diff --git a/src/main/java/net/mcreator/superbwarfare/entity/projectile/CannonShellEntity.java b/src/main/java/net/mcreator/superbwarfare/entity/projectile/CannonShellEntity.java
index e1bb190ff..a360f8a36 100644
--- a/src/main/java/net/mcreator/superbwarfare/entity/projectile/CannonShellEntity.java
+++ b/src/main/java/net/mcreator/superbwarfare/entity/projectile/CannonShellEntity.java
@@ -200,7 +200,7 @@ public class CannonShellEntity extends ThrowableItemProjectile implements GeoEnt
         }
 
         CustomExplosion explosion = new CustomExplosion(this.level(), this,
-                ModDamageTypes.causeProjectileBoomDamage(this.level().registryAccess(), this, this.getOwner()), explosionDamage,
+                ModDamageTypes.causeCannonFireDamage(this.level().registryAccess(), this, this.getOwner()), explosionDamage,
                 this.getX(), this.getY(), this.getZ(), explosionRadius, Explosion.BlockInteraction.KEEP).setDamageMultiplier(1).setFireTime(fireTime);
         explosion.explode();
         net.minecraftforge.event.ForgeEventFactory.onExplosionStart(this.level(), explosion);
diff --git a/src/main/java/net/mcreator/superbwarfare/event/LivingEventHandler.java b/src/main/java/net/mcreator/superbwarfare/event/LivingEventHandler.java
index ba234e80f..01fac00df 100644
--- a/src/main/java/net/mcreator/superbwarfare/event/LivingEventHandler.java
+++ b/src/main/java/net/mcreator/superbwarfare/event/LivingEventHandler.java
@@ -34,8 +34,11 @@ import net.minecraftforge.eventbus.api.SubscribeEvent;
 import net.minecraftforge.fml.common.Mod;
 import net.minecraftforge.network.PacketDistributor;
 
+import java.text.DecimalFormat;
+
 @Mod.EventBusSubscriber
 public class LivingEventHandler {
+
     @SubscribeEvent
     public static void onEntityHurt(LivingHurtEvent event) {
         if (event == null || event.getEntity() == null) {
@@ -44,7 +47,9 @@ public class LivingEventHandler {
 
         handleGunPerksWhenHurt(event);
         renderDamageIndicator(event);
-        reduceBulletDamage(event, event.getSource(), event.getEntity(), event.getSource().getEntity(), event.getAmount());
+        reduceBulletDamage(event);
+        giveExpToWeapon(event);
+        handleGunLevels(event);
     }
 
     @SubscribeEvent
@@ -58,21 +63,24 @@ public class LivingEventHandler {
         handlePlayerKillEntity(event);
     }
 
-    private static void reduceBulletDamage(LivingHurtEvent event, DamageSource damageSource, LivingEntity entity, Entity sourceentity, double amount) {
-        if (damageSource == null || entity == null || sourceentity == null) {
-            return;
-        }
+    /**
+     * 计算子弹伤害衰减
+     */
+    private static void reduceBulletDamage(LivingHurtEvent event) {
+        DamageSource source = event.getSource();
+        if (source == null) return;
+        LivingEntity entity = event.getEntity();
+        if (entity == null) return;
+        Entity sourceEntity = source.getEntity();
+        if (sourceEntity == null) return;
 
+        double amount = event.getAmount();
         double damage = amount;
 
-        ItemStack stack = sourceentity instanceof LivingEntity living ? living.getMainHandItem() : ItemStack.EMPTY;
+        ItemStack stack = sourceEntity instanceof LivingEntity living ? living.getMainHandItem() : ItemStack.EMPTY;
 
-        if ((damageSource.is(ModDamageTypes.PROJECTILE_BOOM) || damageSource.is(ModDamageTypes.CANNON_FIRE)) && stack.is(ModTags.Items.LAUNCHER)) {
-            stack.getOrCreateTag().putDouble("damagetotal", stack.getOrCreateTag().getDouble("damagetotal") + damage);
-        }
-
-        if (DamageTypeTool.isGunDamage(damageSource)) {
-            double distance = entity.position().distanceTo(sourceentity.position());
+        if (DamageTypeTool.isGunDamage(source)) {
+            double distance = entity.position().distanceTo(sourceEntity.position());
 
             if (stack.is(ModTags.Items.USE_SHOTGUN_AMMO)) {
                 damage = reduceDamageByDistance(amount, distance, 0.03, 25);
@@ -87,20 +95,19 @@ public class LivingEventHandler {
             }
         }
 
