``` fix(fight): 重构切换动作逻辑，将CanChange改为状态值并优化切换条件检查

logic/service/fight/fightc.go

@@ -332,7 +332,7 @@ func (f *FightC) enterturn(fattack, sattack *action.SelectSkillAction) {
 				}
 			}
 
-			attacker.CanChange = true
+			//attacker.CanAction = true
 			break
 		}
 
@@ -342,7 +342,7 @@ func (f *FightC) enterturn(fattack, sattack *action.SelectSkillAction) {
 				attacker.CurrentPet.Info.Hp = 1
 			}
 
-			defender.CanChange = true //被打死就可以切精灵了
+			//defender.CanAction = true //被打死就可以切精灵了
 			// AI自动技能
 
 			if f.IsWin(attacker, defender.CurrentPet.Info.CatchTime) { //然后检查是否战斗结束
@@ -403,6 +403,6 @@ func (f *FightC) enterturn(fattack, sattack *action.SelectSkillAction) {
 	}
 	f.Broadcast(func(ff *input.Input) {
 		ff.Player.SendPackCmd(2505, &ret)
-		ff.CanChange = true
+		ff.CanChange = 0
 	})
 }

logic/service/fight/input/input.go

@@ -14,7 +14,8 @@ import (
 )
 
 type Input struct {
-	CanChange  bool                  //是否可以死亡切换CanChange
+	CanChange uint32 //是否可以死亡切换CanChange
+	//	CanAction  bool                  //是否可以行动
 	CurrentPet *info.BattlePetEntity //当前精灵
 	AllPet     []*info.BattlePetEntity
 	Player     common.PlayerI

logic/service/fight/loop.go

@@ -139,11 +139,18 @@ func (f *FightC) collectPlayerActions(ourID, oppID uint32) map[uint32]action.Bat
 			// 	fmt.Printf("玩家%d 已经提交过动作，忽略重复\n", pid)
 			// 	continue
 			// }
-
+			selfinput := f.GetInputByAction(paction, false)
 			if ret, ok := paction.(*action.ActiveSwitchAction); ok {
-				selfinput := f.GetInputByAction(paction, false)
-				if selfinput.CanChange   {
-					selfinput.CanChange = false
+
+				if selfinput.CanChange == 0 {
+					if selfinput.CurrentPet.Info.Hp > 0 { //非死亡切换
+						selfinput.CanChange = 1
+					} else {
+
+						selfinput.CanChange = 2
+
+					}
+
 					InitAttackValue := *selfinput.AttackValue
 					oldpet := selfinput.CurrentPet
 					f.Switch[selfinput.UserID] = ret
@@ -162,6 +169,15 @@ func (f *FightC) collectPlayerActions(ourID, oppID uint32) map[uint32]action.Bat
 					})
 				}
 
+			} else {
+
+				if selfinput.CurrentPet.Info.Hp <= 0 { //0血执行非切换动作
+					//todo 记录异常操作
+					continue
+				}
+				if selfinput.CanChange == 1 { //非被动死亡情况下，不能执行额外动作,0允许切，2是死亡，可以额外动作
+					continue
+				}
 			}
 			// AI自动技能
 			if pid != 0 && (f.Info.Status == info.BattleMode.FIGHT_WITH_NPC) {