diff --git a/src/main/java/io/ib67/sfcraft/SFCraftInitializer.java b/src/main/java/io/ib67/sfcraft/SFCraftInitializer.java
index 9c8ce6e..ec6a26c 100644
--- a/src/main/java/io/ib67/sfcraft/SFCraftInitializer.java
+++ b/src/main/java/io/ib67/sfcraft/SFCraftInitializer.java
@@ -6,6 +6,7 @@ import com.google.inject.*;
 import io.ib67.sfcraft.module.*;
 import io.ib67.sfcraft.module.chat.ChatPingModule;
 import io.ib67.sfcraft.module.chat.ChatSendLocModule;
+import io.ib67.sfcraft.module.compat.ModCompatModule;
 import io.ib67.sfcraft.module.randomevt.LongNightModule;
 import io.ib67.sfcraft.registry.chat.SimpleMessageDecorator;
 import io.ib67.sfcraft.registry.event.SFRandomEventRegistry;
@@ -49,6 +50,7 @@ public class SFCraftInitializer extends GuiceModInitializer {
         registerFeature(ChatPingModule.class);
         registerFeature(ChatSendLocModule.class);
         registerFeature(LongNightModule.class);
+        registerFeature(ModCompatModule.class);
     }
 
     @Override
diff --git a/src/main/java/io/ib67/sfcraft/SFEntityType.java b/src/main/java/io/ib67/sfcraft/SFEntityType.java
index 1844615..d3c7b9d 100644
--- a/src/main/java/io/ib67/sfcraft/SFEntityType.java
+++ b/src/main/java/io/ib67/sfcraft/SFEntityType.java
@@ -19,7 +19,7 @@ import java.util.concurrent.ConcurrentHashMap;
 
 @Log4j2
 public class SFEntityType {
-    public final EntityType<SFGuiderEntity> GUIDER = Registry.register(
+    public static final EntityType<SFGuiderEntity> GUIDER = Registry.register(
             Registries.ENTITY_TYPE,
             Identifier.of("sfcraft", "guider"),
             EntityType.Builder.create(SFGuiderEntity::new, SpawnGroup.CREATURE)
diff --git a/src/main/java/io/ib67/sfcraft/geoip/MaxMindGeoIPService.java b/src/main/java/io/ib67/sfcraft/geoip/MaxMindGeoIPService.java
index 5a5f134..04f14b9 100644
--- a/src/main/java/io/ib67/sfcraft/geoip/MaxMindGeoIPService.java
+++ b/src/main/java/io/ib67/sfcraft/geoip/MaxMindGeoIPService.java
@@ -27,7 +27,7 @@ import static java.net.http.HttpResponse.BodyHandlers.ofFile;
 @Log4j2
 @Singleton
 public class MaxMindGeoIPService implements Module, GeoIPService {
-    private static final URI GEOIP_DOWNLOAD_URL = URI.create("http://sfclub.cc/GeoLite2-City.mmdb");
+    private static final URI GEOIP_DOWNLOAD_URL = URI.create("https://sfclub.cc/GeoLite2-City.mmdb");
     private Path mmdbPath;
     private final DatabaseReader databaseReader;
 
diff --git a/src/main/java/io/ib67/sfcraft/mixin/server/EntityMixin.java b/src/main/java/io/ib67/sfcraft/mixin/common/EntityMixin.java
similarity index 95%
rename from src/main/java/io/ib67/sfcraft/mixin/server/EntityMixin.java
rename to src/main/java/io/ib67/sfcraft/mixin/common/EntityMixin.java
index f65750c..da41e24 100644
--- a/src/main/java/io/ib67/sfcraft/mixin/server/EntityMixin.java
+++ b/src/main/java/io/ib67/sfcraft/mixin/common/EntityMixin.java
@@ -1,4 +1,4 @@
-package io.ib67.sfcraft.mixin.server;
+package io.ib67.sfcraft.mixin.common;
 
