Squashed commit of the following:

commit 58cd406
Author: chenchi <[email protected]>
Date:   Mon Aug 14 20:54:14 2023 +0800

    fix some error of readme.

commit 1f7330d
Author: chenchi <[email protected]>
Date:   Mon Aug 14 20:28:04 2023 +0800

    Add readme in English.

commit e8a66e3
Merge: 0f60f9d ab0fd82
Author: chenchi <[email protected]>
Date:   Thu Aug 10 15:36:53 2023 +0800

    Merge branch 'master' into iostream

commit 0f60f9d
Author: chenchi <[email protected]>
Date:   Tue Jun 21 15:14:39 2022 +0800

    Throw exception when error happens on creating a TLV object

commit f606eac
Author: chenchi <[email protected]>
Date:   Fri Jun 17 16:42:25 2022 +0800

    Change some error log into warning log

commit 5e3e81d
Author: chenchi <[email protected]>
Date:   Fri Jun 17 14:40:54 2022 +0800

    Increase the judgment on bad tag

commit c259d76
Author: chenchi <[email protected]>
Date:   Thu Jun 16 17:17:06 2022 +0800

    fix bug

commit 72fda35
Author: chenchi <[email protected]>
Date:   Thu Jun 16 14:57:53 2022 +0800

    add function of serial in&out