diff --git a/logic/controller/pet_manage.go b/logic/controller/pet_manage.go
index 2c5dd5a14..1aad93ff5 100644
--- a/logic/controller/pet_manage.go
+++ b/logic/controller/pet_manage.go
@@ -15,21 +15,18 @@ func petSetExpLimit(currentPet *playermodel.PetInfo) int64 {
 	}
 
 	simulatedPet := *currentPet
-	var allowedExp int64
+	allowedExp := simulatedPet.NextLvExp - simulatedPet.Exp
+	if allowedExp < 0 {
+		allowedExp = 0
+	}
 
-	for simulatedPet.Level < 100 {
-		needExp := simulatedPet.NextLvExp - simulatedPet.Exp
-		if needExp <= 0 {
-			simulatedPet.Exp = simulatedPet.NextLvExp
-			simulatedPet.Level++
-			simulatedPet.Update(true)
-			continue
-		}
-
-		allowedExp += needExp
-		simulatedPet.Exp += needExp
+	for simulatedPet.Level < 100 && simulatedPet.NextLvExp > 0 {
 		simulatedPet.Level++
 		simulatedPet.Update(true)
+		if simulatedPet.Level >= 100 {
+			break
+		}
+		allowedExp += simulatedPet.NextLvExp
 	}
 
 	return allowedExp
diff --git a/logic/service/player/pet.go b/logic/service/player/pet.go
index 11d3dd9e5..c9346a781 100644
--- a/logic/service/player/pet.go
+++ b/logic/service/player/pet.go
@@ -39,27 +39,16 @@ func (p *Player) AddPetExp(petInfo *model.PetInfo, addExp int64) {
 		return
 	}
 	originalLevel := petInfo.Level
+	allocatedExp := addExp
 	p.Info.ExpPool -= addExp //减去已使用的经验
 
-	remainingExp := addExp
-	for remainingExp > 0 {
-		needExp := petInfo.NextLvExp - petInfo.Exp
-		if needExp <= 0 {
-			petInfo.Exp = petInfo.NextLvExp
-			petInfo.Level++
-			petInfo.Update(true)
-			continue
-		}
-		if remainingExp < needExp {
-			petInfo.Exp += remainingExp
-			break
-		}
-
-		petInfo.Exp += needExp
-		remainingExp -= needExp
+	currentExp := petInfo.Exp + addExp
+	for currentExp >= petInfo.NextLvExp && petInfo.NextLvExp > 0 {
 		petInfo.Level++
 		petInfo.Update(true)
+		currentExp -= petInfo.LvExp
 	}
+	petInfo.Exp = currentExp
 
 	//  重新计算面板
 	if originalLevel != petInfo.Level {
@@ -95,6 +84,7 @@ func (p *Player) AddPetExp(petInfo *model.PetInfo, addExp int64) {
 	var petUpdateInfo info.UpdatePropInfo
 
 	copier.Copy(&petUpdateInfo, petInfo)
+	petUpdateInfo.Exp = uint32(allocatedExp)
 	updateOutbound.Data = append(updateOutbound.Data, petUpdateInfo)
 	p.SendPack(header.Pack(updateOutbound)) //准备包由各自发,因为协议不一样
 
diff --git a/logic/service/player/pet_test.go b/logic/service/player/pet_test.go
index eaefa014a..d68af6425 100644
--- a/logic/service/player/pet_test.go
+++ b/logic/service/player/pet_test.go
@@ -122,3 +122,36 @@ func TestAddPetExpSmallRewardDoesNotJumpToMaxLevel(t *testing.T) {
 		t.Fatalf("expected exp pool to decrease by %d, got %d", addExp, player.Info.ExpPool)
 	}
 }
+
+func TestAddPetExpUsesDynamicPerLevelRequirement(t *testing.T) {
+	petID := firstPetIDForTest(t)
+	petInfo := playermodel.GenPetInfo(petID, 31, 0, 0, 20, nil, 0)
+	if petInfo == nil {
+		t.Fatalf("failed to generate test pet")
+	}
+
+	initialNeed := petInfo.NextLvExp
+	if initialNeed <= 0 {
+		t.Fatalf("expected positive exp requirement, got %d", initialNeed)
+	}
+
+	player := &Player{
+		baseplayer: baseplayer{
+			Info: &playermodel.PlayerInfo{
+				ExpPool: 1_000_000,
+			},
+		},
+	}
+
+	player.AddPetExp(petInfo, initialNeed)
+
+	if petInfo.Level != 21 {
+		t.Fatalf("expected pet level to become 21, got %d", petInfo.Level)
+	}
+	if petInfo.Exp != 0 {
+		t.Fatalf("expected level-up to reset current level exp, got %d", petInfo.Exp)
+	}
+	if petInfo.NextLvExp == initialNeed {
+		t.Fatalf("expected next level exp to change after leveling, still %d", petInfo.NextLvExp)
+	}
+}
diff --git a/modules/player/model/pet.go b/modules/player/model/pet.go
index ef0b47fc5..3414d3427 100644
--- a/modules/player/model/pet.go
+++ b/modules/player/model/pet.go
@@ -532,18 +532,20 @@ func (petinfo *PetInfo) Update(isup bool) {
 		if evolveCount >= maxEvolveTimes {
 			break
 		}
-		// 进化完成后，统一更新经验（原逻辑保留）
-		petinfo.LvExp = petinfo.NextLvExp
 		// 获取当前宠物形态的配置
 		basic, ok := xmlres.PetMAP[int(petinfo.ID)]
 		// 配置不存在，直接退出循环
 		if !ok {
 			break
 		}
-		petinfo.NextLvExp = calculateExperience(petinfo.Level, basic.GetBasic())
 		if !isup {
+			petinfo.LvExp = calculatePreviousLevelExperience(petinfo.Level, basic.GetBasic())
+			petinfo.NextLvExp = calculateExperience(petinfo.Level, basic.GetBasic())
 			return
 		}
+		// 升级时保留上一等级需求，供经验结算使用。
+		petinfo.LvExp = petinfo.NextLvExp
+		petinfo.NextLvExp = calculateExperience(petinfo.Level, basic.GetBasic())
 		// 检查是否满足进化条件
 		canEvolve := basic.EvolvesTo != 0 && // 有明确的进化目标
 			int(petinfo.Level) >= basic.EvolvingLv && // 等级达到进化要求
@@ -561,6 +563,13 @@ func (petinfo *PetInfo) Update(isup bool) {
 
 }
 
+func calculatePreviousLevelExperience(level uint32, baseValue uint32) int64 {
+	if level <= 1 {
+		return 0
+	}
+	return calculateExperience(level-1, baseValue)
+}
+
 // calculateExperience 计算指定等级和种族值所需的经验值
 // level: 当前等级
 // baseValue: 种族值