diff --git a/gradle.properties b/gradle.properties
index 0ef2530..c7be718 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -34,7 +34,7 @@ mod_name=Sign Me Up
 # The license of the mod. Review your options at https://choosealicense.com/. All Rights Reserved is the default.
 mod_license=BSD-3-Clause
 # The mod version. See https://semver.org/
-mod_version=0.6.5
+mod_version=0.6.6
 # The group ID for the mod. It is only important when publishing as an artifact to a Maven repository.
 # This should match the base package used for the mod sources.
 # See https://maven.apache.org/guides/mini/guide-naming-conventions.html
diff --git a/src/main/java/org/teacon/signmeup/gui/map/WayPointsPanel.java b/src/main/java/org/teacon/signmeup/gui/map/WayPointsPanel.java
index c2966e7..65ca99e 100644
--- a/src/main/java/org/teacon/signmeup/gui/map/WayPointsPanel.java
+++ b/src/main/java/org/teacon/signmeup/gui/map/WayPointsPanel.java
@@ -9,9 +9,11 @@
 import cn.ussshenzhou.t88.network.NetworkHelper;
 import com.google.common.collect.BiMap;
 import com.google.common.collect.HashBiMap;
+import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.components.Tooltip;
 import net.minecraft.network.chat.Component;
 import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.level.Level;
 import org.joml.Vector2i;
 import org.teacon.signmeup.SignMeUp;
 import org.teacon.signmeup.config.Waypoints;
@@ -117,7 +119,11 @@ public boolean mouseClicked(double pMouseX, double pMouseY, int pButton) {
                 long time = System.currentTimeMillis();
                 if (time - lastClickedTime <= 200) {
                     lastClickedTime = 0;
-                    NetworkHelper.sendToServer(new TeleportToWayPointPacket(logicWaypoints.inverse().get(this).name));
+                    Minecraft mc = Minecraft.getInstance();
+                    if (mc.level != null && mc.level.dimension() == Level.OVERWORLD) {
+                        NetworkHelper.sendToServer(new TeleportToWayPointPacket(logicWaypoints.inverse().get(this).name));
+                    }
+
                     getTopParentScreenOptional().ifPresent(tScreen -> tScreen.onClose(false));
                     return true;
                 } else {
diff --git a/src/main/java/org/teacon/signmeup/gui/map/bp/WayPointsButtonPanel.java b/src/main/java/org/teacon/signmeup/gui/map/bp/WayPointsButtonPanel.java
index 90c6835..875ce3b 100644
--- a/src/main/java/org/teacon/signmeup/gui/map/bp/WayPointsButtonPanel.java
+++ b/src/main/java/org/teacon/signmeup/gui/map/bp/WayPointsButtonPanel.java
@@ -9,6 +9,7 @@
 import net.minecraft.client.gui.components.Tooltip;
 import net.minecraft.network.chat.Component;
 import net.minecraft.resources.ResourceLocation;
+import net.minecraft.world.level.Level;
 import org.jetbrains.annotations.Nullable;
 import org.teacon.signmeup.SignMeUp;
 import org.teacon.signmeup.config.Waypoints;
@@ -65,7 +66,11 @@ public WayPointsButtonPanel() {
             var button = new THoverSensitiveImageButtonImpl(
                     wayPoint.name,
                     b -> {
-                        NetworkHelper.sendToServer(new TeleportToWayPointPacket(wayPoint.name));
+                        Minecraft mc = Minecraft.getInstance();
+                        if (mc.level != null && mc.level.dimension() == Level.OVERWORLD) {
+                            NetworkHelper.sendToServer(new TeleportToWayPointPacket(wayPoint.name));
+                        }
+
                         getTopParentScreenOptional().ifPresent(tScreen -> tScreen.onClose(false));
                     },
                     SignMeUp.id("textures/gui/button_panel_button.png"),
diff --git a/src/main/java/org/teacon/signmeup/hud/MiniMapPanel.java b/src/main/java/org/teacon/signmeup/hud/MiniMapPanel.java
index a421274..509f666 100644
--- a/src/main/java/org/teacon/signmeup/hud/MiniMapPanel.java
+++ b/src/main/java/org/teacon/signmeup/hud/MiniMapPanel.java
@@ -6,13 +6,12 @@
 import cn.ussshenzhou.t88.gui.widegt.TPanel;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiGraphics;
+import net.minecraft.world.level.Level;
 import org.joml.Quaternionf;
 import org.teacon.signmeup.SignMeUp;
 import org.teacon.signmeup.config.MiniMap;
 import org.teacon.signmeup.gui.map.MapScreen;
 
