diff --git a/src/main/java/com/atsuishio/superbwarfare/client/ClickHandler.java b/src/main/java/com/atsuishio/superbwarfare/client/ClickHandler.java
index 081317196..03f87784b 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/ClickHandler.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/ClickHandler.java
@@ -12,7 +12,6 @@ import com.atsuishio.superbwarfare.init.*;
 import com.atsuishio.superbwarfare.item.gun.GunItem;
 import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import com.atsuishio.superbwarfare.network.message.send.*;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.NBTTool;
 import com.atsuishio.superbwarfare.tools.SeekTool;
 import com.atsuishio.superbwarfare.tools.TraceTool;
@@ -20,7 +19,6 @@ import com.mojang.blaze3d.platform.InputConstants;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.core.component.DataComponents;
-import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.chat.Component;
 import net.minecraft.sounds.SoundSource;
 import net.minecraft.util.Mth;
@@ -124,14 +122,15 @@ public class ClickHandler {
                 handleWeaponFirePress(player, stack);
             }
 
+            var data = GunData.from(stack);
             if (button == ModKeyMappings.HOLD_ZOOM.getKey().getValue()) {
-                handleWeaponZoomPress(player, tag);
+                handleWeaponZoomPress(player, data);
                 switchZoom = false;
                 return;
             }
 
             if (button == ModKeyMappings.SWITCH_ZOOM.getKey().getValue()) {
-                handleWeaponZoomPress(player, tag);
+                handleWeaponZoomPress(player, data);
                 switchZoom = !switchZoom;
             }
         }
@@ -267,14 +266,15 @@ public class ClickHandler {
                     handleWeaponFirePress(player, stack);
                 }
 
+                var data = GunData.from(stack);
                 if (key == ModKeyMappings.HOLD_ZOOM.getKey().getValue()) {
-                    handleWeaponZoomPress(player, tag);
+                    handleWeaponZoomPress(player, data);
                     switchZoom = false;
                     return;
                 }
 
                 if (key == ModKeyMappings.SWITCH_ZOOM.getKey().getValue()) {
-                    handleWeaponZoomPress(player, tag);
+                    handleWeaponZoomPress(player, data);
                     switchZoom = !switchZoom;
                 }
             }
@@ -365,7 +365,7 @@ public class ClickHandler {
         ClientEventHandler.customRpm = 0;
     }
 
-    public static void handleWeaponZoomPress(Player player, final CompoundTag tag) {
+    public static void handleWeaponZoomPress(Player player, GunData data) {
         PacketDistributor.sendToServer(new ZoomMessage(0));
 
         if (player.getVehicle() instanceof VehicleEntity pVehicle && player.getVehicle() instanceof WeaponVehicleEntity iVehicle && iVehicle.hasWeapon(pVehicle.getSeatIndex(player))) {
@@ -374,7 +374,7 @@ public class ClickHandler {
         }
 
         ClientEventHandler.zoom = true;
-        int level = PerkHelper.getItemPerkLevel(ModPerks.INTELLIGENT_CHIP.get(), tag);
+        int level = data.perk.getLevel(ModPerks.INTELLIGENT_CHIP);
         if (level > 0) {
             if (ClientEventHandler.entity == null) {
                 ClientEventHandler.entity = SeekTool.seekLivingEntity(player, player.level(), 32 + 8 * (level - 1), 20);
diff --git a/src/main/java/com/atsuishio/superbwarfare/client/TooltipTool.java b/src/main/java/com/atsuishio/superbwarfare/client/TooltipTool.java
index 5c2c8cde4..0b15c3f1a 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/TooltipTool.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/TooltipTool.java
@@ -1,9 +1,8 @@
 package com.atsuishio.superbwarfare.client;
 
 import com.atsuishio.superbwarfare.init.ModPerks;
+import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
-import com.atsuishio.superbwarfare.tools.NBTTool;
 import net.minecraft.ChatFormatting;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.network.chat.Component;
@@ -24,14 +23,14 @@ public class TooltipTool {
     }
 
     public static boolean heBullet(ItemStack stack) {
-        var perk = PerkHelper.getPerkByType(NBTTool.getTag(stack), Perk.Type.AMMO);
-        return perk == ModPerks.HE_BULLET.get();
+        var perkInstance = GunData.from(stack).perk.getInstance(Perk.Type.AMMO);
+        return perkInstance != null && perkInstance.perk() == ModPerks.HE_BULLET.get();
     }
 
     public static int heBulletLevel(ItemStack stack) {
-        var perk = PerkHelper.getPerkByType(NBTTool.getTag(stack), Perk.Type.AMMO);
-        if (perk == ModPerks.HE_BULLET.get()) {
-            return PerkHelper.getItemPerkLevel(perk, NBTTool.getTag(stack));
+        var perkInstance = GunData.from(stack).perk.getInstance(Perk.Type.AMMO);
+        if (perkInstance != null && perkInstance.perk() == ModPerks.HE_BULLET.get()) {
+            return perkInstance.level();
         }
         return 0;
     }
diff --git a/src/main/java/com/atsuishio/superbwarfare/client/overlay/CrossHairOverlay.java b/src/main/java/com/atsuishio/superbwarfare/client/overlay/CrossHairOverlay.java
index 99319c76a..fd0ec426f 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/overlay/CrossHairOverlay.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/overlay/CrossHairOverlay.java
@@ -8,9 +8,9 @@ import com.atsuishio.superbwarfare.entity.vehicle.base.ArmedVehicleEntity;
 import com.atsuishio.superbwarfare.event.ClientEventHandler;
 import com.atsuishio.superbwarfare.init.ModItems;
 import com.atsuishio.superbwarfare.init.ModTags;
+import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import com.atsuishio.superbwarfare.perk.AmmoPerk;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.NBTTool;
 import com.mojang.blaze3d.platform.GlStateManager;
 import com.mojang.blaze3d.systems.RenderSystem;
@@ -69,8 +69,8 @@ public class CrossHairOverlay {
         float moveX = 0;
         float moveY = 0;
 
-        final var tag = NBTTool.getTag(stack);
-        var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
+        var data = GunData.from(stack);
+        var perk = data.perk.get(Perk.Type.AMMO);
 
         if (DisplayConfig.FLOAT_CROSS_HAIR.get() && player.getVehicle() == null) {
             moveX = (float) (-6 * ClientEventHandler.turnRot[1] - (player.isSprinting() ? 10 : 6) * ClientEventHandler.movePosX);
diff --git a/src/main/java/com/atsuishio/superbwarfare/client/overlay/HandsomeFrameOverlay.java b/src/main/java/com/atsuishio/superbwarfare/client/overlay/HandsomeFrameOverlay.java
index 4f057d332..24258f035 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/overlay/HandsomeFrameOverlay.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/overlay/HandsomeFrameOverlay.java
@@ -7,8 +7,7 @@ import com.atsuishio.superbwarfare.entity.vehicle.base.ArmedVehicleEntity;
 import com.atsuishio.superbwarfare.event.ClientEventHandler;
 import com.atsuishio.superbwarfare.init.ModPerks;
 import com.atsuishio.superbwarfare.item.gun.GunItem;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
-import com.atsuishio.superbwarfare.tools.NBTTool;
+import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import com.atsuishio.superbwarfare.tools.SeekTool;
 import com.mojang.blaze3d.platform.GlStateManager;
 import com.mojang.blaze3d.systems.RenderSystem;
@@ -50,9 +49,8 @@ public class HandsomeFrameOverlay {
                 return;
 
             if (stack.getItem() instanceof GunItem && Minecraft.getInstance().options.getCameraType().isFirstPerson()) {
-
-                final var tag = NBTTool.getTag(stack);
-                int level = PerkHelper.getItemPerkLevel(ModPerks.INTELLIGENT_CHIP.get(), tag);
+                var data = GunData.from(stack);
+                int level = data.perk.getLevel(ModPerks.INTELLIGENT_CHIP);
                 if (level == 0) return;
 
                 RenderSystem.disableDepthTest();
diff --git a/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientBocekImageTooltip.java b/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientBocekImageTooltip.java
index 60bc59be0..f13952810 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientBocekImageTooltip.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientBocekImageTooltip.java
@@ -4,7 +4,6 @@ import com.atsuishio.superbwarfare.client.TooltipTool;
 import com.atsuishio.superbwarfare.client.tooltip.component.GunImageComponent;
 import com.atsuishio.superbwarfare.perk.AmmoPerk;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.FormatTool;
 import net.minecraft.ChatFormatting;
 import net.minecraft.network.chat.Component;
@@ -19,7 +18,7 @@ public class ClientBocekImageTooltip extends ClientGunImageTooltip {
     protected Component getDamageComponent() {
         boolean slug = false;
 
-        var perk = PerkHelper.getPerkByType(data, Perk.Type.AMMO);
+        var perk = data.perk.get(Perk.Type.AMMO);
         if (perk instanceof AmmoPerk ammoPerk && ammoPerk.slug) {
             slug = true;
         }
diff --git a/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientGunImageTooltip.java b/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientGunImageTooltip.java
index 0d4db2a72..b93ffc299 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientGunImageTooltip.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientGunImageTooltip.java
@@ -8,15 +8,12 @@ import com.atsuishio.superbwarfare.item.gun.GunItem;
 import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import com.atsuishio.superbwarfare.perk.AmmoPerk;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.FormatTool;
-import com.atsuishio.superbwarfare.tools.NBTTool;
 import net.minecraft.ChatFormatting;
 import net.minecraft.client.gui.Font;
 import net.minecraft.client.gui.GuiGraphics;
 import net.minecraft.client.gui.screens.Screen;
 import net.minecraft.client.gui.screens.inventory.tooltip.ClientTooltipComponent;
-import net.minecraft.nbt.CompoundTag;
 import net.minecraft.network.chat.Component;
 import net.minecraft.util.Mth;
 import net.minecraft.world.item.ItemStack;
@@ -76,9 +73,9 @@ public class ClientGunImageTooltip implements ClientTooltipComponent {
     }
 
     protected boolean shouldRenderPerks() {
-        return PerkHelper.getPerkByType(data, Perk.Type.AMMO) != null
-                || PerkHelper.getPerkByType(data, Perk.Type.DAMAGE) != null
-                || PerkHelper.getPerkByType(data, Perk.Type.FUNCTIONAL) != null;
+        return data.perk.get(Perk.Type.AMMO) != null
+                || data.perk.get(Perk.Type.DAMAGE) != null
+                || data.perk.get(Perk.Type.FUNCTIONAL) != null;
     }
 
     /**
@@ -174,10 +171,11 @@ public class ClientGunImageTooltip implements ClientTooltipComponent {
      */
     protected Component getBypassComponent() {
         double perkBypassArmorRate = 0;
-        var perk = PerkHelper.getPerkByType(data, Perk.Type.AMMO);
+        var perk = data.perk.get(Perk.Type.AMMO);
 
         if (perk instanceof AmmoPerk ammoPerk) {
-            int level = PerkHelper.getItemPerkLevel(perk, data);
+            var perkInstance = data.perk.getInstance(perk);
+            int level = perkInstance == null ? 0 : perkInstance.level();
             perkBypassArmorRate = ammoPerk.bypassArmorRate + (perk == ModPerks.AP_BULLET.get() ? 0.05f * (level - 1) : 0);
         }
         double bypassRate = Math.max(data.bypassArmor() + perkBypassArmorRate, 0);
@@ -220,52 +218,17 @@ public class ClientGunImageTooltip implements ClientTooltipComponent {
 
         int xOffset = -20;
 
-        Perk ammoPerk = PerkHelper.getPerkByType(data, Perk.Type.AMMO);
-        if (ammoPerk != null && PerkHelper.getPerkItem(ammoPerk).isPresent()) {
+        for (var type : Perk.Type.values()) {
+            var perkInstance = data.perk.getInstance(type);
+            if (perkInstance == null) continue;
+
             xOffset += 20;
 
-            var ammoItem = PerkHelper.getPerkItem(ammoPerk).get().get();
+            var ammoItem = perkInstance.perk().getItem().get();
             ItemStack perkStack = ammoItem.getDefaultInstance();
 