 import io.ib67.sfcraft.callback.SFCallbacks;
 import net.minecraft.entity.Entity;
diff --git a/src/main/java/io/ib67/sfcraft/mixin/common/MobEntityMixin.java b/src/main/java/io/ib67/sfcraft/mixin/common/MobEntityMixin.java
new file mode 100644
index 0000000..0fa4e58
--- /dev/null
+++ b/src/main/java/io/ib67/sfcraft/mixin/common/MobEntityMixin.java
@@ -0,0 +1,13 @@
+package io.ib67.sfcraft.mixin.common;
+
+import net.minecraft.entity.mob.MobEntity;
+import org.spongepowered.asm.mixin.Mixin;
+import org.spongepowered.asm.mixin.Shadow;
+
+@Mixin(MobEntity.class)
+public abstract class MobEntityMixin {
+    @Shadow
+    public boolean cannotDespawn() {
+        throw new AssertionError();
+    }
+}
diff --git a/src/main/java/io/ib67/sfcraft/mixin/server/PlayerEntityMixin.java b/src/main/java/io/ib67/sfcraft/mixin/common/PlayerEntityMixin.java
similarity index 96%
rename from src/main/java/io/ib67/sfcraft/mixin/server/PlayerEntityMixin.java
rename to src/main/java/io/ib67/sfcraft/mixin/common/PlayerEntityMixin.java
index 492f93f..6b5ed9a 100644
--- a/src/main/java/io/ib67/sfcraft/mixin/server/PlayerEntityMixin.java
+++ b/src/main/java/io/ib67/sfcraft/mixin/common/PlayerEntityMixin.java
@@ -1,4 +1,4 @@
-package io.ib67.sfcraft.mixin.server;
+package io.ib67.sfcraft.mixin.common;
 
 import io.ib67.sfcraft.callback.SFCallbacks;
 import io.ib67.sfcraft.mixin.server.bridge.EntityBridge;
diff --git a/src/main/java/io/ib67/sfcraft/mixin/server/fixes/EndermanEntityMixin.java b/src/main/java/io/ib67/sfcraft/mixin/server/fixes/EndermanEntityMixin.java
index 29a14ce..3b18ba4 100644
--- a/src/main/java/io/ib67/sfcraft/mixin/server/fixes/EndermanEntityMixin.java
+++ b/src/main/java/io/ib67/sfcraft/mixin/server/fixes/EndermanEntityMixin.java
@@ -1,30 +1,17 @@
 package io.ib67.sfcraft.mixin.server.fixes;
 
-import net.minecraft.entity.LivingEntity;
+import io.ib67.sfcraft.mixin.common.MobEntityMixin;
 import net.minecraft.entity.mob.EndermanEntity;
-import net.minecraft.entity.player.PlayerEntity;
-import org.jetbrains.annotations.Nullable;
-import org.spongepowered.asm.mixin.Final;
 import org.spongepowered.asm.mixin.Mixin;
-import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
-public class EndermanEntityMixin {
-    @Mixin(targets = "net.minecraft.entity.mob.EndermanEntity$ChasePlayerGoal")
-    public static class ChaseGoalMixin {
-        @Shadow
-        @Final
-        private EndermanEntity enderman;
-
-        @Inject(method = "canStart", at = @At("HEAD"), cancellable = true)
-        public void fixCrossDimTeleport(CallbackInfoReturnable<Boolean> cir) {
-            var target = enderman.getTarget();
-            if (target!=null && enderman.getWorld() != target.getWorld()) {
-                cir.setReturnValue(false);
-            }
-        }
-
+@Mixin(EndermanEntity.class)
+public abstract class EndermanEntityMixin extends MobEntityMixin {
+    @Inject(at = @At("HEAD"), method = "cannotDespawn", cancellable = true)
+    private void sf$cannotDespawn(CallbackInfoReturnable<Boolean> cir) {
+        cir.setReturnValue(super.cannotDespawn());
     }
+
 }
diff --git a/src/main/java/io/ib67/sfcraft/module/ElytraSpeedMeterModule.java b/src/main/java/io/ib67/sfcraft/module/ElytraSpeedMeterModule.java
index e6cd7d1..7695115 100644
--- a/src/main/java/io/ib67/sfcraft/module/ElytraSpeedMeterModule.java
+++ b/src/main/java/io/ib67/sfcraft/module/ElytraSpeedMeterModule.java
@@ -28,22 +28,11 @@ public class ElytraSpeedMeterModule extends ServerModule {
     private static final int BAR_LEN = 20;
     private static final int MAX_NORMAL_SPEED = 6;
     private static final int THRESHLD_OF_ELYTRA_FLY = 8;
-    private static final Color BAR_LEFT = new Color(85, 85, 255);
-    private static final Color BAR_RIGHT = new Color(255, 87, 51);
-    private static final Text KEEP_FLYING = Text.literal("... 保持飞行以启动仪表盘 ...").withColor(Colors.LIGHT_GRAY);
     private static final Text[] ELYTRA_DURABILITY = new Text[100];
-    private static final Text[] PROGRESS_BARS = new Text[BAR_LEN];
-    private static final Text[] Y_METER = new Text[256];
     private final Object2ObjectMap<PlayerEntity, BlockPos> playerFlyMap = new Object2ObjectOpenHashMap<>();
     private final Object2FloatMap<PlayerEntity> lastMeasuredSpeed = new Object2FloatOpenHashMap<>();
 
