diff --git a/build.gradle.kts b/build.gradle.kts
index ccbe7f91..a985cba8 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -7,14 +7,12 @@ plugins {
     val ktVer = "2.1.10"
 
     java
-    kotlin("plugin.lombok") version ktVer
     kotlin("jvm") version ktVer
     kotlin("plugin.spring") version ktVer
     kotlin("plugin.jpa") version ktVer
     kotlin("plugin.serialization") version ktVer
     kotlin("plugin.allopen") version ktVer
     kotlin("kapt") version ktVer
-    id("io.freefair.lombok") version "8.6"
     id("org.springframework.boot") version "3.2.3"
     id("com.github.ben-manes.versions") version "0.51.0"
     id("org.hibernate.orm") version "6.4.4.Final"
diff --git a/src/main/java/icu/samnyan/aqua/sega/chusan/model/userdata/Chu3UserData.kt b/src/main/java/icu/samnyan/aqua/sega/chusan/model/userdata/Chu3UserData.kt
index dcfc2bf7..c488a709 100644
--- a/src/main/java/icu/samnyan/aqua/sega/chusan/model/userdata/Chu3UserData.kt
+++ b/src/main/java/icu/samnyan/aqua/sega/chusan/model/userdata/Chu3UserData.kt
@@ -15,7 +15,6 @@ import icu.samnyan.aqua.sega.general.model.Card
 import icu.samnyan.aqua.sega.util.AccessCodeSerializer
 import jakarta.persistence.*
 import kotlinx.io.IOException
-import lombok.NoArgsConstructor
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
 
@@ -33,7 +32,6 @@ class FlexibleDateTimeDeserializer : JsonDeserializer<LocalDateTime?>() {
 
 @Entity(name = "ChusanUserData")
 @Table(name = "chusan_user_data")
-@NoArgsConstructor
 class Chu3UserData : BaseEntity(), IUserData {
     @JsonSerialize(using = AccessCodeSerializer::class)
     @JsonProperty(value = "accessCode", access = JsonProperty.Access.READ_ONLY)
diff --git a/src/main/java/icu/samnyan/aqua/sega/maimai2/handler/UpsertUserAllHandler.kt b/src/main/java/icu/samnyan/aqua/sega/maimai2/handler/UpsertUserAllHandler.kt
index 4bb37550..19cdbdb3 100644
--- a/src/main/java/icu/samnyan/aqua/sega/maimai2/handler/UpsertUserAllHandler.kt
+++ b/src/main/java/icu/samnyan/aqua/sega/maimai2/handler/UpsertUserAllHandler.kt
@@ -13,14 +13,12 @@ import icu.samnyan.aqua.sega.maimai2.model.userdata.Mai2UserDetail
 import icu.samnyan.aqua.sega.maimai2.model.userdata.Mai2UserGeneralData
 import icu.samnyan.aqua.sega.maimai2.model.userdata.Mai2UserRate
 import icu.samnyan.aqua.sega.util.BasicMapper
-import lombok.AllArgsConstructor
 import org.slf4j.LoggerFactory
 import org.springframework.stereotype.Component
 
 /**
  * @author samnyan (privateamusement@protonmail.com)
  */
-@AllArgsConstructor
 @Component("Maimai2UpsertUserAllHandler")
 class UpsertUserAllHandler(
     val mapper: BasicMapper,
diff --git a/src/main/java/icu/samnyan/aqua/sega/maimai2/model/GameDataEntities.kt b/src/main/java/icu/samnyan/aqua/sega/maimai2/model/GameDataEntities.kt
index d2db3efe..ea990114 100644
--- a/src/main/java/icu/samnyan/aqua/sega/maimai2/model/GameDataEntities.kt
+++ b/src/main/java/icu/samnyan/aqua/sega/maimai2/model/GameDataEntities.kt
@@ -5,9 +5,8 @@ import icu.samnyan.aqua.net.games.BaseEntity
 import jakarta.persistence.Column
 import jakarta.persistence.Entity
 import jakarta.persistence.Table
-import lombok.Data
 