-            CompoundTag ammoTag = PerkHelper.getPerkTag(data, Perk.Type.AMMO);
-            if (!ammoTag.isEmpty()) {
-                int level = PerkHelper.getItemPerkLevel(ammoPerk, data);
-                perkStack.setCount(level);
-            }
-            guiGraphics.renderItem(perkStack, x + xOffset, y + 2);
-            guiGraphics.renderItemDecorations(font, perkStack, x + xOffset, y + 2);
-        }
-
-        Perk funcPerk = PerkHelper.getPerkByType(data, Perk.Type.FUNCTIONAL);
-        if (funcPerk != null && PerkHelper.getPerkItem(funcPerk).isPresent()) {
-            xOffset += 20;
-
-            var funcItem = PerkHelper.getPerkItem(funcPerk).get().get();
-            ItemStack perkStack = funcItem.getDefaultInstance();
-
-            CompoundTag funcTag = PerkHelper.getPerkTag(data, Perk.Type.FUNCTIONAL);
-            if (!funcTag.isEmpty()) {
-                int level = PerkHelper.getItemPerkLevel(funcPerk, data);
-                perkStack.setCount(level);
-            }
-
-            guiGraphics.renderItem(perkStack, x + xOffset, y + 2);
-            guiGraphics.renderItemDecorations(font, perkStack, x + xOffset, y + 2);
-        }
-
-        Perk damagePerk = PerkHelper.getPerkByType(data, Perk.Type.DAMAGE);
-        if (damagePerk != null && PerkHelper.getPerkItem(damagePerk).isPresent()) {
-            xOffset += 20;
-
-            var damageItem = PerkHelper.getPerkItem(damagePerk).get().get();
-            ItemStack perkStack = damageItem.getDefaultInstance();
-
-            CompoundTag damageTag = PerkHelper.getPerkTag(data, Perk.Type.DAMAGE);
-            if (!damageTag.isEmpty()) {
-                int level = PerkHelper.getItemPerkLevel(damagePerk, data);
-                perkStack.setCount(level);
-            }
-
+            int level = perkInstance.level();
+            perkStack.setCount(level);
             guiGraphics.renderItem(perkStack, x + xOffset, y + 2);
             guiGraphics.renderItemDecorations(font, perkStack, x + xOffset, y + 2);
         }
@@ -283,70 +246,27 @@ public class ClientGunImageTooltip implements ClientTooltipComponent {
 
         int yOffset = -5;
 
-        Perk ammoPerk = PerkHelper.getPerkByType(data, Perk.Type.AMMO);
-        if (ammoPerk != null && PerkHelper.getPerkItem(ammoPerk).isPresent()) {
+        for (var type : Perk.Type.values()) {
+            var perkInstance = data.perk.getInstance(type);
+            if (perkInstance == null) continue;
+
             yOffset += 25;
-            var ammoItem = PerkHelper.getPerkItem(ammoPerk).get().get();
+
+            var ammoItem = perkInstance.perk().getItem().get();
             guiGraphics.renderItem(ammoItem.getDefaultInstance(), x, y + 4 + yOffset);
 
-            CompoundTag ammoTag = PerkHelper.getPerkTag(data, Perk.Type.AMMO);
-            if (!ammoTag.isEmpty()) {
-                var ids = ammoTag.getString("id").split(":");
-                if (ids.length > 1) {
-                    String id = ids[1];
-                    var ammoComponent = Component.translatable("item.superbwarfare." + id).withStyle(ChatFormatting.YELLOW)
-                            .append(Component.literal(" ").withStyle(ChatFormatting.RESET))
-                            .append(Component.literal(" Lvl. " + ammoTag.getInt("level")).withStyle(ChatFormatting.WHITE));
-                    var ammoDesComponent = Component.translatable("des.superbwarfare." + id).withStyle(ChatFormatting.GRAY);
+            var ids = perkInstance.perk().descriptionId.split(":");
+            if (ids.length <= 1) continue;
 
-                    guiGraphics.drawString(font, ammoComponent, x + 20, y + yOffset + 2, 0xFFFFFF);
-                    guiGraphics.drawString(font, ammoDesComponent, x + 20, y + yOffset + 12, 0xFFFFFF);
-                }
-            }
-        }
+            String id = ids[1];
+            var component = Component.translatable("item.superbwarfare." + id).withStyle(type.getColor())
+                    .append(Component.literal(" ").withStyle(ChatFormatting.RESET))
+                    .append(Component.literal(" Lvl. " + perkInstance.level()).withStyle(ChatFormatting.WHITE));
+            var descComponent = Component.translatable("des.superbwarfare." + id).withStyle(ChatFormatting.GRAY);
 
-        Perk funcPerk = PerkHelper.getPerkByType(data, Perk.Type.FUNCTIONAL);
-        if (funcPerk != null && PerkHelper.getPerkItem(funcPerk).isPresent()) {
-            yOffset += 25;
-            var funcItem = PerkHelper.getPerkItem(funcPerk).get().get();
-            guiGraphics.renderItem(funcItem.getDefaultInstance(), x, y + 4 + yOffset);
+            guiGraphics.drawString(font, component, x + 20, y + yOffset + 2, 0xFFFFFF);
+            guiGraphics.drawString(font, descComponent, x + 20, y + yOffset + 12, 0xFFFFFF);
 
-            CompoundTag funcTag = PerkHelper.getPerkTag(data, Perk.Type.FUNCTIONAL);
-            if (!funcTag.isEmpty()) {
-                var ids = funcTag.getString("id").split(":");
-                if (ids.length > 1) {
-                    String id = ids[1];
-                    var funcComponent = Component.translatable("item.superbwarfare." + id).withStyle(ChatFormatting.GREEN)
-                            .append(Component.literal(" ").withStyle(ChatFormatting.RESET))
-                            .append(Component.literal(" Lvl. " + funcTag.getInt("level")).withStyle(ChatFormatting.WHITE));
-                    var funcDesComponent = Component.translatable("des.superbwarfare." + id).withStyle(ChatFormatting.GRAY);
-
-                    guiGraphics.drawString(font, funcComponent, x + 20, y + yOffset + 2, 0xFFFFFF);
-                    guiGraphics.drawString(font, funcDesComponent, x + 20, y + yOffset + 12, 0xFFFFFF);
-                }
-            }
-        }
-
-        Perk damagePerk = PerkHelper.getPerkByType(data, Perk.Type.DAMAGE);
-        if (damagePerk != null && PerkHelper.getPerkItem(damagePerk).isPresent()) {
-            yOffset += 25;
-            var damageItem = PerkHelper.getPerkItem(damagePerk).get().get();
-            guiGraphics.renderItem(damageItem.getDefaultInstance(), x, y + 4 + yOffset);
-
-            CompoundTag damageTag = PerkHelper.getPerkTag(data, Perk.Type.DAMAGE);
-            if (!damageTag.isEmpty()) {
-                var ids = damageTag.getString("id").split(":");
-                if (ids.length > 1) {
-                    String id = ids[1];
-                    var damageComponent = Component.translatable("item.superbwarfare." + id).withStyle(ChatFormatting.RED)
-                            .append(Component.literal(" ").withStyle(ChatFormatting.RESET))
-                            .append(Component.literal(" Lvl. " + damageTag.getInt("level")).withStyle(ChatFormatting.WHITE));
-                    var damageDesComponent = Component.translatable("des.superbwarfare." + id).withStyle(ChatFormatting.GRAY);
-
-                    guiGraphics.drawString(font, damageComponent, x + 20, y + yOffset + 2, 0xFFFFFF);
-                    guiGraphics.drawString(font, damageDesComponent, x + 20, y + yOffset + 12, 0xFFFFFF);
-                }
-            }
         }
 
         guiGraphics.pose().popPose();
@@ -370,34 +290,16 @@ public class ClientGunImageTooltip implements ClientTooltipComponent {
 
         int width = 0;
 
-        CompoundTag ammoTag = PerkHelper.getPerkTag(data, Perk.Type.AMMO);
-        if (!ammoTag.isEmpty()) {
-            var ids = ammoTag.getString("id").split(":");
-            if (ids.length > 1) {
-                String id = ids[1];
-                var ammoDesComponent = Component.translatable("des.superbwarfare." + id).withStyle(ChatFormatting.GRAY);
-                width = Math.max(width, font.width(ammoDesComponent));
-            }
-        }
+        for (var type : Perk.Type.values()) {
+            var perkInstance = data.perk.getInstance(type);
+            if (perkInstance == null) continue;
 
-        CompoundTag funcTag = PerkHelper.getPerkTag(data, Perk.Type.FUNCTIONAL);
-        if (!funcTag.isEmpty()) {
-            var ids = funcTag.getString("id").split(":");
-            if (ids.length > 1) {
-                String id = ids[1];
-                var funcDesComponent = Component.translatable("des.superbwarfare." + id).withStyle(ChatFormatting.GRAY);
-                width = Math.max(width, font.width(funcDesComponent));
-            }
-        }
+            var ids = perkInstance.perk().descriptionId.split(":");
+            if (ids.length <= 1) continue;
 
-        CompoundTag damageTag = PerkHelper.getPerkTag(data, Perk.Type.DAMAGE);
-        if (!damageTag.isEmpty()) {
-            var ids = damageTag.getString("id").split(":");
-            if (ids.length > 1) {
-                String id = ids[1];
-                var damageDesComponent = Component.translatable("des.superbwarfare." + id).withStyle(ChatFormatting.GRAY);
-                width = Math.max(width, font.width(damageDesComponent));
-            }
+            String id = ids[1];
+            var ammoDesComponent = Component.translatable("des.superbwarfare." + id).withStyle(ChatFormatting.GRAY);
+            width = Math.max(width, font.width(ammoDesComponent));
         }
 
         return width + 25;
@@ -410,19 +312,13 @@ public class ClientGunImageTooltip implements ClientTooltipComponent {
         if (shouldRenderBypassAndHeadshotTooltip()) height += 10;
         if (shouldRenderEditTooltip()) height += 20;
         if (shouldRenderPerks()) {
-            if (!Screen.hasShiftDown()) {
-                height += 16;
-            } else {
-                height += 16;
-                final var tag = NBTTool.getTag(stack);
-                if (PerkHelper.getPerkByType(tag, Perk.Type.AMMO) != null) {
-                    height += 25;
-                }
-                if (PerkHelper.getPerkByType(tag, Perk.Type.FUNCTIONAL) != null) {
-                    height += 25;
-                }
-                if (PerkHelper.getPerkByType(tag, Perk.Type.DAMAGE) != null) {
-                    height += 25;
+            height += 16;
+
+            if (Screen.hasShiftDown()) {
+                for (var type : Perk.Type.values()) {
+                    if (data.perk.has(type)) {
+                        height += 25;
+                    }
                 }
             }
         }
diff --git a/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientLauncherImageTooltip.java b/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientLauncherImageTooltip.java
index be3dc1172..a17b497b9 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientLauncherImageTooltip.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientLauncherImageTooltip.java
@@ -1,9 +1,7 @@
 package com.atsuishio.superbwarfare.client.tooltip;
 
-import com.atsuishio.superbwarfare.client.TooltipTool;
 import com.atsuishio.superbwarfare.client.tooltip.component.GunImageComponent;
 import com.atsuishio.superbwarfare.init.ModPerks;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.FormatTool;
 import net.minecraft.ChatFormatting;
 import net.minecraft.network.chat.Component;
@@ -17,7 +15,8 @@ public class ClientLauncherImageTooltip extends ClientGunImageTooltip {
     @Override
     protected Component getDamageComponent() {
         double damage = data.damage();
-        int perkLevel = PerkHelper.getItemPerkLevel(ModPerks.MICRO_MISSILE.get(), data);
+        var perkInstance = data.perk.getInstance(ModPerks.MICRO_MISSILE.get());
+        int perkLevel = perkInstance == null ? 0 : perkInstance.level();
         if (perkLevel > 0) damage *= 1.1f + perkLevel * 0.1f;
 
         double explosionDamage = data.explosionDamage();
diff --git a/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientSecondaryCataclysmImageTooltip.java b/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientSecondaryCataclysmImageTooltip.java
index 0731af575..3a7af7189 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientSecondaryCataclysmImageTooltip.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientSecondaryCataclysmImageTooltip.java
@@ -2,7 +2,6 @@ package com.atsuishio.superbwarfare.client.tooltip;
 
 import com.atsuishio.superbwarfare.client.tooltip.component.GunImageComponent;
 import com.atsuishio.superbwarfare.init.ModPerks;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.FormatTool;
 import net.minecraft.ChatFormatting;
 import net.minecraft.network.chat.Component;
@@ -16,7 +15,8 @@ public class ClientSecondaryCataclysmImageTooltip extends ClientEnergyImageToolt
     @Override
     protected Component getDamageComponent() {
         double damage = data.damage();
-        int perkLevel = PerkHelper.getItemPerkLevel(ModPerks.MICRO_MISSILE.get(), data);
+        var perkInstance = data.perk.getInstance(ModPerks.MICRO_MISSILE.get());
+        int perkLevel = perkInstance == null ? 0 : perkInstance.level();
         if (perkLevel > 0) damage *= 1.1f + perkLevel * 0.1f;
 
         double explosionDamage = data.explosionDamage();
diff --git a/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientShotgunImageTooltip.java b/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientShotgunImageTooltip.java
index ede6cdea8..f20235f4a 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientShotgunImageTooltip.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/tooltip/ClientShotgunImageTooltip.java
@@ -4,7 +4,6 @@ import com.atsuishio.superbwarfare.client.TooltipTool;
 import com.atsuishio.superbwarfare.client.tooltip.component.GunImageComponent;
 import com.atsuishio.superbwarfare.perk.AmmoPerk;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.FormatTool;
 import net.minecraft.ChatFormatting;
 import net.minecraft.network.chat.Component;
@@ -19,7 +18,7 @@ public class ClientShotgunImageTooltip extends ClientGunImageTooltip {
     protected Component getDamageComponent() {
         boolean slug = false;
 