-import java.util.Set;
-
 import static net.minecraft.util.Mth.PI;
 
 /**
@@ -49,8 +48,10 @@ public MiniMapPanel() {
     public void tickT() {
         super.tickT();
         Minecraft mc = Minecraft.getInstance();
+
         var visible = !mc.getDebugOverlay().showDebugScreen()
                 && !mc.options.hideGui
+                && (mc.level != null && mc.level.dimension() == Level.OVERWORLD)
                 && MiniMapAPI.INSTANCE.visible()
                 && !(mc.screen instanceof MapScreen);
         children.forEach(childTComponent -> childTComponent.setVisibleT(visible));
diff --git a/src/main/java/org/teacon/signmeup/input/ModKeyInput.java b/src/main/java/org/teacon/signmeup/input/ModKeyInput.java
index 7a3c350..4204963 100644
--- a/src/main/java/org/teacon/signmeup/input/ModKeyInput.java
+++ b/src/main/java/org/teacon/signmeup/input/ModKeyInput.java
@@ -3,6 +3,7 @@
 import com.mojang.blaze3d.platform.InputConstants;
 import net.minecraft.client.KeyMapping;
 import net.minecraft.client.Minecraft;
+import net.minecraft.world.level.Level;
 import net.neoforged.api.distmarker.Dist;
 import net.neoforged.bus.api.SubscribeEvent;
 import net.neoforged.fml.common.EventBusSubscriber;
@@ -20,7 +21,8 @@ public class ModKeyInput {
     public static final KeyMapping OPEN_MAP = new KeyMapping(
             "key.sign_up.open_map", KeyConflictContext.IN_GAME, KeyModifier.NONE,
             InputConstants.Type.KEYSYM, GLFW.GLFW_KEY_M, "key.categories.sign_up"
-    );    public static final KeyMapping OPEN_NEW_MAP = new KeyMapping(
+    );
+    public static final KeyMapping OPEN_NEW_MAP = new KeyMapping(
             "key.sign_up.open_new_map", KeyConflictContext.IN_GAME, KeyModifier.NONE,
             InputConstants.Type.KEYSYM, -1, "key.categories.sign_up"
     );
@@ -28,15 +30,18 @@ public class ModKeyInput {
 
     @SubscribeEvent
     public static void onKeyInput(InputEvent.Key event) {
-        MapScreen screen;
-        if (OPEN_NEW_MAP.consumeClick()) {
-            screen = MapScreen.getNewInstance();
-        } else if (OPEN_MAP.consumeClick()) {
-            screen = MapScreen.getInstance();
-        } else {
-            return;
+        Minecraft mc = Minecraft.getInstance();
+        if (mc.level != null && mc.level.dimension() == Level.OVERWORLD) {
+            MapScreen screen;
+            if (OPEN_NEW_MAP.consumeClick()) {
+                screen = MapScreen.getNewInstance();
+            } else if (OPEN_MAP.consumeClick()) {
+                screen = MapScreen.getInstance();
+            } else {
+                return;
+            }
+            mc.setScreen(screen);
+            screen.layout();
         }
-        Minecraft.getInstance().setScreen(screen);
-        screen.layout();
     }
 }