diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Hpj11Entity.java b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Hpj11Entity.java
index e365417b4..3ed59ca11 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Hpj11Entity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Hpj11Entity.java
@@ -284,7 +284,7 @@ public class Hpj11Entity extends ContainerMobileVehicleEntity implements GeoEnti
                 return;
             }
 
-            Vec3 targetPos = new Vec3(target.getX(), target.getY() + target.getBbHeight() / 2, target.getZ()).add(target.getDeltaMovement().scale(4 + 0.025 * target.distanceTo(this)));
+            Vec3 targetPos = new Vec3(target.getX(), target.getY() + target.getBbHeight() / 2, target.getZ()).add(target.getDeltaMovement().scale((4 + 0.025 * target.distanceTo(this)) * random.nextFloat() * 0.2f + 1));
             Vec3 targetVec = barrelRootPos.vectorTo(targetPos).normalize();
 
             double d0 = targetVec.x;
@@ -299,7 +299,7 @@ public class Hpj11Entity extends ContainerMobileVehicleEntity implements GeoEnti
             turretTurnSound(0, diffY, 1.1f);
             this.setYRot(this.getYRot() + Mth.clamp(0.9f * diffY, -20f, 20f));
 
-            if (target.distanceTo(this) <= 144 && VectorTool.calculateAngle(getViewVector(1), targetVec) < 3) {
+            if (target.distanceTo(this) <= 144 && VectorTool.calculateAngle(getViewVector(1), targetVec) < 10) {
                 if (checkNoClip(target) && entityData.get(AMMO) > 0) {
                     vehicleShoot(player, 0);
 
@@ -383,7 +383,7 @@ public class Hpj11Entity extends ContainerMobileVehicleEntity implements GeoEnti
     public Entity seekThreateningEntity() {
         return StreamSupport.stream(EntityFindUtil.getEntities(level()).getAll().spliterator(), false)
                 .filter(e -> {
-                    if (!e.onGround() && e instanceof Projectile && e.getDeltaMovement().length() < 15 && VectorTool.calculateAngle(e.getDeltaMovement().normalize(), e.position().vectorTo(this.position()).normalize()) < 30) {
+                    if (!e.onGround() && e instanceof Projectile && (e.getBbWidth() >= 0.3 || e.getBbHeight() >= 0.3) && VectorTool.calculateAngle(e.getDeltaMovement().normalize(), e.position().vectorTo(this.position()).normalize()) < 30) {
                         return checkNoClip(e);
                     }
                     return false;
diff --git a/src/main/java/com/atsuishio/superbwarfare/init/ModEntities.java b/src/main/java/com/atsuishio/superbwarfare/init/ModEntities.java
index 525853539..e67418173 100644
--- a/src/main/java/com/atsuishio/superbwarfare/init/ModEntities.java
+++ b/src/main/java/com/atsuishio/superbwarfare/init/ModEntities.java
@@ -49,7 +49,7 @@ public class ModEntities {
     // Projectiles
     public static final DeferredHolder<EntityType<?>, EntityType<TaserBulletEntity>> TASER_BULLET = register("taser_bullet",
             EntityType.Builder.<TaserBulletEntity>of(TaserBulletEntity::new, MobCategory.MISC).noSave().setTrackingRange(64)
-                    .setUpdateInterval(1).sized(0.5f, 0.5f));
+                    .setUpdateInterval(1).sized(0.25f, 0.25f));
 
     // Fast Projectiles
     public static final DeferredHolder<EntityType<?>, EntityType<SmallCannonShellEntity>> SMALL_CANNON_SHELL = register("small_cannon_shell",
@@ -61,7 +61,7 @@ public class ModEntities {
     public static final DeferredHolder<EntityType<?>, EntityType<ProjectileEntity>> PROJECTILE = register("projectile",
             EntityType.Builder.<ProjectileEntity>of(ProjectileEntity::new, MobCategory.MISC).setShouldReceiveVelocityUpdates(false).noSave().setTrackingRange(64).noSave().noSummon().sized(0.25f, 0.25f));
     public static final DeferredHolder<EntityType<?>, EntityType<CannonShellEntity>> CANNON_SHELL = register("cannon_shell",
-            EntityType.Builder.<CannonShellEntity>of(CannonShellEntity::new, MobCategory.MISC).setShouldReceiveVelocityUpdates(false).noSave().setTrackingRange(64).setUpdateInterval(1).sized(0.5f, 0.5f));
+            EntityType.Builder.<CannonShellEntity>of(CannonShellEntity::new, MobCategory.MISC).setShouldReceiveVelocityUpdates(false).noSave().setTrackingRange(64).setUpdateInterval(1).sized(0.75f, 0.75f));
     public static final DeferredHolder<EntityType<?>, EntityType<GunGrenadeEntity>> GUN_GRENADE = register("gun_grenade",
             EntityType.Builder.<GunGrenadeEntity>of(GunGrenadeEntity::new, MobCategory.MISC).setShouldReceiveVelocityUpdates(false).noSave().setTrackingRange(64).setUpdateInterval(1).sized(0.5f, 0.5f));
     public static final DeferredHolder<EntityType<?>, EntityType<MelonBombEntity>> MELON_BOMB = register("melon_bomb",