-        var perk = PerkHelper.getPerkByType(data, Perk.Type.AMMO);
+        var perk = data.perk.get(Perk.Type.AMMO);
         if (perk instanceof AmmoPerk ammoPerk && ammoPerk.slug) {
             slug = true;
         }
diff --git a/src/main/java/com/atsuishio/superbwarfare/event/ClientEventHandler.java b/src/main/java/com/atsuishio/superbwarfare/event/ClientEventHandler.java
index fbfb380d5..fab193d9b 100644
--- a/src/main/java/com/atsuishio/superbwarfare/event/ClientEventHandler.java
+++ b/src/main/java/com/atsuishio/superbwarfare/event/ClientEventHandler.java
@@ -16,7 +16,6 @@ import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import com.atsuishio.superbwarfare.network.message.send.*;
 import com.atsuishio.superbwarfare.perk.AmmoPerk;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.*;
 import com.atsuishio.superbwarfare.tools.animation.AnimationCurves;
 import net.minecraft.client.CameraType;
@@ -396,7 +395,7 @@ public class ClientEventHandler {
         var data = GunData.from(stack);
         final var tag = data.tag();
 
-        var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
+        var perk = data.perk.get(Perk.Type.AMMO);
         int mode = data.fireMode();
 
         // 精准度
@@ -446,7 +445,7 @@ public class ClientEventHandler {
         }
 
         if (GunsTool.getPerkIntTag(tag, "DesperadoTimePost") > 0) {
-            int perkLevel = PerkHelper.getItemPerkLevel(ModPerks.DESPERADO.get(), tag);
+            int perkLevel = data.perk.getLevel(ModPerks.DESPERADO);
             rpm *= (int) (1.285 + 0.015 * perkLevel);
         }
 
@@ -574,7 +573,7 @@ public class ClientEventHandler {
                 }
 
                 if (stack.is(ModItems.DEVOTION.get())) {
-                    int perkLevel = PerkHelper.getItemPerkLevel(ModPerks.TURBO_CHARGER.get(), tag);
+                    int perkLevel = data.perk.getLevel(ModPerks.TURBO_CHARGER);
                     customRpm = Math.min(customRpm + 15 + ((perkLevel > 0 ? 5 : 0) + 3 * perkLevel), 500);
                 }
 
@@ -600,7 +599,7 @@ public class ClientEventHandler {
         } else if (stack.is(ModItems.MINIGUN.get())) {
             var cap = player.getCapability(ModCapabilities.PLAYER_VARIABLE);
             if (cap != null && cap.rifleAmmo > 0 || InventoryTool.hasCreativeAmmoBox(player)) {
-                var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
+                var perk = data.perk.get(Perk.Type.AMMO);
                 float pitch = tag.getDouble("heat") <= 40 ? 1 : (float) (1 - 0.025 * Math.abs(40 - tag.getDouble("heat")));
 
                 player.playSound(ModSounds.MINIGUN_FIRE_1P.get(), 1f, pitch);
@@ -680,14 +679,13 @@ public class ClientEventHandler {
                 return;
             }
         }
-
-        var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
+        var data = GunData.from(stack);
+        var perk = data.perk.get(Perk.Type.AMMO);
 
         if (perk == ModPerks.BEAST_BULLET.get()) {
             player.playSound(ModSounds.HENG.get(), 1f, 1f);
         }
 
-        var data = GunData.from(stack);
         int barrelType = data.attachment.get(AttachmentType.BARREL);
 
         SoundEvent sound1p = BuiltInRegistries.SOUND_EVENT.get(Mod.loc(name + (barrelType == 2 ? "_fire_1p_s" : "_fire_1p")));
@@ -1420,7 +1418,7 @@ public class ClientEventHandler {
                     && cap != null
                     && !cap.edit) {
                 if (!player.isShiftKeyDown()) {
-                    int intelligentChipLevel = PerkHelper.getItemPerkLevel(ModPerks.INTELLIGENT_CHIP.get(), tag);
+                    int intelligentChipLevel = data.perk.getLevel(ModPerks.INTELLIGENT_CHIP);
 
                     if (intelligentChipLevel > 0) {
                         if (ClientEventHandler.entity == null || !entity.isAlive()) {
diff --git a/src/main/java/com/atsuishio/superbwarfare/event/GunEventHandler.java b/src/main/java/com/atsuishio/superbwarfare/event/GunEventHandler.java
index 1db8a4098..39254106c 100644
--- a/src/main/java/com/atsuishio/superbwarfare/event/GunEventHandler.java
+++ b/src/main/java/com/atsuishio/superbwarfare/event/GunEventHandler.java
@@ -15,7 +15,6 @@ import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import com.atsuishio.superbwarfare.item.gun.data.ReloadState;
 import com.atsuishio.superbwarfare.perk.AmmoPerk;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.AmmoType;
 import com.atsuishio.superbwarfare.tools.GunsTool;
 import com.atsuishio.superbwarfare.tools.InventoryTool;
@@ -123,7 +122,7 @@ public class GunEventHandler {
                 }
             }
 
-            var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
+            var perk = data.perk.get(Perk.Type.AMMO);
             if (perk == ModPerks.BEAST_BULLET.get()) {
                 player.playSound(ModSounds.HENG.get(), 4f, 1f);
             }
@@ -186,12 +185,13 @@ public class GunEventHandler {
         if (!player.level().isClientSide()) {
             float headshot = (float) data.headshot();
             float damage = (float) data.damage();
-            float velocity = (float) ((data.velocity() + GunsTool.getGunDoubleTag(tag, "CustomVelocity")) * perkSpeed(tag));
+            float velocity = (float) ((data.velocity() + GunsTool.getGunDoubleTag(tag, "CustomVelocity")) * perkSpeed(data));
             int projectileAmount = data.projectileAmount();
             float bypassArmorRate = (float) data.bypassArmor();
             var cap = player.getCapability(ModCapabilities.PLAYER_VARIABLE);
             boolean zoom = cap != null && cap.zoom;
-            var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
+            var perkInstance = data.perk.getInstance(Perk.Type.AMMO);
+            var perk = perkInstance != null ? perkInstance.perk() : null;
 
             if (perk != null && perk.descriptionId.equals("butterfly_bullet")) {
                 if (handleButterflyBullet(perk, stack, player)) return;
@@ -205,7 +205,7 @@ public class GunEventHandler {
                     .zoom(zoom);
 
             if (perk instanceof AmmoPerk ammoPerk) {
-                int level = PerkHelper.getItemPerkLevel(perk, tag);
+                int level = data.perk.getLevel(perk);
 
                 bypassArmorRate += ammoPerk.bypassArmorRate + (perk == ModPerks.AP_BULLET.get() ? 0.05f * (level - 1) : 0);
                 projectile.setRGB(ammoPerk.rgb);
@@ -237,24 +237,24 @@ public class GunEventHandler {
             projectile.bypassArmorRate(bypassArmorRate);
 
             if (perk == ModPerks.SILVER_BULLET.get()) {
-                int level = PerkHelper.getItemPerkLevel(perk, tag);
+                int level = data.perk.getLevel(perk);
                 projectile.undeadMultiple(1.0f + 0.5f * level);
             } else if (perk == ModPerks.BEAST_BULLET.get()) {
                 projectile.beast();
             } else if (perk == ModPerks.JHP_BULLET.get()) {
-                int level = PerkHelper.getItemPerkLevel(perk, tag);
+                int level = data.perk.getLevel(perk);
                 projectile.jhpBullet(level);
             } else if (perk == ModPerks.HE_BULLET.get()) {
-                int level = PerkHelper.getItemPerkLevel(perk, tag);
+                int level = data.perk.getLevel(perk);
                 projectile.heBullet(level);
             } else if (perk == ModPerks.INCENDIARY_BULLET.get()) {
-                int level = PerkHelper.getItemPerkLevel(perk, tag);
+                int level = data.perk.getLevel(perk);
                 projectile.fireBullet(level, stack.is(ModTags.Items.SHOTGUN));
             }
 
-            var dmgPerk = PerkHelper.getPerkByType(tag, Perk.Type.DAMAGE);
+            var dmgPerk = data.perk.get(Perk.Type.DAMAGE);
             if (dmgPerk == ModPerks.MONSTER_HUNTER.get()) {
-                int level = PerkHelper.getItemPerkLevel(dmgPerk, tag);
+                int level = data.perk.getLevel(dmgPerk);
                 projectile.monsterMultiple(0.1f + 0.1f * level);
             }
 
@@ -264,8 +264,8 @@ public class GunEventHandler {
         }
     }
 
-    public static double perkSpeed(final CompoundTag tag) {
-        var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
+    public static double perkSpeed(GunData data) {
+        var perk = data.perk.get(Perk.Type.AMMO);
         if (perk instanceof AmmoPerk ammoPerk) {
             return ammoPerk.speedRate;
         }
@@ -275,7 +275,7 @@ public class GunEventHandler {
     // TODO 这还有联动的必要吗（
     private static boolean handleButterflyBullet(Perk perk, ItemStack heldItem, Player player) {
         return true;
-//        int perkLevel = PerkHelper.getItemPerkLevel(perk, tag);
+//        int perkLevel = data.perk.getLevel(perk);
 //
 //        var entityType = CompatHolder.VRC_RAIN_SHOWER_BUTTERFLY;
 //        if (entityType != null) {
diff --git a/src/main/java/com/atsuishio/superbwarfare/event/LivingEventHandler.java b/src/main/java/com/atsuishio/superbwarfare/event/LivingEventHandler.java
index 663e5940e..d3fab3182 100644
--- a/src/main/java/com/atsuishio/superbwarfare/event/LivingEventHandler.java
+++ b/src/main/java/com/atsuishio/superbwarfare/event/LivingEventHandler.java
@@ -24,7 +24,6 @@ import com.atsuishio.superbwarfare.network.message.receive.DrawClientMessage;
 import com.atsuishio.superbwarfare.network.message.receive.PlayerGunKillMessage;
 import com.atsuishio.superbwarfare.perk.AmmoPerk;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.*;
 import net.minecraft.network.chat.Component;
 import net.minecraft.network.protocol.game.ClientboundStopSoundPacket;
@@ -139,13 +138,15 @@ public class LivingEventHandler {
         ItemStack stack = sourceEntity instanceof LivingEntity living ? living.getMainHandItem() : ItemStack.EMPTY;
 
         final var tag = NBTTool.getTag(stack);
-        var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
 
         // 距离衰减
-        if (DamageTypeTool.isGunDamage(source)) {
+        if (DamageTypeTool.isGunDamage(source) && stack.getItem() instanceof GunItem) {
             double distance = entity.position().distanceTo(sourceEntity.position());
+            var data = GunData.from(stack);
 
             if (stack.is(ModTags.Items.USE_SHOTGUN_AMMO)) {
+                var perk = data.perk.get(Perk.Type.AMMO);
+
                 if (perk instanceof AmmoPerk ammoPerk && ammoPerk.slug) {
                     damage = reduceDamageByDistance(amount, distance, 0.015, 30);
                 } else {
@@ -219,7 +220,7 @@ public class LivingEventHandler {
 
         // 先处理发射器类武器或高爆弹的爆炸伤害
         if (source.is(ModDamageTypes.PROJECTILE_BOOM)) {
-            if (stack.is(ModTags.Items.LAUNCHER) || PerkHelper.getItemPerkLevel(ModPerks.HE_BULLET.get(), tag) > 0) {
+            if (stack.is(ModTags.Items.LAUNCHER) || data.perk.getLevel(ModPerks.HE_BULLET) > 0) {
                 data.setExp(data.exp() + amount);
             }
         }
@@ -241,11 +242,10 @@ public class LivingEventHandler {
 
         var data = GunData.from(stack);
         double amount = 20 + 2 * event.getEntity().getMaxHealth();
-        final var tag = NBTTool.getTag(stack);
 
         // 先处理发射器类武器或高爆弹的爆炸伤害
         if (source.is(ModDamageTypes.PROJECTILE_BOOM)) {
-            if (stack.is(ModTags.Items.LAUNCHER) || PerkHelper.getItemPerkLevel(ModPerks.HE_BULLET.get(), tag) > 0) {
+            if (stack.is(ModTags.Items.LAUNCHER) || data.perk.getLevel(ModPerks.HE_BULLET) > 0) {
                 data.setExp(data.exp() + amount);
             }
         }
@@ -424,7 +424,7 @@ public class LivingEventHandler {
                         newData.charge.reset();
                     }
 
-                    int level = PerkHelper.getItemPerkLevel(ModPerks.KILLING_TALLY.get(), newTag);
+                    int level = newData.perk.getLevel(ModPerks.KILLING_TALLY);
                     if (level != 0) {
                         GunsTool.setPerkIntTag(newTag, "KillingTally", 0);
                     }
@@ -498,9 +498,8 @@ public class LivingEventHandler {
         }
 
