Proposal
Renaming a downloaded file using the FileCaption variable applies to all files in the album/group message. Currently, only the file with the first ID in the album/group message can have its FileCaption retrieved.
Used to rename files during download so that users can categorize downloaded files according to different Telegram file descriptions.
使用FileCaption变量给下载文件重命名时可以对相册/组合消息中所有文件生效，目前只有相册/组合消息中第一个id的文件可以获取到FileCaption。
用于下载时重命名文件，以便用户根据不同Telegram 文件说明分类所下载的文件。
Background
Renaming a downloaded file using the FileCaption variable applies to all files in the album/group message. Currently, only the file with the first ID in the album/group message can have its FileCaption retrieved.
Used to rename files during download so that users can categorize downloaded files according to different Telegram file descriptions.
使用FileCaption变量给下载文件重命名时可以对相册/组合消息中所有文件生效，目前只有相册/组合消息中第一个id的文件可以获取到FileCaption。
用于下载时重命名文件，以便用户根据不同Telegram 文件说明分类所下载的文件。
Workarounds
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Proposal
Renaming a downloaded file using the FileCaption variable applies to all files in the album/group message. Currently, only the file with the first ID in the album/group message can have its FileCaption retrieved.
Used to rename files during download so that users can categorize downloaded files according to different Telegram file descriptions.
使用FileCaption变量给下载文件重命名时可以对相册/组合消息中所有文件生效，目前只有相册/组合消息中第一个id的文件可以获取到FileCaption。
用于下载时重命名文件，以便用户根据不同Telegram 文件说明分类所下载的文件。
Background
Renaming a downloaded file using the FileCaption variable applies to all files in the album/group message. Currently, only the file with the first ID in the album/group message can have its FileCaption retrieved.
Used to rename files during download so that users can categorize downloaded files according to different Telegram file descriptions.
使用FileCaption变量给下载文件重命名时可以对相册/组合消息中所有文件生效，目前只有相册/组合消息中第一个id的文件可以获取到FileCaption。
用于下载时重命名文件，以便用户根据不同Telegram 文件说明分类所下载的文件。
Workarounds
/