diff --git a/gradle.properties b/gradle.properties
index 39d2400a4..0aa53e4f0 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -16,7 +16,7 @@ mod_id=superbwarfare
 mod_name=Superb Warfare
 mod_license=GNU General Public License v3.0
 mod_description=A Warfare Mod
-mod_version=0.7.0
+mod_version=0.7.1
 mod_authors=Atsuishio, Roki27, Light_Quanta
 # dependencies
 jei_version=19.21.0.247
diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Bmp2Entity.java b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Bmp2Entity.java
index 43778a9d1..a227c2cbd 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Bmp2Entity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Bmp2Entity.java
@@ -199,6 +199,10 @@ public class Bmp2Entity extends ContainerMobileVehicleEntity implements GeoEntit
             this.handleAmmo();
         }
 
+        double fluidFloat;
+        fluidFloat = 0.052 * getSubmergedHeight(this);
+        this.setDeltaMovement(this.getDeltaMovement().add(0.0, fluidFloat, 0.0));
+
         if (this.onGround()) {
             float f0 = 0.54f + 0.25f * Mth.abs(90 - (float) calculateAngle(this.getDeltaMovement(), this.getViewVector(1))) / 90;
             this.setDeltaMovement(this.getDeltaMovement().add(this.getViewVector(1).normalize().scale(0.05 * this.getDeltaMovement().horizontalDistance())));
diff --git a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Yx100Entity.java b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Yx100Entity.java
index 78f2cc500..0d9caa153 100644
--- a/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Yx100Entity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/entity/vehicle/Yx100Entity.java
@@ -244,7 +244,16 @@ public class Yx100Entity extends ContainerMobileVehicleEntity implements GeoEnti
         }
 
         if (this.level() instanceof ServerLevel) {
-            if (reloadCoolDown > 0 && this.entityData.get(AMMO) > 0) {
+            boolean hasCreativeAmmo = false;
+
+            if (this.getFirstPassenger() instanceof Player player) {
+                hasCreativeAmmo = InventoryTool.hasCreativeAmmoBox(player);
+            }
+
+            if (reloadCoolDown > 0 && (
+                    (entityData.get(LOADED_AMMO_TYPE) == 0 && (hasCreativeAmmo || countItem(ModItems.AP_5_INCHES.get()) > 0)) ||
+                    (entityData.get(LOADED_AMMO_TYPE) == 1 && (hasCreativeAmmo || countItem(ModItems.HE_5_INCHES.get()) > 0))
+            )) {
                 reloadCoolDown--;
             }
             this.handleAmmo();
@@ -308,14 +317,18 @@ public class Yx100Entity extends ContainerMobileVehicleEntity implements GeoEnti
                 && (hasCreativeAmmo || hasItem(getWeapon(0).ammo))
         ) {
 
-            if (entityData.get(LOADED_AMMO_TYPE) == 0) {
+            if (entityData.get(LOADED_AMMO_TYPE) == 0 && entityData.get(LOADED_AP) == 0) {
                 this.entityData.set(LOADED_AP, 1);
-            } else if (entityData.get(LOADED_AMMO_TYPE) == 1) {
-                this.entityData.set(LOADED_HE, 1);
+                if (!hasCreativeAmmo) {
+                    consumeItem(ModItems.AP_5_INCHES.get(), 1);
+                }
             }
 
-            if (!hasCreativeAmmo) {
-                consumeItem(getWeapon(0).ammo, 1);
+            if (entityData.get(LOADED_AMMO_TYPE) == 1 && entityData.get(LOADED_HE) == 0) {
+                this.entityData.set(LOADED_HE, 1);
+                if (!hasCreativeAmmo) {
+                    consumeItem(ModItems.HE_5_INCHES.get(), 1);
+                }
             }
         }
     }
@@ -966,14 +979,14 @@ public class Yx100Entity extends ContainerMobileVehicleEntity implements GeoEnti
         if (typeIndex != 2) {
             if (entityData.get(LOADED_AP) > 0 && typeIndex == 1) {
                 if (this.getFirstPassenger() instanceof Player player && !InventoryTool.hasCreativeAmmoBox(player)) {
-                    this.insertItem(getWeapon(0).ammo, 1);
+                    this.insertItem(ModItems.AP_5_INCHES.get(), 1);
                 }
                 entityData.set(LOADED_AP, 0);
             }
 
             if (entityData.get(LOADED_HE) > 0 && typeIndex == 0) {
                 if (this.getFirstPassenger() instanceof Player player && !InventoryTool.hasCreativeAmmoBox(player)) {
-                    this.insertItem(getWeapon(0).ammo, 1);
+                    this.insertItem(ModItems.HE_5_INCHES.get(), 1);
                 }
                 entityData.set(LOADED_HE, 0);
             }