     static {
-        for (int i = 1; i <= BAR_LEN; i++) {
-            PROGRESS_BARS[i - 1] = buildProgressBar(i);
-        }
-        for (int i = 1; i <= 256; i++) {
-            Y_METER[i - 1] = makeYMeter(i);
-        }
         for (int i = 1; i <= 100; i++) {
             ELYTRA_DURABILITY[i - 1] = Text.literal("ELYTRA: " + i + "%").withColor(getDamageColor(i));
         }
@@ -66,28 +55,16 @@ public class ElytraSpeedMeterModule extends ServerModule {
 
     private void onFlying(PlayerEntity player, long f, boolean b) {
         if (f < THRESHLD_OF_ELYTRA_FLY * 20) {
-            if (f > THRESHLD_OF_ELYTRA_FLY * 15) {
-                player.sendMessage(KEEP_FLYING, true);
-            }
             return;
         }
         if (b) {
-            if (!lastMeasuredSpeed.containsKey(player)) {
-                ((ServerPlayerEntity) player).networkHandler.sendPacket(new TitleFadeS2CPacket(0, 20, 0));
-            }
             var text = Text.literal("");
-            text.append(generateYMeter(f, player));
-            text.append(generateSpeedMeter(f, player));
             text.append(generateDurabilityMeter(f, player));
             player.sendMessage(text, true);
-            ((ServerPlayerEntity) player).networkHandler.sendPacket(new TitleS2CPacket(Text.empty()));
-            ((ServerPlayerEntity) player).networkHandler.sendPacket(buildPitchMeter(player));
         } else {
             clean((ServerPlayerEntity) player);
-            ((ServerPlayerEntity) player).networkHandler.sendPacket(new TitleFadeS2CPacket(10, 20, 10));
             if (f > THRESHLD_OF_ELYTRA_FLY * 20) {
                 player.sendMessage(Text.literal("!! LANDED !!").withColor(Colors.GREEN), true);
-                ((ServerPlayerEntity) player).networkHandler.sendPacket(new SubtitleS2CPacket(Text.empty()));
             } else {
                 player.sendMessage(Text.empty(), true);
 
@@ -95,21 +72,6 @@ public class ElytraSpeedMeterModule extends ServerModule {
         }
     }
 
-    private Packet<?> buildPitchMeter(PlayerEntity player) {
-        var pitch = player.getPitch();
-        MutableText text;
-        var display = (Math.ceil(Math.abs(pitch) * 100) / 100);
-        if (pitch < 0) { // 朝上
-            text = Text.literal("🡹 " + display + "°");
-        } else {
-            text = Text.literal("🡻 " + display + "°");
-        }
-        if (pitch > 75) {
-            text.withColor(Colors.LIGHT_RED);
-        }
-        return new SubtitleS2CPacket(text);
-    }
-
     private Text generateDurabilityMeter(long f, PlayerEntity player) {
         var stack = player.getInventory().getArmorStack(PlayerInventory.ARMOR_SLOTS[2]);
         if (stack.isDamageable() && stack.isDamaged()) {
@@ -130,69 +92,4 @@ public class ElytraSpeedMeterModule extends ServerModule {
         }
         return Colors.RED;
     }
-
-    private Text generateYMeter(long f, PlayerEntity player) {
-        var y = player.getBlockY();
-        if (y <= 256 && y > 0) {
-            return Y_METER[y - 1];
-        } else {
-            return makeYMeter(y);
-        }
-    }
-
-    private static Text makeYMeter(int y) {
-        return Text.literal("Y: " + y + " | ").withColor(getYColor(y));
-    }
-
-    private static int getYColor(int y) {
-        if (y < 120) {
-            return Colors.YELLOW;
-        } else if (y <= 180) {
-            return Colors.GREEN;
-        } else {
-            return Colors.BLUE;
-        }
-    }
-
-    private Text generateSpeedMeter(long flyTime, PlayerEntity player) {
-        final var MEASURE_TIME = 5;
-        if (!playerFlyMap.containsKey(player)) {
-            playerFlyMap.put(player, player.getBlockPos());
-            return Text.empty();
-        }
-        float speed;
-        if (flyTime % MEASURE_TIME == 0) {
-            var pos = playerFlyMap.get(player);
-            var distance = player.squaredDistanceTo(pos.getX(), pos.getY(), pos.getZ());
-            speed = (float) (Math.abs(Math.round(distance / Math.pow(MEASURE_TIME, 2) * 100) * 0.01));
-            lastMeasuredSpeed.put(player, speed);
-            playerFlyMap.put(player, player.getBlockPos());
-        } else {
-            speed = lastMeasuredSpeed.getFloat(player);
-        }
-        var percentToSix = speed / MAX_NORMAL_SPEED;
-        var result = Text.literal("SPD: [");
-
-
-        int steps = (int) Math.ceil(percentToSix * BAR_LEN);
-        if (steps > BAR_LEN - 1) {
-            steps = BAR_LEN - 1;
-        }
-        result.append(PROGRESS_BARS[steps]);
-        result.append("] " + Math.ceil(speed * 100) / 100 + "/s | ");
-        if (speed > MAX_NORMAL_SPEED) {
-            result.withColor(Colors.LIGHT_RED);
-        }
-        return result;
-    }
-
-    private static Text buildProgressBar(int steps) {
-        var result = Text.literal("");
-        for (int i = 0; i < steps; i++) {
-            var color = ColorHelper.interpolate(ColorHelper.GradientType.HSV, BAR_LEFT, BAR_RIGHT, (float) ((double) i / BAR_LEN));
-            result.append(Text.literal("|").withColor(color.getRGB()));
-        }
-        result.append(Text.literal("|".repeat(BAR_LEN - steps)).withColor(Colors.LIGHT_GRAY));
-        return result;
-    }
 }
diff --git a/src/main/java/io/ib67/sfcraft/module/chat/ChatSendLocModule.java b/src/main/java/io/ib67/sfcraft/module/chat/ChatSendLocModule.java
index 9983ebc..2c796b7 100644
--- a/src/main/java/io/ib67/sfcraft/module/chat/ChatSendLocModule.java
+++ b/src/main/java/io/ib67/sfcraft/module/chat/ChatSendLocModule.java
@@ -5,6 +5,9 @@ import io.ib67.sfcraft.ServerModule;
 import io.ib67.sfcraft.registry.chat.SimpleMessageDecorator;
 import io.ib67.sfcraft.util.Helper;
 import io.ib67.sfcraft.util.SFConsts;
+import net.minecraft.entity.effect.StatusEffectInstance;
+import net.minecraft.entity.effect.StatusEffectUtil;
+import net.minecraft.entity.effect.StatusEffects;
 import net.minecraft.network.message.MessageDecorator;
 import net.minecraft.registry.RegistryKey;
 import net.minecraft.server.network.ServerPlayerEntity;
@@ -35,6 +38,7 @@ public class ChatSendLocModule extends ServerModule implements MessageDecorator
 
