sudo rpi-update failure

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I flash lastest img

test@raspberrypi:~ $ sudo rpi-update *** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom *** Performing self-update !!! Failed to download update for rpi-update! !!! Make sure you have ca-certificates installed and that the time is set correctly

I had install ca-certificates date is right

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test@raspberrypi:~ $ sudo apt install ca-certificates Reading package lists... Done Building dependency tree... Done Reading state information... Done ca-certificates is already the newest version (20210119). 0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded. test@raspberrypi:~ $ sudo ntpdate ntp.aliyun.com 14 Jul 09:25:37 ntpdate[1936]: adjust time server 203.107.6.88 offset +0.005851 sec test@raspberrypi:~ $ sudo rpi-update *** Raspberry Pi firmware updater by Hexxeh, enhanced by AndrewS and Dom *** Performing self-update !!! Failed to download update for rpi-update! !!! Make sure you have ca-certificates installed and that the time is set correctly