         ItemStack stack = attacker.getMainHandItem();
-        if (!stack.is(ModTags.Items.GUN)) {
-            return;
-        }
+        if (!stack.is(ModTags.Items.GUN)) return;
+        var data = GunData.from(stack);
 
         if (DamageTypeTool.isGunDamage(source) || source.is(ModDamageTypes.PROJECTILE_BOOM)) {
             handleKillClipDamage(stack, event);
@@ -520,8 +519,7 @@ public class LivingEventHandler {
         }
 
         if (source.getDirectEntity() instanceof ProjectileEntity projectile) {
-            final var tag = NBTTool.getTag(stack);
-            if (PerkHelper.getItemPerkLevel(ModPerks.FOURTH_TIMES_CHARM.get(), tag) > 0) {
+            if (data.perk.getLevel(ModPerks.FOURTH_TIMES_CHARM) > 0) {
                 float bypassArmorRate = projectile.getBypassArmorRate();
                 if (bypassArmorRate >= 1.0f && source.is(ModDamageTypes.GUN_FIRE_HEADSHOT_ABSOLUTE)) {
                     handleFourthTimesCharm(stack);
@@ -576,27 +574,25 @@ public class LivingEventHandler {
 
     private static void handleClipPerks(ItemStack stack) {
         var data = GunData.from(stack);
-        final var tag = data.tag();
-        int healClipLevel = PerkHelper.getItemPerkLevel(ModPerks.HEAL_CLIP.get(), tag);
+        int healClipLevel = data.perk.getLevel(ModPerks.HEAL_CLIP);
+        var tag = data.perk.getTag(ModPerks.HEAL_CLIP);
         if (healClipLevel != 0) {
-            GunsTool.setPerkIntTag(tag, "HealClipTime", 80 + healClipLevel * 20);
+            tag.putInt("HealClipTime", 80 + healClipLevel * 20);
         }
 
-        int killClipLevel = PerkHelper.getItemPerkLevel(ModPerks.KILL_CLIP.get(), tag);
+        int killClipLevel = data.perk.getLevel(ModPerks.KILL_CLIP);
         if (killClipLevel != 0) {
-            GunsTool.setPerkIntTag(tag, "KillClipReloadTime", 80);
+            tag.putInt("KillClipReloadTime", 80);
         }
         data.save();
     }
 
     private static void handleKillClipDamage(ItemStack stack, LivingIncomingDamageEvent event) {
         var data = GunData.from(stack);
-        final var tag = data.tag();
-        if (GunsTool.getPerkIntTag(tag, "KillClipTime") > 0) {
-            int level = PerkHelper.getItemPerkLevel(ModPerks.KILL_CLIP.get(), tag);
-            if (level == 0) {
-                return;
-            }
+        final var tag = data.perk.getTag(ModPerks.KILL_CLIP);
+        if (tag.getInt("KillClipTime") > 0) {
+            int level = data.perk.getLevel(ModPerks.KILL_CLIP);
+            if (level == 0) return;
 
             event.setAmount(event.getAmount() * (1.2f + 0.05f * level));
         }
@@ -604,8 +600,7 @@ public class LivingEventHandler {
 
     private static void handleGutshotStraightDamage(ItemStack stack, LivingIncomingDamageEvent event) {
         var data = GunData.from(stack);
-        final var tag = data.tag();
-        int level = PerkHelper.getItemPerkLevel(ModPerks.GUTSHOT_STRAIGHT.get(), tag);
+        int level = data.perk.getLevel(ModPerks.GUTSHOT_STRAIGHT);
         if (level == 0) return;
 
         event.setAmount(event.getAmount() * (1.15f + 0.05f * level));
@@ -614,10 +609,10 @@ public class LivingEventHandler {
     private static void handleKillingTallyDamage(ItemStack stack, LivingIncomingDamageEvent event) {
         var data = GunData.from(stack);
         final var tag = data.tag();
-        int level = PerkHelper.getItemPerkLevel(ModPerks.KILLING_TALLY.get(), tag);
+        int level = data.perk.getLevel(ModPerks.KILLING_TALLY);
         if (level == 0) return;
 
-        int killTally = GunsTool.getPerkIntTag(tag, "KillingTally");
+        int killTally = data.perk.getTag(ModPerks.KILLING_TALLY).getInt("KillingTally");
         if (killTally == 0) {
             return;
         }
@@ -627,37 +622,37 @@ public class LivingEventHandler {
 
     private static void handleKillingTallyAddCount(ItemStack stack) {
         var data = GunData.from(stack);
-        final var tag = data.tag();
-        int level = PerkHelper.getItemPerkLevel(ModPerks.KILLING_TALLY.get(), tag);
+        int level = data.perk.getLevel(ModPerks.KILLING_TALLY);
         if (level != 0) {
-            GunsTool.setPerkIntTag(tag, "KillingTally", Math.min(3, GunsTool.getPerkIntTag(tag, "KillingTally") + 1));
+            var tag = data.perk.getTag(ModPerks.KILLING_TALLY);
+            tag.putInt("KillingTally", Math.min(3, tag.getInt("KillingTally") + 1));
             data.save();
         }
     }
 
     private static void handleFourthTimesCharm(ItemStack stack) {
         var data = GunData.from(stack);
-        final var tag = data.tag();
-        int level = PerkHelper.getItemPerkLevel(ModPerks.FOURTH_TIMES_CHARM.get(), tag);
+        int level = data.perk.getLevel(ModPerks.FOURTH_TIMES_CHARM);
         if (level == 0) return;
+        final var tag = data.perk.getTag(ModPerks.FOURTH_TIMES_CHARM);
 
-        int fourthTimesCharmTick = GunsTool.getPerkIntTag(tag, "FourthTimesCharmTick");
+        int fourthTimesCharmTick = tag.getInt("FourthTimesCharmTick");
         if (fourthTimesCharmTick <= 0) {
-            GunsTool.setPerkIntTag(tag, "FourthTimesCharmTick", 40 + 10 * level);
-            GunsTool.setPerkIntTag(tag, "FourthTimesCharmCount", 1);
+            tag.putInt("FourthTimesCharmTick", 40 + 10 * level);
+            tag.putInt("FourthTimesCharmCount", 1);
         } else {
-            int count = GunsTool.getPerkIntTag(tag, "FourthTimesCharmCount");
+            int count = tag.getInt("FourthTimesCharmCount");
             if (count < 4) {
-                GunsTool.setPerkIntTag(tag, "FourthTimesCharmCount", Math.min(4, count + 1));
+                tag.putInt("FourthTimesCharmCount", Math.min(4, count + 1));
             }
         }
+
         data.save();
     }
 
     private static void handleSubsistence(ItemStack stack, Player player) {
         var data = GunData.from(stack);
-        final var tag = data.tag();
-        int level = PerkHelper.getItemPerkLevel(ModPerks.SUBSISTENCE.get(), tag);
+        int level = data.perk.getLevel(ModPerks.SUBSISTENCE);
         if (level == 0) return;
 
         float rate = level * 0.1f + (stack.is(ModTags.Items.SMG) || stack.is(ModTags.Items.RIFLE) ? 0.07f : 0f);
@@ -696,8 +691,7 @@ public class LivingEventHandler {
 
     private static void handleFieldDoctor(ItemStack stack, LivingIncomingDamageEvent event, Player player) {
         var data = GunData.from(stack);
-        final var tag = data.tag();
-        int level = PerkHelper.getItemPerkLevel(ModPerks.FIELD_DOCTOR.get(), tag);
+        int level = data.perk.getLevel(ModPerks.FIELD_DOCTOR);
         if (level == 0) return;
 
         if (event.getEntity().isAlliedTo(player)) {
@@ -708,32 +702,31 @@ public class LivingEventHandler {
 
     private static void handleHeadSeekerTime(ItemStack stack) {
         var data = GunData.from(stack);
-        final var tag = data.tag();
-        int level = PerkHelper.getItemPerkLevel(ModPerks.HEAD_SEEKER.get(), tag);
+        int level = data.perk.getLevel(ModPerks.HEAD_SEEKER);
         if (level == 0) return;
 
-        GunsTool.setPerkIntTag(tag, "HeadSeeker", 11 + level * 2);
+        data.perk.getTag(ModPerks.HEAD_SEEKER).putInt("HeadSeeker", 11 + level * 2);
         data.save();
     }
 
     private static void handleHeadSeekerDamage(ItemStack stack, LivingIncomingDamageEvent event) {
         var data = GunData.from(stack);
-        final var tag = data.tag();
-        int level = PerkHelper.getItemPerkLevel(ModPerks.HEAD_SEEKER.get(), tag);
+        int level = data.perk.getLevel(ModPerks.HEAD_SEEKER);
         if (level == 0) return;
 
-        if (GunsTool.getPerkIntTag(tag, "HeadSeeker") > 0) {
+        var tag = data.perk.getTag(ModPerks.HEAD_SEEKER);
+        if (tag.getInt("HeadSeeker") > 0) {
             event.setAmount(event.getAmount() * (1.095f + 0.0225f * level));
         }
     }
 
     private static void handleDesperado(ItemStack stack) {
         var data = GunData.from(stack);
-        final var tag = data.tag();
-        int level = PerkHelper.getItemPerkLevel(ModPerks.DESPERADO.get(), tag);
+        int level = data.perk.getLevel(ModPerks.DESPERADO);
         if (level == 0) return;
 
-        GunsTool.setPerkIntTag(tag, "DesperadoTime", 90 + level * 10);
+        var tag = data.perk.getTag(ModPerks.DESPERADO);
+        tag.putInt("DesperadoTime", 90 + level * 10);
         data.save();
     }
 
@@ -801,8 +794,10 @@ public class LivingEventHandler {
         }
 
         // 磁吸Perk
-        final var mainHandTag = NBTTool.getTag(mainHandItem);
-        if (mainHandItem.is(ModTags.Items.GUN) && PerkHelper.getItemPerkLevel(ModPerks.POWERFUL_ATTRACTION.get(), mainHandTag) > 0 && (DamageTypeTool.isGunDamage(source) || DamageTypeTool.isExplosionDamage(source))) {
+        if (mainHandItem.is(ModTags.Items.GUN)
+                && GunData.from(mainHandItem).perk.has(ModPerks.POWERFUL_ATTRACTION.get())
+                && (DamageTypeTool.isGunDamage(source) || DamageTypeTool.isExplosionDamage(source))
+        ) {
             var drops = event.getDrops();
             drops.forEach(itemEntity -> {
                 ItemStack item = itemEntity.getItem();
@@ -827,9 +822,9 @@ public class LivingEventHandler {
 
         ItemStack stack = player.getMainHandItem();
         if (!stack.is(ModTags.Items.GUN)) return;
+        var data = GunData.from(stack);
 
-        final var tag = NBTTool.getTag(stack);
-        int level = PerkHelper.getItemPerkLevel(ModPerks.POWERFUL_ATTRACTION.get(), tag);
+        int level = data.perk.getLevel(ModPerks.POWERFUL_ATTRACTION);
         if (level > 0) {
             player.giveExperiencePoints((int) (event.getDroppedExperience() * (0.8f + 0.2f * level)));
 
@@ -846,9 +841,9 @@ public class LivingEventHandler {
 
     private static void handleVorpalWeaponDamage(ItemStack stack, LivingIncomingDamageEvent event) {
         var entity = event.getEntity();
+        var data = GunData.from(stack);
 
-        final var tag = NBTTool.getTag(stack);
-        int level = PerkHelper.getItemPerkLevel(ModPerks.VORPAL_WEAPON.get(), tag);
+        int level = data.perk.getLevel(ModPerks.VORPAL_WEAPON);
         if (level <= 0) return;
         if (entity.getHealth() < 100.0f) return;
 
diff --git a/src/main/java/com/atsuishio/superbwarfare/event/ReloadEventHandler.java b/src/main/java/com/atsuishio/superbwarfare/event/ReloadEventHandler.java
index 38099b610..e6c19a55a 100644
--- a/src/main/java/com/atsuishio/superbwarfare/event/ReloadEventHandler.java
+++ b/src/main/java/com/atsuishio/superbwarfare/event/ReloadEventHandler.java
@@ -4,7 +4,6 @@ import com.atsuishio.superbwarfare.event.events.ReloadEvent;
 import com.atsuishio.superbwarfare.init.ModPerks;
 import com.atsuishio.superbwarfare.init.ModTags;
 import com.atsuishio.superbwarfare.item.gun.data.GunData;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.GunsTool;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
@@ -66,7 +65,7 @@ public class ReloadEventHandler {
         final var tag = data.tag();
         if (!GunsTool.getPerkBooleanTag(tag, "HealClip")) return;
 
-        int healClipLevel = PerkHelper.getItemPerkLevel(ModPerks.HEAL_CLIP.get(), tag);
+        int healClipLevel = data.perk.getLevel(ModPerks.HEAL_CLIP);
         if (healClipLevel == 0) {
             healClipLevel = 1;
         }
@@ -96,7 +95,7 @@ public class ReloadEventHandler {
         final var tag = data.tag();
         if (!GunsTool.getPerkBooleanTag(tag, "KillClip")) return;
 