-        if (damageSource.is(ModTags.DamageTypes.PROJECTILE)) {
-            damage = damage * (1 - Mth.clamp(entity.getAttributeValue(ModAttributes.BULLET_RESISTANCE.get()), 0, 1));
+        if (source.is(ModTags.DamageTypes.PROJECTILE)) {
+            damage *= 1 - Mth.clamp(entity.getAttributeValue(ModAttributes.BULLET_RESISTANCE.get()), 0, 1);
         }
 
-        if (damageSource.is(ModTags.DamageTypes.PROJECTILE_ABSOLUTE)) {
-            damage = damage * (1 - 0.2 * Mth.clamp(entity.getAttributeValue(ModAttributes.BULLET_RESISTANCE.get()), 0, 1));
+        if (source.is(ModTags.DamageTypes.PROJECTILE_ABSOLUTE)) {
+            damage *= 1 - 0.2 * Mth.clamp(entity.getAttributeValue(ModAttributes.BULLET_RESISTANCE.get()), 0, 1);
         }
 
         event.setAmount((float) damage);
 
-        stack.getOrCreateTag().putDouble("damagetotal", stack.getOrCreateTag().getDouble("damagetotal") + damage);
-
-        if (entity instanceof TargetEntity && sourceentity instanceof Player player) {
-            player.displayClientMessage(Component.literal("Damage:" + new java.text.DecimalFormat("##.#").format(damage) + " Distance:" + new java.text.DecimalFormat("##.#").format((entity.position()).distanceTo((sourceentity.position()))) + "M"), false);
+        if (entity instanceof TargetEntity && sourceEntity instanceof Player player) {
+            player.displayClientMessage(Component.literal("Damage:" + new DecimalFormat("##.#").format(damage) +
+                    " Distance:" + new DecimalFormat("##.#").format(entity.position().distanceTo(sourceEntity.position())) + "M"), false);
         }
     }
 
@@ -108,6 +115,52 @@ public class LivingEventHandler {
         return amount / (1 + rate * Math.max(0, distance - minDistance));
     }
 
+    /**
+     * 根据造成的伤害，提供武器经验
+     */
+    private static void giveExpToWeapon(LivingHurtEvent event) {
+        DamageSource source = event.getSource();
+        if (source == null) return;
+        Entity sourceEntity = source.getEntity();
+        if (!(sourceEntity instanceof Player player)) return;
+        ItemStack stack = player.getMainHandItem();
+        if (!stack.is(ModTags.Items.GUN)) return;
+
+        double amount = event.getAmount();
+
+        // 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(), stack) > 0) {
+                stack.getOrCreateTag().putDouble("Exp", stack.getOrCreateTag().getDouble("Exp") + amount);
+            }
+        }
+
+        // 再判断是不是枪械能造成的伤害
+        if (!DamageTypeTool.isGunDamage(source)) return;
+
+        stack.getOrCreateTag().putDouble("Exp", stack.getOrCreateTag().getDouble("Exp") + amount);
+    }
+
+    private static void handleGunLevels(LivingHurtEvent event) {
+        DamageSource source = event.getSource();
+        if (source == null) return;
+        Entity sourceEntity = source.getEntity();
+        if (!(sourceEntity instanceof Player player)) return;
+        ItemStack stack = player.getMainHandItem();
+        if (!stack.is(ModTags.Items.GUN)) return;
+
+        var tag = stack.getOrCreateTag();
+        int level = stack.getOrCreateTag().getInt("Level");
+        double exp = stack.getOrCreateTag().getDouble("Exp");
+        double upgradeExpNeeded = 20 / 3.0 * Math.pow(level, 3) + 90 * Math.pow(level, 2) - 290 / 3.0 * level + 20;
+
+        if (exp >= upgradeExpNeeded) {
+            tag.putDouble("Exp", exp - upgradeExpNeeded);
+            tag.putInt("Level", level + 1);
+            tag.putDouble("UpgradePoint", tag.getDouble("UpgradePoint") + 0.25);
+        }
+    }
+
     private static void killIndication(DamageSource source) {
         var sourceEntity = source.getEntity();
         if (sourceEntity == null) {
@@ -318,7 +371,7 @@ public class LivingEventHandler {
             }
         }
 
