
N: This must be accepted explicitly before updates for this repository can be applied. See apt-secure(8) manpage for details.
我现在该怎么办，怎么办？