-        int level = PerkHelper.getItemPerkLevel(ModPerks.KILL_CLIP.get(), tag);
+        int level = data.perk.getLevel(ModPerks.KILL_CLIP);
         GunsTool.setPerkIntTag(tag, "KillClipTime", 90 + 10 * level);
         data.save();
     }
@@ -104,7 +103,7 @@ public class ReloadEventHandler {
     private static void handleKillingTallyPre(ItemStack stack) {
         var data = GunData.from(stack);
         final var tag = data.tag();
-        int level = PerkHelper.getItemPerkLevel(ModPerks.KILLING_TALLY.get(), tag);
+        int level = data.perk.getLevel(ModPerks.KILLING_TALLY);
         if (level == 0) return;
 
         GunsTool.setPerkIntTag(tag, "KillingTally", 0);
@@ -129,7 +128,7 @@ public class ReloadEventHandler {
         final var tag = data.tag();
         if (!GunsTool.getPerkBooleanTag(tag, "Desperado")) return;
 
-        int level = PerkHelper.getItemPerkLevel(ModPerks.DESPERADO.get(), tag);
+        int level = data.perk.getLevel(ModPerks.DESPERADO);
         GunsTool.setPerkIntTag(tag, "DesperadoTimePost", 110 + level * 10);
         data.save();
     }
diff --git a/src/main/java/com/atsuishio/superbwarfare/init/ModPerks.java b/src/main/java/com/atsuishio/superbwarfare/init/ModPerks.java
index 12c0b7e0c..92e64fe66 100644
--- a/src/main/java/com/atsuishio/superbwarfare/init/ModPerks.java
+++ b/src/main/java/com/atsuishio/superbwarfare/init/ModPerks.java
@@ -75,7 +75,7 @@ public class ModPerks {
     public static final DeferredHolder<Perk, Perk> DESPERADO = DAMAGE_PERKS.register("desperado", () -> new Perk("desperado", Perk.Type.DAMAGE));
     public static final DeferredHolder<Perk, Perk> VORPAL_WEAPON = DAMAGE_PERKS.register("vorpal_weapon", () -> new Perk("vorpal_weapon", Perk.Type.DAMAGE));
 
-    public static void registerCompatPerks() {
+//    public static void registerCompatPerks() {
 //        if (ModList.get().isLoaded(CompatHolder.DMV)) {
 //            AMMO_PERKS.register("blade_bullet", () -> new AmmoPerk(new AmmoPerk.Builder("blade_bullet", Perk.Type.AMMO)
 //                    .bypassArmorRate(-0.2f).damageRate(0.7f).speedRate(0.8f).rgb(0xB4, 0x4B, 0x88).mobEffect(() -> CompatHolder.DMV_BLEEDING)));
@@ -88,10 +88,10 @@ public class ModPerks {
 //            AMMO_PERKS.register("butterfly_bullet", () -> new AmmoPerk(new AmmoPerk.Builder("butterfly_bullet", Perk.Type.AMMO)
 //                    .bypassArmorRate(0.0f)));
 //        }
-    }
+//    }
 
     public static void register(IEventBus bus) {
-        registerCompatPerks();
+//        registerCompatPerks();
         AMMO_PERKS.register(bus);
         FUNC_PERKS.register(bus);
         DAMAGE_PERKS.register(bus);
diff --git a/src/main/java/com/atsuishio/superbwarfare/item/gun/GunItem.java b/src/main/java/com/atsuishio/superbwarfare/item/gun/GunItem.java
index eca707ae8..665d7d6ca 100644
--- a/src/main/java/com/atsuishio/superbwarfare/item/gun/GunItem.java
+++ b/src/main/java/com/atsuishio/superbwarfare/item/gun/GunItem.java
@@ -11,14 +11,11 @@ import com.atsuishio.superbwarfare.item.CustomRendererItem;
 import com.atsuishio.superbwarfare.item.gun.data.AttachmentType;
 import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.AmmoType;
-import com.atsuishio.superbwarfare.tools.GunsTool;
 import net.minecraft.client.model.HumanoidModel;
 import net.minecraft.client.renderer.BlockEntityWithoutLevelRenderer;
 import net.minecraft.core.BlockPos;
 import net.minecraft.core.Holder;
-import net.minecraft.nbt.CompoundTag;
 import net.minecraft.resources.ResourceLocation;
 import net.minecraft.sounds.SoundEvent;
 import net.minecraft.world.InteractionHand;
@@ -166,41 +163,40 @@ public abstract class GunItem extends Item implements CustomRendererItem {
 
 
     private void handleGunPerks(GunData data) {
-        var tag = data.tag();
+        var perk = data.perk;
 
-        reducePerkTagCoolDown(tag, "HealClipTime", "KillClipReloadTime", "KillClipTime", "FourthTimesCharmTick", "HeadSeeker",
-                "DesperadoTime", "DesperadoTimePost");
+        perk.reduceCooldown(ModPerks.HEAL_CLIP, "HealClipTime");
+
+        perk.reduceCooldown(ModPerks.KILL_CLIP, "KillClipReloadTime");
+        perk.reduceCooldown(ModPerks.KILL_CLIP, "KillClipTime");
+
+        perk.reduceCooldown(ModPerks.FOURTH_TIMES_CHARM, "FourthTimesCharmTick");
+
+        perk.reduceCooldown(ModPerks.HEAD_SEEKER, "HeadSeeker");
+
+        perk.reduceCooldown(ModPerks.DESPERADO, "DesperadoTime");
+        perk.reduceCooldown(ModPerks.DESPERADO, "DesperadoTimePost");
+
+        if (perk.getLevel(ModPerks.FOURTH_TIMES_CHARM) > 0) {
+            var tag = data.perk.getTag(ModPerks.FOURTH_TIMES_CHARM);
+            int count = perk.getTag(ModPerks.FOURTH_TIMES_CHARM).getInt("FourthTimesCharmCount");
 
-        if (PerkHelper.getItemPerkLevel(ModPerks.FOURTH_TIMES_CHARM.get(), tag) > 0) {
-            int count = GunsTool.getPerkIntTag(tag, "FourthTimesCharmCount");
             if (count >= 4) {
-                GunsTool.setPerkIntTag(tag, "FourthTimesCharmTick", 0);
-                GunsTool.setPerkIntTag(tag, "FourthTimesCharmCount", 0);
+                tag.remove("FourthTimesCharmTick");
+                tag.remove("FourthTimesCharmCount");
 
                 int mag = data.magazine();
                 data.setAmmo(Math.min(mag, data.ammo() + 2));
             }
         }
+
+        data.save();
     }
 
     public boolean canApplyPerk(Perk perk) {
         return true;
     }
 
-    private void reducePerkTagCoolDown(final CompoundTag tag, String... tags) {
-        var compound = tag.getCompound("PerkData");
-
-        for (String t : tags) {
-            if (!compound.contains(t)) {
-                continue;
-            }
-
-            if (compound.getInt(t) > 0) {
-                compound.putInt(t, Math.max(0, compound.getInt(t) - 1));
-            }
-        }
-        tag.put("PerkData", compound);
-    }
 
     /**
      * 是否使用弹匣换弹
diff --git a/src/main/java/com/atsuishio/superbwarfare/item/gun/data/GunData.java b/src/main/java/com/atsuishio/superbwarfare/item/gun/data/GunData.java
index edcb21d98..5b99da2b0 100644
--- a/src/main/java/com/atsuishio/superbwarfare/item/gun/data/GunData.java
+++ b/src/main/java/com/atsuishio/superbwarfare/item/gun/data/GunData.java
@@ -3,7 +3,6 @@ package com.atsuishio.superbwarfare.item.gun.data;
 import com.atsuishio.superbwarfare.item.gun.GunItem;
 import com.atsuishio.superbwarfare.perk.AmmoPerk;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.GunsTool;
 import net.minecraft.core.component.DataComponents;
 import net.minecraft.nbt.CompoundTag;
@@ -20,7 +19,7 @@ public class GunData {
     private final GunItem item;
     private final CompoundTag tag;
     private final CompoundTag data;
-    private final CompoundTag perk;
+    private final CompoundTag perkTag;
     private final CompoundTag attachmentTag;
     private final String id;
 
@@ -39,13 +38,14 @@ public class GunData {
         this.tag = customData != null ? customData.copyTag() : new CompoundTag();
 
         data = getOrPut("GunData");
-        perk = getOrPut("PerkData");
+        perkTag = getOrPut("Perks");
         attachmentTag = getOrPut("Attachments");
 
         reload = new Reload(this);
         charge = new Charge(this);
         bolt = new Bolt(this);
         attachment = new Attachment(this);
+        perk = new Perks(this);
     }
 
     private CompoundTag getOrPut(String name) {
@@ -96,7 +96,7 @@ public class GunData {
     }
 
     public CompoundTag perk() {
-        return perk;
+        return perkTag;
     }
 
     public CompoundTag attachment() {
@@ -116,7 +116,7 @@ public class GunData {
     }
 
     public double perkDamageRate() {
-        var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
+        var perk = this.perk.get(Perk.Type.AMMO);
         if (perk instanceof AmmoPerk ammoPerk) {
             return ammoPerk.damageRate;
         }
@@ -302,6 +302,7 @@ public class GunData {
 
     public final Bolt bolt;
     public final Attachment attachment;
+    public final Perks perk;
 
     public void save() {
         stack.set(DataComponents.CUSTOM_DATA, CustomData.of(tag));
diff --git a/src/main/java/com/atsuishio/superbwarfare/item/gun/data/Perks.java b/src/main/java/com/atsuishio/superbwarfare/item/gun/data/Perks.java
new file mode 100644
index 000000000..01ed9203c
--- /dev/null
+++ b/src/main/java/com/atsuishio/superbwarfare/item/gun/data/Perks.java
@@ -0,0 +1,136 @@
+package com.atsuishio.superbwarfare.item.gun.data;
+
+import com.atsuishio.superbwarfare.init.ModPerks;
+import com.atsuishio.superbwarfare.item.PerkItem;
+import com.atsuishio.superbwarfare.perk.Perk;
+import com.atsuishio.superbwarfare.perk.PerkInstance;
+import net.minecraft.nbt.CompoundTag;
+import net.neoforged.neoforge.registries.DeferredHolder;
+
+import javax.annotation.Nullable;
+import java.util.ArrayList;
+
+public final class Perks {
+    private final CompoundTag perks;
+
+    Perks(GunData gun) {
+        this.perks = gun.perk();
+    }
+
+    public boolean has(Perk perk) {
+        if (!has(perk.type)) return false;
+        return getTag(perk).getString("Name").equals(perk.name);
+    }
+
+    public boolean has(Perk.Type type) {
+        return perks.contains(type.getName());
+    }
+
+    public void set(PerkInstance instance) {
+        set(instance.perk(), instance.level());
+    }
+
+    public CompoundTag getTag(DeferredHolder<Perk, Perk> registry) {
+        return getTag(registry.get().type);
+    }
+
+    public CompoundTag getTag(Perk perk) {
+        return getTag(perk.type);
+    }
+
+    public CompoundTag getTag(Perk.Type type) {
+        CompoundTag typeTag;
+        if (!perks.contains(type.getName())) {
+            typeTag = new CompoundTag();
+            perks.put(type.getName(), typeTag);
+        }
+        return perks.getCompound(type.getName());
+    }
+
+    public void set(Perk perk, short level) {
+        getTag(perk).putString("Name", perk.name);
+        getTag(perk).putShort("Level", level);
+    }
+
+    public short getLevel(PerkItem<?> item) {
+        return getLevel(item.getPerk());
+    }
+
+    public short getLevel(DeferredHolder<Perk, Perk> perk) {
+        return getLevel(perk.get());
+    }
+
+    public short getLevel(Perk perk) {
+        var name = perk.name;
+        var tag = getTag(perk);
+        if (!tag.getString("Name").equals(name)) return 0;
+        return getLevel(perk.type);
+    }
+
+    public short getLevel(Perk.Type type) {
+        return getTag(type).getShort("Level");
+    }
+
+    public @Nullable Perk get(DeferredHolder<Perk, Perk> registry) {
+        return get(registry.get());
+    }
+
+    public @Nullable Perk get(Perk perk) {
+        return get(perk.type);
+    }
+
+    public @Nullable Perk get(Perk.Type type) {
+        var perksRegistry = new ArrayList<DeferredHolder<Perk, ? extends Perk>>();
+        perksRegistry.addAll(ModPerks.AMMO_PERKS.getEntries());
+        perksRegistry.addAll(ModPerks.FUNC_PERKS.getEntries());
+        perksRegistry.addAll(ModPerks.DAMAGE_PERKS.getEntries());
+
+        for (var registry : perksRegistry) {
+            var name = getTag(type).getString("Name");
+            if (registry.get().name.equals(name)) {
+                return registry.get();
+            }
+        }
+        return null;
+    }
+
+    public @Nullable PerkInstance getInstance(Perk perk) {
+        return getInstance(perk.type);
+    }
+
+    public @Nullable PerkInstance getInstance(Perk.Type type) {
+        var perk = get(type);
+        if (perk == null) return null;
+
+        return new PerkInstance(perk, getLevel(type));
+    }
+
+    public void reduceCooldown(DeferredHolder<Perk, Perk> registry, String name) {
+        reduceCooldown(registry.get(), name);
+    }
+
+    public void reduceCooldown(Perk perk, String name) {
+        reduceCooldown(perk.type, name);
+    }
+
+    public void reduceCooldown(Perk.Type type, String name) {
+        var tag = getTag(type);
+        var value = tag.getInt(name);
+        value--;
+
+        if (value <= 0) {
+            tag.remove(name);
+        } else {
+            tag.putInt(name, value);
+        }
+    }
+
+    public void remove(Perk perk) {
+        remove(perk.type);
+    }
+
+    public void remove(Perk.Type type) {
+        perks.remove(type.getName());
+    }
+
+}
diff --git a/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/JavelinItem.java b/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/JavelinItem.java
index ff22aabe5..bf7dfe4d5 100644
--- a/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/JavelinItem.java
+++ b/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/JavelinItem.java
@@ -262,9 +262,9 @@ public class JavelinItem extends GunItem implements GeoItem, SpecialFireWeapon {
                     new Vec3(tag.getDouble("TargetPosX"), tag.getDouble("TargetPosY"), tag.getDouble("TargetPosZ"))
             );
 