-        if (DamageTypeTool.isGunHeadshotDamage(source)) {
+        if (DamageTypeTool.isHeadshotDamage(source)) {
             handleHeadSeekerDamage(stack, event);
         }
     }
diff --git a/src/main/java/net/mcreator/superbwarfare/event/PlayerEventHandler.java b/src/main/java/net/mcreator/superbwarfare/event/PlayerEventHandler.java
index 174b15226..e2aee5f95 100644
--- a/src/main/java/net/mcreator/superbwarfare/event/PlayerEventHandler.java
+++ b/src/main/java/net/mcreator/superbwarfare/event/PlayerEventHandler.java
@@ -89,7 +89,6 @@ public class PlayerEventHandler {
             if (stack.is(ModTags.Items.GUN)) {
                 handleWeaponSway(player);
                 handlePlayerSprint(player);
-                handleWeaponLevel(player);
                 handleAmmoCount(player);
                 handleSpecialWeaponAmmo(player);
                 handleChangeFireRate(player);
@@ -278,28 +277,6 @@ public class PlayerEventHandler {
         }
     }
 
-    /**
-     * 处理武器等级
-     */
-    private static void handleWeaponLevel(Player player) {
-        ItemStack stack = player.getMainHandItem();
-        if (stack.is(ModTags.Items.GUN)) {
-            var tag = stack.getOrCreateTag();
-            if (tag.getInt("level") == 0) {
-                tag.putDouble("exp2", 20);
-            } else {
-                tag.putDouble("exp2", (tag.getDouble("exp1") + tag.getInt("level") * 200 * (1 + 0.1 * tag.getInt("level"))));
-            }
-            if (tag.getDouble("damagetotal") >= tag.getDouble("exp2")) {
-                tag.putDouble("exp1", (tag.getDouble("exp2")));
-                tag.putInt("level", tag.getInt("level") + 1);
-                tag.putDouble("UpgradePoint", tag.getDouble("UpgradePoint") + 0.25);
-            }
-            tag.putDouble("damagenow", (tag.getDouble("damagetotal") - tag.getDouble("exp1")));
-            tag.putDouble("damageneed", (tag.getDouble("exp2") - tag.getDouble("exp1")));
-        }
-    }
-
     public static void handleAmmoCount(Player player) {
         ItemStack stack = player.getMainHandItem();
 
diff --git a/src/main/java/net/mcreator/superbwarfare/tools/DamageTypeTool.java b/src/main/java/net/mcreator/superbwarfare/tools/DamageTypeTool.java
index 63e10b71a..c92e21ba8 100644
--- a/src/main/java/net/mcreator/superbwarfare/tools/DamageTypeTool.java
+++ b/src/main/java/net/mcreator/superbwarfare/tools/DamageTypeTool.java
@@ -17,10 +17,6 @@ public class DamageTypeTool {
                 || damageType == ModDamageTypes.GUN_FIRE_ABSOLUTE || damageType == ModDamageTypes.GUN_FIRE_HEADSHOT_ABSOLUTE;
     }
 
-    public static boolean isGunHeadshotDamage(DamageSource source) {
-        return source.is(ModDamageTypes.GUN_FIRE_HEADSHOT) || source.is(ModDamageTypes.GUN_FIRE_HEADSHOT_ABSOLUTE);
-    }
-
     public static boolean isHeadshotDamage(DamageSource source) {
         return source.is(ModDamageTypes.GUN_FIRE_HEADSHOT) || source.is(ModDamageTypes.GUN_FIRE_HEADSHOT_ABSOLUTE);
     }
diff --git a/src/main/java/net/mcreator/superbwarfare/tools/GunsTool.java b/src/main/java/net/mcreator/superbwarfare/tools/GunsTool.java
index b430ca855..002cc6915 100644
--- a/src/main/java/net/mcreator/superbwarfare/tools/GunsTool.java
+++ b/src/main/java/net/mcreator/superbwarfare/tools/GunsTool.java
@@ -66,8 +66,8 @@ public class GunsTool {
 
