add initializer to prevent others from using the default '()'
add initializer to prevent others from using the default '()'

nixzhu/MonkeyKing,nixzhu/MonkeyKing,nixzhu/MonkeyKing,fyl00/MonkeyKing,fyl00/MonkeyKing,fyl00/MonkeyKing,nixzhu/MonkeyKing,fyl00/MonkeyKing