-            var dmgPerk = PerkHelper.getPerkByType(tag, Perk.Type.DAMAGE);
+            var dmgPerk = data.perk.get(Perk.Type.DAMAGE);
             if (dmgPerk == ModPerks.MONSTER_HUNTER.get()) {
-                int perkLevel = PerkHelper.getItemPerkLevel(dmgPerk, tag);
+                int perkLevel = data.perk.getLevel(dmgPerk);
                 missileEntity.setMonsterMultiplier(0.1f + 0.1f * perkLevel);
             }
 
diff --git a/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/M79Item.java b/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/M79Item.java
index a3ed327ef..639b2e627 100644
--- a/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/M79Item.java
+++ b/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/M79Item.java
@@ -187,16 +187,16 @@ public class M79Item extends GunItem implements GeoItem, SpecialFireWeapon {
                     (float) data.explosionRadius()
             );
 
-            var dmgPerk = PerkHelper.getPerkByType(tag, Perk.Type.DAMAGE);
+            var dmgPerk = data.perk.get(Perk.Type.DAMAGE);
             if (dmgPerk == ModPerks.MONSTER_HUNTER.get()) {
-                int perkLevel = PerkHelper.getItemPerkLevel(dmgPerk, tag);
+                int perkLevel = data.perk.getLevel(dmgPerk);
                 gunGrenadeEntity.setMonsterMultiplier(0.1f + 0.1f * perkLevel);
             }
 
-            gunGrenadeEntity.setNoGravity(PerkHelper.getPerkByType(tag, Perk.Type.AMMO) == ModPerks.MICRO_MISSILE.get());
+            gunGrenadeEntity.setNoGravity(data.perk.get(Perk.Type.AMMO) == ModPerks.MICRO_MISSILE.get());
 
             float velocity = (float) data.velocity();
-            int perkLevel = PerkHelper.getItemPerkLevel(ModPerks.MICRO_MISSILE.get(), data.tag());
+            int perkLevel = data.perk.getLevel(ModPerks.MICRO_MISSILE);
             if (perkLevel > 0) {
                 gunGrenadeEntity.setExplosionRadius((float) data.explosionRadius() * 0.5f);
                 gunGrenadeEntity.setDamage((float) data.explosionDamage() * (1.1f + perkLevel * 0.1f));
diff --git a/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/RpgItem.java b/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/RpgItem.java
index e7c38feb8..0b2f1fda2 100644
--- a/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/RpgItem.java
+++ b/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/RpgItem.java
@@ -201,18 +201,18 @@ public class RpgItem extends GunItem implements GeoItem, SpecialFireWeapon {
                     (float) data.explosionRadius()
             );
 
-            var dmgPerk = PerkHelper.getPerkByType(tag, Perk.Type.DAMAGE);
+            var dmgPerk = data.perk.get(Perk.Type.DAMAGE);
             if (dmgPerk == ModPerks.MONSTER_HUNTER.get()) {
-                int perkLevel = PerkHelper.getItemPerkLevel(dmgPerk, tag);
+                int perkLevel = data.perk.getLevel(dmgPerk);
                 rocket.setMonsterMultiplier(0.1f + 0.1f * perkLevel);
             }
 
             float velocity = (float) data.velocity();
 
-            if (PerkHelper.getPerkByType(tag, Perk.Type.AMMO) == ModPerks.MICRO_MISSILE.get()) {
+            if (data.perk.get(Perk.Type.AMMO) == ModPerks.MICRO_MISSILE.get()) {
                 rocket.setNoGravity(true);
 
-                int perkLevel = PerkHelper.getItemPerkLevel(ModPerks.MICRO_MISSILE.get(), tag);
+                int perkLevel = data.perk.getLevel(ModPerks.MICRO_MISSILE);
                 if (perkLevel > 0) {
                     rocket.setExplosionRadius(0.5f);
                     rocket.setDamage((float) data.damage() * (1.1f + perkLevel * 0.1f));
diff --git a/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/SecondaryCataclysm.java b/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/SecondaryCataclysm.java
index dcd20bc35..16783d066 100644
--- a/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/SecondaryCataclysm.java
+++ b/src/main/java/com/atsuishio/superbwarfare/item/gun/launcher/SecondaryCataclysm.java
@@ -291,17 +291,17 @@ public class SecondaryCataclysm extends GunItem implements GeoItem, SpecialFireW
                     (float) data.explosionRadius()
             );
 
-            var dmgPerk = PerkHelper.getPerkByType(tag, Perk.Type.DAMAGE);
+            var dmgPerk = data.perk.get(Perk.Type.DAMAGE);
             if (dmgPerk == ModPerks.MONSTER_HUNTER.get()) {
-                int perkLevel = PerkHelper.getItemPerkLevel(dmgPerk, tag);
+                int perkLevel = data.perk.getLevel(dmgPerk);
                 gunGrenadeEntity.setMonsterMultiplier(0.1f + 0.1f * perkLevel);
             }
 
-            gunGrenadeEntity.setNoGravity(PerkHelper.getPerkByType(tag, Perk.Type.AMMO) == ModPerks.MICRO_MISSILE.get());
+            gunGrenadeEntity.setNoGravity(data.perk.get(Perk.Type.AMMO) == ModPerks.MICRO_MISSILE.get());
             gunGrenadeEntity.charged(isChargedFire);
 
             float velocity = (float) data.velocity();
-            int perkLevel = PerkHelper.getItemPerkLevel(ModPerks.MICRO_MISSILE.get(), data.tag());
+            int perkLevel = data.perk.getLevel(ModPerks.MICRO_MISSILE);
             if (perkLevel > 0) {
                 gunGrenadeEntity.setExplosionRadius((float) data.explosionRadius() * 0.5f);
                 gunGrenadeEntity.setDamage((float) data.damage() * (1.1f + perkLevel * 0.1f));
diff --git a/src/main/java/com/atsuishio/superbwarfare/item/gun/special/BocekItem.java b/src/main/java/com/atsuishio/superbwarfare/item/gun/special/BocekItem.java
index 7451fe439..ca3d95760 100644
--- a/src/main/java/com/atsuishio/superbwarfare/item/gun/special/BocekItem.java
+++ b/src/main/java/com/atsuishio/superbwarfare/item/gun/special/BocekItem.java
@@ -15,7 +15,6 @@ import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import com.atsuishio.superbwarfare.network.message.receive.ShootClientMessage;
 import com.atsuishio.superbwarfare.perk.AmmoPerk;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.GunsTool;
 import com.atsuishio.superbwarfare.tools.InventoryTool;
 import com.atsuishio.superbwarfare.tools.SoundTool;
@@ -174,7 +173,7 @@ public class BocekItem extends GunItem implements GeoItem, SpecialFireWeapon {
 
         var tag = data.tag();
         var stack = data.stack();
-        var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
+        var perk = data.perk.get(Perk.Type.AMMO);
 
         if (player instanceof ServerPlayer serverPlayer) {
             SoundTool.stopSound(serverPlayer, ModSounds.BOCEK_PULL_1P.getId(), SoundSource.PLAYERS);
diff --git a/src/main/java/com/atsuishio/superbwarfare/item/gun/special/TaserItem.java b/src/main/java/com/atsuishio/superbwarfare/item/gun/special/TaserItem.java
index 5b3458fb6..6461e9434 100644
--- a/src/main/java/com/atsuishio/superbwarfare/item/gun/special/TaserItem.java
+++ b/src/main/java/com/atsuishio/superbwarfare/item/gun/special/TaserItem.java
@@ -16,7 +16,6 @@ import com.atsuishio.superbwarfare.item.gun.SpecialFireWeapon;
 import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import com.atsuishio.superbwarfare.network.message.receive.ShootClientMessage;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.GunsTool;
 import com.atsuishio.superbwarfare.tools.SoundTool;
 import net.minecraft.client.Minecraft;
@@ -154,7 +153,7 @@ public class TaserItem extends GunItem implements GeoItem, SpecialFireWeapon, En
             data.save();
         }
 
-        int perkLevel = PerkHelper.getItemPerkLevel(ModPerks.REGENERATION.get(), tag);
+        int perkLevel = data.perk.getLevel(ModPerks.REGENERATION);
 
         var stackStorage = stack.getCapability(Capabilities.EnergyStorage.ITEM);
         if (stackStorage != null) {
@@ -228,7 +227,7 @@ public class TaserItem extends GunItem implements GeoItem, SpecialFireWeapon, En
         ItemStack stack = data.stack();
         var tag = data.tag();
 
-        int perkLevel = PerkHelper.getItemPerkLevel(ModPerks.VOLT_OVERLOAD.get(), tag);
+        int perkLevel = data.perk.getLevel(ModPerks.VOLT_OVERLOAD);
         var energyStorage = stack.getCapability(Capabilities.EnergyStorage.ITEM);
         var hasEnoughEnergy = energyStorage != null && energyStorage.getEnergyStored() >= 400 + 100 * perkLevel;
 
@@ -244,8 +243,8 @@ public class TaserItem extends GunItem implements GeoItem, SpecialFireWeapon, En
             boolean zoom = cap != null && cap.zoom;
             double spread = data.spread();
 
-            int volt = PerkHelper.getItemPerkLevel(ModPerks.VOLT_OVERLOAD.get(), tag);
-            int wireLength = PerkHelper.getItemPerkLevel(ModPerks.LONGER_WIRE.get(), tag);
+            int volt = data.perk.getLevel(ModPerks.VOLT_OVERLOAD);
+            int wireLength = data.perk.getLevel(ModPerks.LONGER_WIRE);
 
             SoundTool.playLocalSound(serverPlayer, ModSounds.TASER_FIRE_1P.get(), 1, 1);
             serverPlayer.level().playSound(null, serverPlayer.getOnPos(), ModSounds.TASER_FIRE_3P.get(), SoundSource.PLAYERS, 1, 1);
diff --git a/src/main/java/com/atsuishio/superbwarfare/menu/ReforgingTableMenu.java b/src/main/java/com/atsuishio/superbwarfare/menu/ReforgingTableMenu.java
index 6b5bd9251..6810708a3 100644
--- a/src/main/java/com/atsuishio/superbwarfare/menu/ReforgingTableMenu.java
+++ b/src/main/java/com/atsuishio/superbwarfare/menu/ReforgingTableMenu.java
@@ -7,8 +7,7 @@ import com.atsuishio.superbwarfare.item.PerkItem;
 import com.atsuishio.superbwarfare.item.gun.GunItem;
 import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
-import com.atsuishio.superbwarfare.tools.NBTTool;
+import com.atsuishio.superbwarfare.perk.PerkInstance;
 import net.minecraft.util.Mth;
 import net.minecraft.world.Container;
 import net.minecraft.world.SimpleContainer;
@@ -22,6 +21,7 @@ import net.minecraft.world.item.ItemStack;
 import org.jetbrains.annotations.NotNull;
 
 import javax.annotation.Nullable;
+import java.util.List;
 
 public class ReforgingTableMenu extends AbstractContainerMenu {
 
@@ -164,12 +164,12 @@ public class ReforgingTableMenu extends AbstractContainerMenu {
             for (int i = 0; i < this.container.getContainerSize(); ++i) {
                 ItemStack itemstack = this.container.getItem(i);
 