     public static void pvpModeCheck(ItemStack stack, Level level) {
         if (!ModVariables.MapVariables.get(level).pvpMode) {
-            if (stack.getOrCreateTag().getInt("level") >= 10) {
-                stack.getOrCreateTag().putDouble("levelDamageMultiple", 1 + 0.05 * (stack.getOrCreateTag().getInt("level") - 10));
+            if (stack.getOrCreateTag().getInt("Level") >= 10) {
+                stack.getOrCreateTag().putDouble("levelDamageMultiple", 1 + 0.05 * (stack.getOrCreateTag().getInt("Level") - 10));
             } else {
                 stack.getOrCreateTag().putDouble("levelDamageMultiple", 1);
             }
diff --git a/src/main/java/net/mcreator/superbwarfare/tools/TooltipTool.java b/src/main/java/net/mcreator/superbwarfare/tools/TooltipTool.java
index d0dbe046c..5fc6c9d3d 100644
--- a/src/main/java/net/mcreator/superbwarfare/tools/TooltipTool.java
+++ b/src/main/java/net/mcreator/superbwarfare/tools/TooltipTool.java
@@ -71,8 +71,8 @@ public class TooltipTool {
     }
 
     private static void addLevelTips(List<Component> tooltip, ItemStack stack) {
-        int level = (int) ItemNBTTool.getDouble(stack, "level", 0);
-        double rate = ItemNBTTool.getDouble(stack, "damagenow", 0) / ItemNBTTool.getDouble(stack, "damageneed", 1);
+        int level = ItemNBTTool.getInt(stack, "Level", 0);
+        double rate = ItemNBTTool.getDouble(stack, "Exp", 0) / (20 / 3.0 * Math.pow(level, 3) + 90 * Math.pow(level, 2) - 290 / 3.0 * level + 20);
 
         ChatFormatting formatting;
         if (level < 10) {
@@ -130,7 +130,7 @@ public class TooltipTool {
                     .append(Component.literal(" >> "))
                     .append(Component.literal("").withStyle(ChatFormatting.RESET))
                     .append(Component.translatable("item.superbwarfare." + id).withStyle(ChatFormatting.WHITE))
-                    .append(Component.literal(" Lvl. " + ammoTag.getInt("level")).withStyle(ChatFormatting.WHITE)));
+                    .append(Component.literal(" Lvl. " + ammoTag.getInt("Level")).withStyle(ChatFormatting.WHITE)));
             addHideText(tooltip, Component.translatable("des.superbwarfare." + id).withStyle(ChatFormatting.GRAY));
         }
 
@@ -140,7 +140,7 @@ public class TooltipTool {
                     .append(Component.literal(" >> "))
                     .append(Component.literal("").withStyle(ChatFormatting.RESET))
                     .append(Component.translatable("item.superbwarfare." + id).withStyle(ChatFormatting.WHITE))
-                    .append(Component.literal(" Lvl. " + functionalTag.getInt("level")).withStyle(ChatFormatting.WHITE)));
+                    .append(Component.literal(" Lvl. " + functionalTag.getInt("Level")).withStyle(ChatFormatting.WHITE)));
             addHideText(tooltip, Component.translatable("des.superbwarfare." + id).withStyle(ChatFormatting.GRAY));
         }
 
@@ -150,7 +150,7 @@ public class TooltipTool {
                     .append(Component.literal(" >> "))
                     .append(Component.literal("").withStyle(ChatFormatting.RESET))
                     .append(Component.translatable("item.superbwarfare." + id).withStyle(ChatFormatting.WHITE))
-                    .append(Component.literal(" Lvl. " + damageTag.getInt("level")).withStyle(ChatFormatting.WHITE)));
+                    .append(Component.literal(" Lvl. " + damageTag.getInt("Level")).withStyle(ChatFormatting.WHITE)));
             addHideText(tooltip, Component.translatable("des.superbwarfare." + id).withStyle(ChatFormatting.GRAY));
         }
     }