use constant references instead of new objects

Signed-off-by: Takashiro <takashiro@qq.com>
fix the frame color of the reconnected user's deputy general

Signed-off-by: Takashiro <takashiro@qq.com>
Merge branch 'dev' of https://github.com/QSanguosha-Rara/QSanguosha-For-Hegemony.git into dev