-@Data @Entity
+@Entity
 @Table(name = "maimai2_game_event")
 class Mai2GameEvent : BaseEntity() {
     @JsonIgnore(false)
@@ -22,7 +21,7 @@ class Mai2GameEvent : BaseEntity() {
     var disableArea = ""
 }
 
-@Data @Entity
+@Entity
 @Table(name = "maimai2_game_charge")
 class Mai2GameCharge : BaseEntity() {
     @Column(unique = true)
@@ -33,7 +32,7 @@ class Mai2GameCharge : BaseEntity() {
     val endDate: String? = null
 }
 
-@Data @Entity
+@Entity
 @Table(name = "maimai2_game_selling_card")
 class Mai2GameSellingCard : BaseEntity() {
     var cardId = 0L
diff --git a/src/main/java/icu/samnyan/aqua/sega/maimai2/model/userdata/UserEntities.kt b/src/main/java/icu/samnyan/aqua/sega/maimai2/model/userdata/UserEntities.kt
index a2cb52b3..4d39264c 100644
--- a/src/main/java/icu/samnyan/aqua/sega/maimai2/model/userdata/UserEntities.kt
+++ b/src/main/java/icu/samnyan/aqua/sega/maimai2/model/userdata/UserEntities.kt
@@ -16,9 +16,6 @@ import icu.samnyan.aqua.net.games.IGenericUserMusic
 import icu.samnyan.aqua.net.games.IUserEntity
 import icu.samnyan.aqua.sega.general.IntegerListConverter
 import jakarta.persistence.*
-import lombok.AllArgsConstructor
-import lombok.Data
-import lombok.NoArgsConstructor
 import java.time.LocalDate
 import java.time.LocalDateTime
 import java.time.format.DateTimeFormatter
@@ -33,7 +30,7 @@ open class Mai2UserEntity : BaseEntity(), IUserEntity<Mai2UserDetail> {
 
 
 @Table(name = "maimai2_user_npc_encount")
-@Data @Entity
+@Entity
 class Mai2MapEncountNpc : Mai2UserEntity() {
 
     var npcId = 0
@@ -46,7 +43,7 @@ class Mai2MapEncountNpc : Mai2UserEntity() {
 }
 
 @Table(name = "maimai2_user_activity")
-@Data @Entity
+@Entity
 class Mai2UserAct : Mai2UserEntity() {
     var kind = 0
 
@@ -61,7 +58,7 @@ class Mai2UserAct : Mai2UserEntity() {
 }
 
 @Table(name = "maimai2_user_card")
-@Data @Entity
+@Entity
 class Mai2UserCard : Mai2UserEntity() {
     var cardId: Int = 0
     var cardTypeId: Int = 0
@@ -72,7 +69,7 @@ class Mai2UserCard : Mai2UserEntity() {
 }
 
 @Table(name = "maimai2_user_character")
-@Data @Entity
+@Entity
 class Mai2UserCharacter : Mai2UserEntity() {
     var characterId = 0
 
@@ -101,7 +98,7 @@ class Mai2UserCharacter : Mai2UserEntity() {
 }
 
 @Table(name = "maimai2_user_charge", uniqueConstraints = [UniqueConstraint(columnNames = ["user_id", "charge_id"])])
-@Data @Entity
+@Entity
 class Mai2UserCharge : Mai2UserEntity() {
     @Column(name = "charge_id")
     var chargeId = 0
@@ -111,7 +108,7 @@ class Mai2UserCharge : Mai2UserEntity() {
 }
 
 @Table(name = "maimai2_user_course")
-@Data @Entity
+@Entity
 class Mai2UserCourse : Mai2UserEntity() {
     var courseId = 0
     var isLastClear = false
@@ -128,7 +125,7 @@ class Mai2UserCourse : Mai2UserEntity() {
 }
 
 @Table(name = "maimai2_user_extend")
-@Data @Entity
+@Entity
 class Mai2UserExtend : Mai2UserEntity() {
     var selectMusicId = 0
     var selectDifficultyId = 0
@@ -153,7 +150,7 @@ class Mai2UserExtend : Mai2UserEntity() {
 }
 
