diff --git a/logic/controller/item_use.go b/logic/controller/item_use.go
index cfc781d8b..b5ba15b74 100644
--- a/logic/controller/item_use.go
+++ b/logic/controller/item_use.go
@@ -35,11 +35,16 @@ func (h Controller) GetUserItemList(data *ItemListInboundInfo, c *player.Player)
 // c: 当前玩家对象
 // 返回: 使用后的宠物信息和错误码
 func (h Controller) UsePetItemOutOfFight(data *C2S_USE_PET_ITEM_OUT_OF_FIGHT, c *player.Player) (result *item.S2C_USE_PET_ITEM_OUT_OF_FIGHT, err errorcode.ErrorCode) {
-	_, currentPet, found := c.FindPet(data.CatchTime)
+	slot, found := c.FindPetBagSlot(data.CatchTime)
 	if !found {
 		return nil, errorcode.ErrorCodes.Err10401
 	}
 
+	currentPet := slot.PetInfoPtr()
+	if currentPet == nil {
+		return nil, errorcode.ErrorCodes.Err10401
+	}
+
 	itemID := uint32(data.ItemID)
 	if c.Service.Item.CheakItem(itemID) == 0 {
 		return nil, errorcode.ErrorCodes.ErrInsufficientItems
@@ -184,11 +189,16 @@ func (h Controller) handleRegularPetItem(itemID uint32, currentPet *model.PetInf
 // c: 当前玩家对象
 // 返回: 无数据和错误码
 func (h Controller) ResetNature(data *C2S_PET_RESET_NATURE, c *player.Player) (result *fight.NullOutboundInfo, err errorcode.ErrorCode) {
-	_, currentPet, found := c.FindPet(data.CatchTime)
+	slot, found := c.FindPetBagSlot(data.CatchTime)
 	if !found {
 		return nil, errorcode.ErrorCodes.Err10401
 	}
 
+	currentPet := slot.PetInfoPtr()
+	if currentPet == nil {
+		return nil, errorcode.ErrorCodes.Err10401
+	}
+
 	if data.ItemId != UniversalNatureItemID {
 		return nil, errorcode.ErrorCodes.ErrItemUnusable
 	}
diff --git a/logic/controller/pet_info.go b/logic/controller/pet_info.go
index e5f616fec..448788bf5 100644
--- a/logic/controller/pet_info.go
+++ b/logic/controller/pet_info.go
@@ -13,10 +13,11 @@ func (h Controller) GetPetInfo(
 	data *GetPetInfoInboundInfo,
 	player *player.Player) (result *model.PetInfo,
 	err errorcode.ErrorCode) {
-	_, petInfo, found := player.FindPet(data.CatchTime)
-	if found {
-		result = petInfo
-		return result, 0
+	if slot, found := player.FindPetBagSlot(data.CatchTime); found {
+		if petInfo := slot.PetInfoPtr(); petInfo != nil {
+			result = petInfo
+			return result, 0
+		}
 	}
 
 	ret := player.Service.Pet.PetInfoOneByCatchTime(data.CatchTime)
@@ -73,7 +74,6 @@ func (h Controller) PlayerShowPet(
 		Flag:      data.Flag,
 	}
 
-	_, currentPet, ok := player.FindPet(data.CatchTime)
 	if data.Flag == 0 {
 		player.SetPetDisplay(0, nil)
 		player.GetSpace().RefreshUserInfo(player)
@@ -81,10 +81,16 @@ func (h Controller) PlayerShowPet(
 		return
 	}
 
+	slot, ok := player.FindPetBagSlot(data.CatchTime)
 	if !ok {
 		return nil, errorcode.ErrorCodes.ErrPokemonNotExists
 	}
 
+	currentPet := slot.PetInfoPtr()
+	if currentPet == nil {
+		return nil, errorcode.ErrorCodes.ErrPokemonNotExists
+	}
+
 	player.SetPetDisplay(data.Flag, currentPet)
 	player.GetSpace().RefreshUserInfo(player)
 	result = buildPetShowOutboundInfo(data.Head.UserID, data.Flag, currentPet)
diff --git a/logic/controller/pet_manage.go b/logic/controller/pet_manage.go
index 38d391ed0..69afcf8c6 100644
--- a/logic/controller/pet_manage.go
+++ b/logic/controller/pet_manage.go
@@ -32,9 +32,11 @@ func (h Controller) PetOneCure(
 		return result, errorcode.ErrorCodes.ErrChampionCannotHeal
 	}
 
-	_, currentPet, ok := player.FindPet(data.CatchTime)
-	if ok {
-		defer currentPet.Cure()
+	if slot, ok := player.FindPetBagSlot(data.CatchTime); ok {
+		currentPet := slot.PetInfoPtr()
+		if currentPet != nil {
+			defer currentPet.Cure()
+		}
 	}
 
 	return &pet.PetOneCureOutboundInfo{
diff --git a/logic/service/player/pet_bag.go b/logic/service/player/pet_bag.go
index f15380408..15920a038 100644
--- a/logic/service/player/pet_bag.go
+++ b/logic/service/player/pet_bag.go
@@ -25,6 +25,13 @@ func (slot PetBagSlot) PetInfo() model.PetInfo {
 	return slot.info
 }
 
+func (slot PetBagSlot) PetInfoPtr() *model.PetInfo {
+	if !slot.IsValid() {
+		return nil
+	}
+	return &(*slot.list)[slot.index]
+}
+
 func (slot PetBagSlot) IsMainBag() bool {
 	return slot.main
 }