```

feat(fight_boss): 优化怪物战斗掉落逻辑

- 将随机数生成方法从 grand.Intn(2) + 1 替换为更直观的 grand.N(1, 2)
- 为闪亮怪物奖励添加随机数量机制，从固定1个改为1

logic/controller/fight_boss野怪和地图怪.go

@@ -175,7 +175,7 @@ func (Controller) OnPlayerFightNpcMonster(data1 *fight.FightNpcMonsterInboundInf
 
 				item := p.GetSpace().GetDrop()
 				if item != 0 {
-					count := int64(grand.Intn(2) + 1)
+					count := int64(grand.N(1, 2))
 					ok := p.ItemAdd(item, count)
 					if ok {
 						items.ADDitem(uint32(item), uint32(count))
@@ -185,9 +185,10 @@ func (Controller) OnPlayerFightNpcMonster(data1 *fight.FightNpcMonsterInboundInf
 			}
 			if monster.IsShiny() && p.CanGetXUAN() && pettype < 16 {
 				xuan := 400686 + pettype
-				ok := p.ItemAdd(xuan, 1)
+				count := uint32(grand.N(1, 2))
+				ok := p.ItemAdd(xuan, int64(count))
 				if ok {
-					items.ADDitem(uint32(xuan), 1)
+					items.ADDitem(uint32(xuan), count)
 				}
 
 			}