diff --git a/src/main/java/com/atsuishio/superbwarfare/ModUtils.java b/src/main/java/com/atsuishio/superbwarfare/ModUtils.java
index a74e30abc..a4f488b70 100644
--- a/src/main/java/com/atsuishio/superbwarfare/ModUtils.java
+++ b/src/main/java/com/atsuishio/superbwarfare/ModUtils.java
@@ -175,6 +175,7 @@ public class ModUtils {
         addNetworkMessage(MeleeAttackMessage.class, MeleeAttackMessage::encode, MeleeAttackMessage::decode, MeleeAttackMessage::handler);
         addNetworkMessage(ResetCameraTypeMessage.class, ResetCameraTypeMessage::encode, ResetCameraTypeMessage::decode, ResetCameraTypeMessage::handler, Optional.of(NetworkDirection.PLAY_TO_CLIENT));
         addNetworkMessage(SwitchVehicleWeaponMessage.class, SwitchVehicleWeaponMessage::encode, SwitchVehicleWeaponMessage::decode, SwitchVehicleWeaponMessage::handler);
+        addNetworkMessage(RadarSetTargetMessage.class, RadarSetTargetMessage::encode, RadarSetTargetMessage::decode, RadarSetTargetMessage::handler);
 
         event.enqueueWork(() -> BrewingRecipeRegistry.addRecipe(Ingredient.of(PotionUtils.setPotion(new ItemStack(Items.POTION), Potions.WATER)),
                 Ingredient.of(Items.LIGHTNING_ROD), PotionUtils.setPotion(new ItemStack(Items.POTION), ModPotion.SHOCK.get())));
diff --git a/src/main/java/com/atsuishio/superbwarfare/block/entity/FuMO25BlockEntity.java b/src/main/java/com/atsuishio/superbwarfare/block/entity/FuMO25BlockEntity.java
index 3d9ed1683..6a5afff4f 100644
--- a/src/main/java/com/atsuishio/superbwarfare/block/entity/FuMO25BlockEntity.java
+++ b/src/main/java/com/atsuishio/superbwarfare/block/entity/FuMO25BlockEntity.java
@@ -38,6 +38,7 @@ import software.bernie.geckolib.util.GeckoLibUtil;
 import java.util.List;
 
 public class FuMO25BlockEntity extends BlockEntity implements MenuProvider, GeoBlockEntity {
+
     private final AnimatableInstanceCache cache = GeckoLibUtil.createInstanceCache(this);
 
     public static final int MAX_ENERGY = 1000000;
@@ -230,7 +231,6 @@ public class FuMO25BlockEntity extends BlockEntity implements MenuProvider, GeoB
 
     @Override
     public void registerControllers(AnimatableManager.ControllerRegistrar controllerRegistrar) {
-
     }
 
     @Override
@@ -244,6 +244,4 @@ public class FuMO25BlockEntity extends BlockEntity implements MenuProvider, GeoB
         GLOW,
         GUIDE
     }
-
-
 }
diff --git a/src/main/java/com/atsuishio/superbwarfare/client/screens/FuMO25Screen.java b/src/main/java/com/atsuishio/superbwarfare/client/screens/FuMO25Screen.java
index 2ca23032a..7a66260f9 100644
--- a/src/main/java/com/atsuishio/superbwarfare/client/screens/FuMO25Screen.java
+++ b/src/main/java/com/atsuishio/superbwarfare/client/screens/FuMO25Screen.java
@@ -8,6 +8,7 @@ import com.atsuishio.superbwarfare.menu.FuMO25Menu;
 import com.atsuishio.superbwarfare.network.message.RadarChangeModeMessage;
 import com.atsuishio.superbwarfare.network.message.RadarSetParametersMessage;
 import com.atsuishio.superbwarfare.network.message.RadarSetPosMessage;
+import com.atsuishio.superbwarfare.network.message.RadarSetTargetMessage;
 import com.atsuishio.superbwarfare.tools.FormatTool;
 import com.mojang.blaze3d.platform.GlStateManager;
 import com.mojang.blaze3d.systems.RenderSystem;
@@ -277,7 +278,7 @@ public class FuMO25Screen extends AbstractContainerScreen<FuMO25Menu> {
     }
 
