kali 源不通

:1 https://mirrors.aliyun.com/kali kali-rolling InRelease [41.5 kB]
Err:1 https://mirrors.aliyun.com/kali kali-rolling InRelease
The following signatures were invalid: EXPKEYSIG ED444FF07D8D0BF6 Kali Linux Repository devel@kali.org
Reading package lists... Done
W: GPG error: https://mirrors.aliyun.com/kali kali-rolling InRelease: The following signatures were invalid: EXPKEYSIG ED444FF07D8D0BF6 Kali Linux Repository devel@kali.org
E: The repository 'https://mirrors.aliyun.com/kali kali-rolling InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: Target Packages (main/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/kali-mirror-aliyun.list:1
W: Target Packages (main/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/kali-mirror-aliyun.list:1
W: Target Translations (main/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/kali-mirror-aliyun.list:1
W: Target Translations (main/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/kali-mirror-aliyun.list:1
W: Target Packages (non-free/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/kali-mirror-aliyun.list:1
W: Target Packages (non-free/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/kali-mirror-aliyun.list:1
W: Target Translations (non-free/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/kali-mirror-aliyun.list:1
W: Target Translations (non-free/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/kali-mirror-aliyun.list:1
W: Target Packages (contrib/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/kali-mirror-aliyun.list:1
W: Target Packages (contrib/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/kali-mirror-aliyun.list:1
W: Target Translations (contrib/i18n/Translation-en_US) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/kali-mirror-aliyun.list:1
W: Target Translations (contrib/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:1 and /etc/apt/sources.list.d/kali-mirror-aliyun.list:1