_GUILD_INFO_STRUCT * lpMyNode = gObj[aIndex].lpGuild;    

gBattleGroundEnable(lpMyNode->BattleGroundIndex, TRUE);//准许使用决斗场地

     lpMyNode->WarDeclareState = 2;
     lpMyNode->WarState = 1;
     lpMyNode->PlayScore = 0;
     lpMyNode->BattleTeamCode = 0;

这样处理后，角色进入场地内就不会一直在移动了。