-                if (itemstack.getItem() instanceof PerkItem<?> perkItem) {
-                    final var tag = NBTTool.getTag(copy);
-                    if (!copy.isEmpty() && PerkHelper.getItemPerkLevel(perkItem.getPerk(), tag) > 0) {
-                        continue;
-                    }
-                }
+                if (copy.getItem() instanceof GunItem
+                        && itemstack.getItem() instanceof PerkItem<?> perkItem
+                        && !copy.isEmpty()
+                        && GunData.from(copy).perk.getLevel(perkItem) > 0
+                ) continue;
+
 
                 if (!itemstack.isEmpty()) {
                     pPlayer.getInventory().placeItemBackInInventory(itemstack);
@@ -238,28 +238,24 @@ public class ReforgingTableMenu extends AbstractContainerMenu {
 
         ItemStack result = gun.copy();
         var data = GunData.from(result);
-        final var tag = data.tag();
 
-        if (!ammo.isEmpty() && ammo.getItem() instanceof PerkItem<?> perkItem) {
-            if (gunItem.canApplyPerk(perkItem.getPerk())) {
-                PerkHelper.setPerk(tag, perkItem.getPerk(), this.ammoPerkLevel.get());
-                this.container.setItem(AMMO_PERK_SLOT, ItemStack.EMPTY);
+        List.of(ammo, func, damage).forEach(item -> {
+            if (!item.isEmpty()
+                    && item.getItem() instanceof PerkItem<?> perkItem
+                    && gunItem.canApplyPerk(perkItem.getPerk())
+            ) {
+                data.perk.set(new PerkInstance(perkItem.getPerk(), (short) switch (perkItem.getPerk().type) {
+                    case AMMO -> this.ammoPerkLevel.get();
+                    case FUNCTIONAL -> this.funcPerkLevel.get();
+                    case DAMAGE -> this.damagePerkLevel.get();
+                }));
+                this.container.setItem(switch (perkItem.getPerk().type) {
+                    case AMMO -> AMMO_PERK_SLOT;
+                    case FUNCTIONAL -> FUNC_PERK_SLOT;
+                    case DAMAGE -> DAMAGE_PERK_SLOT;
+                }, ItemStack.EMPTY);
             }
-        }
-
-        if (!func.isEmpty() && func.getItem() instanceof PerkItem<?> perkItem) {
-            if (gunItem.canApplyPerk(perkItem.getPerk())) {
-                PerkHelper.setPerk(tag, perkItem.getPerk(), this.funcPerkLevel.get());
-                this.container.setItem(FUNC_PERK_SLOT, ItemStack.EMPTY);
-            }
-        }
-
-        if (!damage.isEmpty() && damage.getItem() instanceof PerkItem<?> perkItem) {
-            if (gunItem.canApplyPerk(perkItem.getPerk())) {
-                PerkHelper.setPerk(tag, perkItem.getPerk(), this.damagePerkLevel.get());
-                this.container.setItem(DAMAGE_PERK_SLOT, ItemStack.EMPTY);
-            }
-        }
+        });
 
         data.save();
         handleUpgradePoint(result);
@@ -292,22 +288,23 @@ public class ReforgingTableMenu extends AbstractContainerMenu {
                 case DAMAGE -> this.damagePerkLevel.set(0);
             }
 
-            final var tag = NBTTool.getTag(gun);
-            int level = PerkHelper.getItemPerkLevel(perkItem.getPerk(), tag);
-            var data = GunData.from(gun);
+            var inputData = GunData.from(gun);
+            int level = inputData.perk.getLevel(perkItem);
 
             if (level <= 0) {
-                this.upgradePoint.set((int) data.upgradePoint());
+                this.upgradePoint.set((int) inputData.upgradePoint());
                 return;
             }
 
             ItemStack output = gun.copy();
-            final var outputTag = NBTTool.getTag(output);
-            PerkHelper.removePerkByType(outputTag, perkItem.getPerk().type);
-            data.setUpgradePoint(Math.min(MAX_UPGRADE_POINT, level - 1 + data.upgradePoint()));
-            this.upgradePoint.set((int) data.upgradePoint());
+            var outputData = GunData.from(output);
+            outputData.perk.remove(perkItem.getPerk());
 
-            data.save();
+            inputData.setUpgradePoint(Math.min(MAX_UPGRADE_POINT, level - 1 + inputData.upgradePoint()));
+            this.upgradePoint.set((int) inputData.upgradePoint());
+
+            outputData.save();
+            inputData.save();
             this.container.setItem(INPUT_SLOT, output);
             this.container.setChanged();
         }
@@ -338,30 +335,27 @@ public class ReforgingTableMenu extends AbstractContainerMenu {
     private void onPlaceGun(ItemStack stack) {
         if (!(stack.getItem() instanceof GunItem)) return;
         var data = GunData.from(stack);
-        var tag = data.tag();
 
         int point = (int) data.upgradePoint();
         this.upgradePoint.set(Mth.clamp(point, 0, MAX_UPGRADE_POINT));
 
-        var ammoPerk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
-        if (ammoPerk != null) {
-            this.ammoPerkLevel.set(PerkHelper.getItemPerkLevel(ammoPerk, tag));
-            var ammoPerkItem = PerkHelper.getPerkItem(ammoPerk);
-            ammoPerkItem.ifPresent(registryObject -> this.container.setItem(AMMO_PERK_SLOT, registryObject.get().getDefaultInstance()));
-        }
+        for (var type : Perk.Type.values()) {
+            var perkInstance = data.perk.getInstance(type);
+            if (perkInstance != null) {
+                switch (type) {
+                    case AMMO -> this.ammoPerkLevel.set(perkInstance.level());
+                    case FUNCTIONAL -> this.funcPerkLevel.set(perkInstance.level());
+                    case DAMAGE -> this.damagePerkLevel.set(perkInstance.level());
+                }
 
-        var funcPerk = PerkHelper.getPerkByType(tag, Perk.Type.FUNCTIONAL);
-        if (funcPerk != null) {
-            this.funcPerkLevel.set(PerkHelper.getItemPerkLevel(funcPerk, tag));
-            var funcPerkItem = PerkHelper.getPerkItem(funcPerk);
-            funcPerkItem.ifPresent(registryObject -> this.container.setItem(FUNC_PERK_SLOT, registryObject.get().getDefaultInstance()));
-        }
+                var ammoPerkItem = perkInstance.perk().getItem().get();
 
-        var damagePerk = PerkHelper.getPerkByType(tag, Perk.Type.DAMAGE);
-        if (damagePerk != null) {
-            this.damagePerkLevel.set(PerkHelper.getItemPerkLevel(damagePerk, tag));
-            var damagePerkItem = PerkHelper.getPerkItem(damagePerk);
-            damagePerkItem.ifPresent(registryObject -> this.container.setItem(DAMAGE_PERK_SLOT, registryObject.get().getDefaultInstance()));
+                this.container.setItem(switch (type) {
+                    case AMMO -> AMMO_PERK_SLOT;
+                    case FUNCTIONAL -> FUNC_PERK_SLOT;
+                    case DAMAGE -> DAMAGE_PERK_SLOT;
+                }, ammoPerkItem.getDefaultInstance());
+            }
         }
 
         this.container.setChanged();
@@ -374,28 +368,23 @@ public class ReforgingTableMenu extends AbstractContainerMenu {
      * @param stack 输入的枪械
      */
     private void onTakeGun(ItemStack stack) {
-        if (!(stack.getItem() instanceof GunItem)) {
-            return;
-        }
-        final var tag = NBTTool.getTag(stack);
-        var ammoPerk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
-        if (ammoPerk != null) {
-            if (this.container.getItem(AMMO_PERK_SLOT).getItem() instanceof PerkItem<?> perkItem && perkItem.getPerk() == ammoPerk) {
-                this.container.setItem(AMMO_PERK_SLOT, ItemStack.EMPTY);
-            }
-        }
+        if (!(stack.getItem() instanceof GunItem)) return;
 
-        var funcPerk = PerkHelper.getPerkByType(tag, Perk.Type.FUNCTIONAL);
-        if (funcPerk != null) {
-            if (this.container.getItem(FUNC_PERK_SLOT).getItem() instanceof PerkItem<?> perkItem && perkItem.getPerk() == funcPerk) {
-                this.container.setItem(FUNC_PERK_SLOT, ItemStack.EMPTY);
-            }
-        }
+        var data = GunData.from(stack);
 
-        var damagePerk = PerkHelper.getPerkByType(tag, Perk.Type.DAMAGE);
-        if (damagePerk != null) {
-            if (this.container.getItem(DAMAGE_PERK_SLOT).getItem() instanceof PerkItem<?> perkItem && perkItem.getPerk() == damagePerk) {
-                this.container.setItem(DAMAGE_PERK_SLOT, ItemStack.EMPTY);
+        for (var type : Perk.Type.values()) {
+            var perk = data.perk.get(type);
+            var slot = switch (type) {
+                case AMMO -> AMMO_PERK_SLOT;
+                case FUNCTIONAL -> FUNC_PERK_SLOT;
+                case DAMAGE -> DAMAGE_PERK_SLOT;
+            };
+
+            if (perk != null &&
+                    this.container.getItem(slot).getItem() instanceof PerkItem<?> perkItem
+                    && perkItem.getPerk() == perk
+            ) {
+                this.container.setItem(slot, ItemStack.EMPTY);
             }
         }
 
diff --git a/src/main/java/com/atsuishio/superbwarfare/network/message/send/FireMessage.java b/src/main/java/com/atsuishio/superbwarfare/network/message/send/FireMessage.java
index bb81d4023..827424d9e 100644
--- a/src/main/java/com/atsuishio/superbwarfare/network/message/send/FireMessage.java
+++ b/src/main/java/com/atsuishio/superbwarfare/network/message/send/FireMessage.java
@@ -10,7 +10,6 @@ import com.atsuishio.superbwarfare.item.gun.SpecialFireWeapon;
 import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import com.atsuishio.superbwarfare.perk.AmmoPerk;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.GunsTool;
 import io.netty.buffer.ByteBuf;
 import net.minecraft.core.Holder;
@@ -105,8 +104,7 @@ public record FireMessage(int msgType) implements CustomPacketPayload {
         }
     }
 
-    public static double perkSpeed(final CompoundTag tag) {
-        var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
+    public static double perkSpeed(Perk perk) {
         if (perk instanceof AmmoPerk ammoPerk) {
             return ammoPerk.speedRate;
         }
@@ -118,9 +116,9 @@ public record FireMessage(int msgType) implements CustomPacketPayload {
         if (player.level().isClientSide()) return;
         var data = GunData.from(stack);
 
-        var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
+        var perk = data.perk.get(Perk.Type.AMMO);
         float headshot = (float) data.headshot();
-        float velocity = 2 * (float) GunsTool.getGunDoubleTag(tag, "Power", 6) * (float) perkSpeed(tag);
+        float velocity = 2 * (float) GunsTool.getGunDoubleTag(tag, "Power", 6) * (float) perkSpeed(perk);
         float bypassArmorRate = (float) data.bypassArmor();
         double damage;
 
@@ -145,7 +143,7 @@ public record FireMessage(int msgType) implements CustomPacketPayload {
                 .zoom(zoom);
 
         if (perk instanceof AmmoPerk ammoPerk) {
-            int level = PerkHelper.getItemPerkLevel(perk, tag);
+            int level = data.perk.getLevel(perk);
 
             bypassArmorRate += ammoPerk.bypassArmorRate + (perk == ModPerks.AP_BULLET.get() ? 0.05f * (level - 1) : 0);
             projectile.setRGB(ammoPerk.rgb);
@@ -177,24 +175,24 @@ public record FireMessage(int msgType) implements CustomPacketPayload {
         projectile.bypassArmorRate(bypassArmorRate);
 
         if (perk == ModPerks.SILVER_BULLET.get()) {
-            int level = PerkHelper.getItemPerkLevel(perk, tag);
+            int level = data.perk.getLevel(perk);
             projectile.undeadMultiple(1.0f + 0.5f * level);
         } else if (perk == ModPerks.BEAST_BULLET.get()) {
             projectile.beast();
         } else if (perk == ModPerks.JHP_BULLET.get()) {
-            int level = PerkHelper.getItemPerkLevel(perk, tag);
+            int level = data.perk.getLevel(perk);
             projectile.jhpBullet(level);
         } else if (perk == ModPerks.HE_BULLET.get()) {
-            int level = PerkHelper.getItemPerkLevel(perk, tag);
+            int level = data.perk.getLevel(perk);
             projectile.heBullet(level);
         } else if (perk == ModPerks.INCENDIARY_BULLET.get()) {
-            int level = PerkHelper.getItemPerkLevel(perk, tag);
+            int level = data.perk.getLevel(perk);
             projectile.fireBullet(level, !zoom);
         }
 
