Introduce MemberNick class and correct nameCard decoding, Fix #1151 (#1231)
* Introduce MemberNick class and correct nameCard decoding, Fix #1151
* Update comment for better understanding
Co-authored-by: Him188 <[email protected]>
* Change var name in method for better understanding
Co-authored-by: Him188 <[email protected]>
* Fix build
Co-authored-by: Him188 <[email protected]>