 @Table(name = "maimai2_user_favorite")
-@Data @Entity
+@Entity
 class Mai2UserFavorite : Mai2UserEntity() {
     @JsonProperty("userId")
     var favUserId: Long = 0
@@ -164,7 +161,7 @@ class Mai2UserFavorite : Mai2UserEntity() {
 }
 
 @Table(name = "maimai2_user_friend_season_ranking")
-@Data @Entity
+@Entity
 class Mai2UserFriendSeasonRanking : Mai2UserEntity() {
     var seasonId = 0
     var point = 0
@@ -181,7 +178,7 @@ class Mai2UserFriendSeasonRanking : Mai2UserEntity() {
  * @author samnyan (privateamusement@protonmail.com)
  */
 @Table(name = "maimai2_user_general_data")
-@Data @Entity
+@Entity
 class Mai2UserGeneralData : Mai2UserEntity() {
     var propertyKey = ""
 
@@ -189,9 +186,6 @@ class Mai2UserGeneralData : Mai2UserEntity() {
     var propertyValue = ""
 }
 
-@Data
-@AllArgsConstructor
-@NoArgsConstructor
 class Mai2UserGhost {
     var name: String = ""
     var iconId = 0
@@ -215,7 +209,7 @@ class Mai2UserGhost {
 }
 
 @Table(name = "maimai2_user_item")
-@Data @Entity
+@Entity
 class Mai2UserItem : Mai2UserEntity() {
     var itemKind = 0
     var itemId = 0
@@ -243,7 +237,7 @@ enum class Mai2ItemKind(val id: Int) {
 }
 
 @Table(name = "maimai2_user_login_bonus")
-@Data @Entity
+@Entity
 class Mai2UserLoginBonus : Mai2UserEntity() {
     var bonusId = 0
     var point = 0
@@ -252,7 +246,7 @@ class Mai2UserLoginBonus : Mai2UserEntity() {
 }
 
 @Table(name = "maimai2_user_map")
-@Data @Entity
+@Entity
 class Mai2UserMap : Mai2UserEntity() {
     var mapId = 0
     var distance = 0
@@ -262,7 +256,7 @@ class Mai2UserMap : Mai2UserEntity() {
 }
 
 @Table(name = "maimai2_user_music_detail")
-@Data @Entity
+@Entity
 class Mai2UserMusicDetail : Mai2UserEntity(), IGenericUserMusic {
 
     override var musicId = 0
@@ -277,7 +271,7 @@ class Mai2UserMusicDetail : Mai2UserEntity(), IGenericUserMusic {
 }
 
 @Table(name = "maimai2_user_option")
-@Data @Entity
+@Entity
 class Mai2UserOption : Mai2UserEntity() {
     var optionKind = 0
     var noteSpeed = 0
@@ -330,7 +324,7 @@ class Mai2UserOption : Mai2UserEntity() {
 }
 
 @Table(name = "maimai2_user_playlog")
-@Data @Entity
+@Entity
 class Mai2UserPlaylog : Mai2UserEntity(), IGenericGamePlaylog {
     var orderId = 0
     var playlogId: Long = 0
@@ -464,7 +458,7 @@ fun main(args: Array<String>) {
 }
 
 @Table(name = "maimai2_user_print_detail")
-@Data @Entity
+@Entity
 class Mai2UserPrintDetail : Mai2UserEntity() {
     var orderId: Long = 0
     var printNumber = 0
@@ -500,7 +494,7 @@ data class Mai2UserRate(
 )
 
 @Table(name = "maimai2_user_udemae")
-@Data @Entity
+@Entity
 class Mai2UserUdemae : Mai2UserEntity() {
     var rate = 0
     var maxRate = 0
@@ -521,7 +515,7 @@ class Mai2UserUdemae : Mai2UserEntity() {
 }
 
 @Table(name = "maimai2_user_kaleidx")
-@Data @Entity
+@Entity
 class Mai2UserKaleidx : Mai2UserEntity() {
     var gateId = 1
     var isGateFound = true
@@ -545,7 +539,7 @@ class Mai2UserKaleidx : Mai2UserEntity() {
 }
 
 @Table(name = "maimai2_user_intimate")
-@Data @Entity
+@Entity
 class Mai2UserIntimate : Mai2UserEntity() {
     var partnerId = 1;
     var intimateLevel = 0;