-        var dmgPerk = PerkHelper.getPerkByType(tag, Perk.Type.DAMAGE);
+        var dmgPerk = data.perk.get(Perk.Type.DAMAGE);
         if (dmgPerk == ModPerks.MONSTER_HUNTER.get()) {
-            int perkLevel = PerkHelper.getItemPerkLevel(dmgPerk, tag);
+            int perkLevel = data.perk.getLevel(dmgPerk);
             projectile.monsterMultiple(0.1f + 0.1f * perkLevel);
         }
 
diff --git a/src/main/java/com/atsuishio/superbwarfare/network/message/send/ShootMessage.java b/src/main/java/com/atsuishio/superbwarfare/network/message/send/ShootMessage.java
index a4a8eb7e7..ff9100902 100644
--- a/src/main/java/com/atsuishio/superbwarfare/network/message/send/ShootMessage.java
+++ b/src/main/java/com/atsuishio/superbwarfare/network/message/send/ShootMessage.java
@@ -10,7 +10,6 @@ import com.atsuishio.superbwarfare.init.ModTags;
 import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import com.atsuishio.superbwarfare.perk.AmmoPerk;
 import com.atsuishio.superbwarfare.perk.Perk;
-import com.atsuishio.superbwarfare.perk.PerkHelper;
 import com.atsuishio.superbwarfare.tools.GunsTool;
 import com.atsuishio.superbwarfare.tools.InventoryTool;
 import com.atsuishio.superbwarfare.tools.ParticleTool;
@@ -88,7 +87,7 @@ public record ShootMessage(double spread) implements CustomPacketPayload {
                     }
                 }
 
-                var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
+                var perk = data.perk.get(Perk.Type.AMMO);
 
                 for (int index0 = 0; index0 < (perk instanceof AmmoPerk ammoPerk && ammoPerk.slug ? 1 : projectileAmount); index0++) {
                     GunEventHandler.gunShoot(player, tag, spared);
@@ -110,7 +109,7 @@ public record ShootMessage(double spread) implements CustomPacketPayload {
                     }
                 }
 
-                var perk = PerkHelper.getPerkByType(tag, Perk.Type.AMMO);
+                var perk = data.perk.get(Perk.Type.AMMO);
                 float pitch = tag.getDouble("heat") <= 40 ? 1 : (float) (1 - 0.025 * Math.abs(40 - tag.getDouble("heat")));
 
                 if (!player.level().isClientSide() && player instanceof ServerPlayer) {
diff --git a/src/main/java/com/atsuishio/superbwarfare/perk/Perk.java b/src/main/java/com/atsuishio/superbwarfare/perk/Perk.java
index 45a70f00c..544cd549d 100644
--- a/src/main/java/com/atsuishio/superbwarfare/perk/Perk.java
+++ b/src/main/java/com/atsuishio/superbwarfare/perk/Perk.java
@@ -1,26 +1,77 @@
 package com.atsuishio.superbwarfare.perk;
 
+import com.atsuishio.superbwarfare.init.ModItems;
+import com.atsuishio.superbwarfare.item.PerkItem;
+import com.atsuishio.superbwarfare.item.gun.data.GunData;
+import net.minecraft.ChatFormatting;
+import net.minecraft.world.item.Item;
+import net.neoforged.neoforge.registries.DeferredHolder;
+
+import java.util.function.BiFunction;
+
 public class Perk {
-    public String descriptionId;
-    public Type type;
+    public final String descriptionId;
+    public final String name;
+    public final Type type;
+    public int level = 1;
+
+    public BiFunction<GunData, PerkInstance, Void> tick;
+    public BiFunction<GunData, PerkInstance, Void> preReload;
+    public BiFunction<GunData, PerkInstance, Void> postReload;
+    public BiFunction<GunData, PerkInstance, Void> onKill;
 
     public Perk(String descriptionId, Type type) {
         this.descriptionId = descriptionId;
         this.type = type;
+
+        StringBuilder builder = new StringBuilder();
+        boolean useUpperCase = false;
+        boolean isFirst = true;
+        for (char c : descriptionId.toCharArray()) {
+            if (isFirst || useUpperCase) {
+                builder.append(Character.toUpperCase(c));
+                isFirst = false;
+                useUpperCase = false;
+            } else if (c == '_') {
+                useUpperCase = true;
+            } else {
+                builder.append(c);
+            }
+        }
+
+        this.name = builder.toString();
+    }
+
+    public DeferredHolder<Item, ? extends Item> getItem() {
+        var result = ModItems.PERKS.getEntries().stream().filter(p -> {
+            if (p.get() instanceof PerkItem<?> perkItem) {
+                return perkItem.getPerk() == this;
+            }
+            return false;
+        }).findFirst();
+        if (result.isEmpty()) throw new IllegalStateException("Perk " + this.name + " not found");
+
+        return result.get();
     }
 
     public enum Type {
-        AMMO("Ammo"),
-        FUNCTIONAL("Functional"),
-        DAMAGE("Damage");
-        private final String type;
+        AMMO("Ammo", ChatFormatting.YELLOW),
+        FUNCTIONAL("Functional", ChatFormatting.GREEN),
+        DAMAGE("Damage", ChatFormatting.RED);
+        private final String name;
+        private final ChatFormatting color;
 
-        Type(String type) {
-            this.type = type;
+        Type(String type, ChatFormatting color) {
+            this.name = type;
+            this.color = color;
         }
 
         public String getName() {
-            return type;
+            return name;
+        }
+
+        public ChatFormatting getColor() {
+            return color;
         }
     }
 }
diff --git a/src/main/java/com/atsuishio/superbwarfare/perk/PerkHelper.java b/src/main/java/com/atsuishio/superbwarfare/perk/PerkHelper.java
index 14bda3d70..5a0b6334b 100644
--- a/src/main/java/com/atsuishio/superbwarfare/perk/PerkHelper.java
+++ b/src/main/java/com/atsuishio/superbwarfare/perk/PerkHelper.java
@@ -1,171 +1,11 @@
 package com.atsuishio.superbwarfare.perk;
 
-import com.atsuishio.superbwarfare.init.ModItems;
 import com.atsuishio.superbwarfare.init.ModPerks;
-import com.atsuishio.superbwarfare.item.PerkItem;
-import com.atsuishio.superbwarfare.item.gun.data.GunData;
-import net.minecraft.nbt.CompoundTag;
-import net.minecraft.resources.ResourceLocation;
-import net.minecraft.util.Mth;
-import net.minecraft.world.item.Item;
-import net.neoforged.neoforge.registries.DeferredHolder;
 
-import javax.annotation.Nullable;
-import java.util.Optional;
 import java.util.function.Predicate;
 
 public class PerkHelper {
 
-    private static final String TAG_PERK_ID = "id";
-    private static final String TAG_PERK_LEVEL = "level";
-    private static final String TAG_PERK = "Perks";
-
-    /**
-     * 把一个Perk封装成nbt进行存储
-     */
-    public static CompoundTag makePerk(@Nullable ResourceLocation pId, int pLevel) {
-        CompoundTag compoundtag = new CompoundTag();
-        compoundtag.putString(TAG_PERK_ID, String.valueOf(pId));
-        compoundtag.putShort(TAG_PERK_LEVEL, (short) pLevel);
-        return compoundtag;
-    }
-
-    public static CompoundTag setPerkLevel(CompoundTag pCompound, int pLevel) {
-        pCompound.putShort(TAG_PERK_LEVEL, (short) pLevel);
-        return pCompound;
-    }
-
-    public static int getPerkLevel(CompoundTag pCompound) {
-        return Mth.clamp(pCompound.getInt(TAG_PERK_LEVEL), 0, 255);
-    }
-
-    @Nullable
-    public static ResourceLocation getPerkId(CompoundTag pCompoundTag) {
-        return ResourceLocation.tryParse(pCompoundTag.getString(TAG_PERK_ID));
-    }
-
-    @Nullable
-    public static ResourceLocation getPerkId(Perk perk) {
-        return switch (perk.type) {
-            case AMMO -> ModPerks.AMMO_PERKS.getEntries().stream()
-                    .filter(p -> p.get().descriptionId.equals(perk.descriptionId))
-                    .findFirst()
-                    .map(p -> ResourceLocation.tryParse(p.value().descriptionId))
-                    .orElse(null);
-            case FUNCTIONAL -> ModPerks.FUNC_PERKS.getEntries().stream()
-                    .filter(p -> p.get().descriptionId.equals(perk.descriptionId))
-                    .findFirst()
-                    .map(p -> ResourceLocation.tryParse(p.value().descriptionId))
-                    .orElse(null);
-            case DAMAGE -> ModPerks.DAMAGE_PERKS.getEntries().stream()
-                    .filter(p -> p.get().descriptionId.equals(perk.descriptionId))
-                    .findFirst()
-                    .map(p -> ResourceLocation.tryParse(p.value().descriptionId))
-                    .orElse(null);
-        };
-    }
-
-    public static int getItemPerkLevel(Perk perk, GunData data) {
-        return getItemPerkLevel(perk, data.tag());
-    }
-
-    public static int getItemPerkLevel(Perk perk, final CompoundTag tag) {
-        var tagPerk = tag.getCompound(TAG_PERK);
-        if (!tagPerk.contains(perk.type.getName())) {
-            return 0;
-        }
-
-        var pt = tagPerk.getCompound(perk.type.getName());
-        ResourceLocation id = getPerkId(perk);
-        if (id == null) {
-            return 0;
-        }
-
-        if (!pt.getString(TAG_PERK_ID).equals(makeId(id))) {
-            return 0;
-        }
-
-        return getPerkLevel(getPerkTag(tag, perk.type));
-    }
-
-    public static CompoundTag getPerkTag(GunData data, Perk.Type type) {
-        return getPerkTag(data.tag(), type);
-    }
-
-    public static CompoundTag getPerkTag(final CompoundTag tag, Perk.Type type) {
-        var tagPerk = tag.getCompound(TAG_PERK);
-        if (!tagPerk.contains(type.getName())) return new CompoundTag();
-        return tagPerk.getCompound(type.getName());
-    }
-
-    public static void setPerk(final CompoundTag tag, Perk perk, int level) {
-        var perkTag = tag.getCompound(TAG_PERK);
-        if (perkTag.isEmpty()) {
-            perkTag = new CompoundTag();
-        }
-
-        perkTag.put(perk.type.getName(), makePerk(getPerkId(perk), level));
-        tag.put(TAG_PERK, perkTag);
-    }
-
-    public static void setPerk(final CompoundTag tag, Perk perk) {
-        setPerk(tag, perk, 1);
-    }
-
-    public static Perk getPerkByType(GunData data, Perk.Type type) {
-        return getPerkByType(data.tag(), type);
-    }
-
-
-    @Nullable
-    public static Perk getPerkByType(final CompoundTag tag, Perk.Type type) {
-        var tagPerk = tag.getCompound(TAG_PERK);
-        if (!tagPerk.contains(type.getName())) {
-            return null;
-        }
-
-        return switch (type) {
-            case AMMO -> ModPerks.AMMO_PERKS.getEntries().stream()
-                    .filter(p -> makeId(p.getId()).equals(tagPerk.getCompound(type.getName()).getString(TAG_PERK_ID)))
-                    .findFirst()
-                    .map(DeferredHolder::value)
-                    .orElse(null);
-            case FUNCTIONAL -> ModPerks.FUNC_PERKS.getEntries().stream()
-                    .filter(p -> makeId(p.getId()).equals(tagPerk.getCompound(type.getName()).getString(TAG_PERK_ID)))
-                    .findFirst()
-                    .map(DeferredHolder::value)
-                    .orElse(null);
-            case DAMAGE -> ModPerks.DAMAGE_PERKS.getEntries().stream()
-                    .filter(p -> makeId(p.getId()).equals(tagPerk.getCompound(type.getName()).getString(TAG_PERK_ID)))
-                    .findFirst()
-                    .map(DeferredHolder::value)
-                    .orElse(null);
-        };
-    }
-
-    public static void removePerkByType(final CompoundTag tag, Perk.Type type) {
-        var tagPerk = tag.getCompound(TAG_PERK);
-        if (!tagPerk.contains(type.getName())) {
-            return;
-        }
-
-        tagPerk.remove(type.getName());
-        tag.put(TAG_PERK, tagPerk);
-    }
-
-    public static Optional<DeferredHolder<Item, ? extends Item>> getPerkItem(Perk perk) {
-        return ModItems.PERKS.getEntries().stream().filter(p -> {
-            if (p.get() instanceof PerkItem<?> perkItem) {
-                return perkItem.getPerk() == perk;
-            }
-            return false;
-        }).findFirst();
-    }
-
-    public static String makeId(ResourceLocation resourceLocation) {
-        return resourceLocation.getNamespace() + ":" + resourceLocation.getPath();
-    }
-
     public static final Predicate<Perk> SHOTGUN_PERKS = perk -> switch (perk.type) {
         case AMMO -> !perk.descriptionId.equals("butterfly_bullet") && perk != ModPerks.MICRO_MISSILE.get()
                 && perk != ModPerks.LONGER_WIRE.get();
diff --git a/src/main/java/com/atsuishio/superbwarfare/perk/PerkInstance.java b/src/main/java/com/atsuishio/superbwarfare/perk/PerkInstance.java
new file mode 100644
index 000000000..e62f4309a
--- /dev/null
+++ b/src/main/java/com/atsuishio/superbwarfare/perk/PerkInstance.java
@@ -0,0 +1,4 @@
+package com.atsuishio.superbwarfare.perk;
+
+public record PerkInstance(Perk perk, short level) {
+}