     @OnlyIn(Dist.CLIENT)
-    static class LockButton extends AbstractButton {
+    class LockButton extends AbstractButton {
 
         public LockButton(int pX, int pY) {
             super(pX, pY, 29, 15, Component.literal(""));
@@ -285,12 +286,20 @@ public class FuMO25Screen extends AbstractContainerScreen<FuMO25Menu> {
 
         @Override
         public void onPress() {
-            ModUtils.PACKET_HANDLER.sendToServer(new RadarSetParametersMessage((byte) 0));
+            if (FuMO25Screen.this.menu.getFuncType() == 3 && FuMO25Screen.this.menu.getSlot(0).getItem().isEmpty()) {
+                ModUtils.PACKET_HANDLER.sendToServer(new RadarSetTargetMessage((byte) 0));
+            } else {
+                ModUtils.PACKET_HANDLER.sendToServer(new RadarSetParametersMessage((byte) 0));
+            }
         }
 
         @Override
         protected void renderWidget(GuiGraphics pGuiGraphics, int pMouseX, int pMouseY, float pPartialTick) {
-            pGuiGraphics.blit(TEXTURE, this.getX(), this.getY(), 148, this.isHovered() ? 183 : 167, 29, 15, 358, 328);
+            if (FuMO25Screen.this.menu.getFuncType() == 3 && FuMO25Screen.this.menu.getSlot(0).getItem().isEmpty()) {
+                pGuiGraphics.blit(TEXTURE, this.getX(), this.getY(), 148, this.isHovered() ? 311 : 295, 29, 15, 358, 328);
+            } else {
+                pGuiGraphics.blit(TEXTURE, this.getX(), this.getY(), 148, this.isHovered() ? 183 : 167, 29, 15, 358, 328);
+            }
         }
 
         @Override
diff --git a/src/main/java/com/atsuishio/superbwarfare/menu/FuMO25Menu.java b/src/main/java/com/atsuishio/superbwarfare/menu/FuMO25Menu.java
index 7641f5808..6dd8b62e6 100644
--- a/src/main/java/com/atsuishio/superbwarfare/menu/FuMO25Menu.java
+++ b/src/main/java/com/atsuishio/superbwarfare/menu/FuMO25Menu.java
@@ -96,6 +96,10 @@ public class FuMO25Menu extends EnergyMenu {
         }
     }
 
+    public void setTargetToLaserTower() {
+
+    }
+
     @Nullable
     public BlockPos getCurrentPos() {
         if (this.posX != Integer.MIN_VALUE && this.posY != Integer.MIN_VALUE && this.posZ != Integer.MIN_VALUE) {
diff --git a/src/main/java/com/atsuishio/superbwarfare/network/message/RadarSetTargetMessage.java b/src/main/java/com/atsuishio/superbwarfare/network/message/RadarSetTargetMessage.java
new file mode 100644
index 000000000..dc9c83c2e
--- /dev/null
+++ b/src/main/java/com/atsuishio/superbwarfare/network/message/RadarSetTargetMessage.java
@@ -0,0 +1,42 @@
+package com.atsuishio.superbwarfare.network.message;
+
+import com.atsuishio.superbwarfare.menu.FuMO25Menu;
+import net.minecraft.network.FriendlyByteBuf;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.inventory.AbstractContainerMenu;
+import net.minecraftforge.network.NetworkEvent;
+
+import java.util.function.Supplier;
+
+public class RadarSetTargetMessage {
+
+    private final byte mode;
+
+    public RadarSetTargetMessage(byte mode) {
+        this.mode = mode;
+    }
+
+    public static void encode(RadarSetTargetMessage message, FriendlyByteBuf buffer) {
+        buffer.writeByte(message.mode);
+    }
+
+    public static RadarSetTargetMessage decode(FriendlyByteBuf buffer) {
+        return new RadarSetTargetMessage(buffer.readByte());
+    }
+
+    public static void handler(RadarSetTargetMessage message, Supplier<NetworkEvent.Context> ctx) {
+        ctx.get().enqueueWork(() -> {
+            ServerPlayer player = ctx.get().getSender();
+            if (player == null) return;
+
+            AbstractContainerMenu menu = player.containerMenu;
+            if (menu instanceof FuMO25Menu fuMO25Menu) {
+                if (!player.containerMenu.stillValid(player)) {
+                    return;
+                }
+                System.out.println(123);
+            }
+        });
+        ctx.get().setPacketHandled(true);
+    }
+}