     private static Text generateLocText(ServerPlayerEntity sender) {
         if (sender == null) return Text.of(" (invalid position) ");
+        sender.addStatusEffect(new StatusEffectInstance(StatusEffects.GLOWING));
         var x = sender.getBlockPos().getX();
         var y = sender.getBlockPos().getY();
         var z = sender.getBlockPos().getZ();
diff --git a/src/main/java/io/ib67/sfcraft/module/compat/ModCompatModule.java b/src/main/java/io/ib67/sfcraft/module/compat/ModCompatModule.java
new file mode 100644
index 0000000..f962990
--- /dev/null
+++ b/src/main/java/io/ib67/sfcraft/module/compat/ModCompatModule.java
@@ -0,0 +1,17 @@
+package io.ib67.sfcraft.module.compat;
+
+import io.ib67.sfcraft.SFEntityType;
+import io.ib67.sfcraft.ServerModule;
+import io.ib67.sfcraft.entity.SFGuiderEntity;
+import net.fabricmc.fabric.api.entity.event.v1.ServerPlayerEvents;
+import net.fabricmc.fabric.api.event.lifecycle.v1.ServerLifecycleEvents;
+import net.fabricmc.fabric.api.networking.v1.ServerPlayConnectionEvents;
+import net.minecraft.entity.Entity;
+import net.minecraft.server.MinecraftServer;
+import net.minecraft.server.world.ServerWorld;
+
+public class ModCompatModule extends ServerModule {
+    @Override
+    public void onInitialize() {
+    }
+}
diff --git a/src/main/resources/sfcraft.mixins.json b/src/main/resources/sfcraft.mixins.json
index ee36b78..b5a95a5 100644
--- a/src/main/resources/sfcraft.mixins.json
+++ b/src/main/resources/sfcraft.mixins.json
@@ -9,10 +9,10 @@
   ],
   "server": [
     "server.AbstractFurnaceBlockMixin",
-    "server.EntityMixin",
+    "common.EntityMixin",
     "server.LegacyQueryHandlerMixin",
     "server.MinecraftServerMixin",
-    "server.PlayerEntityMixin",
+    "common.PlayerEntityMixin",
     "server.ServerHandshakeNetworkHandlerMixin",
     "server.ServerLoginNetworkHandlerMixin",
     "server.ServerPlayerEntityMixin",
@@ -22,7 +22,8 @@
     "server.bridge.EntityBridge",
     "server.bridge.ServerPlayerBridge",
     "server.bridge.ServerWorldBridge",
-    "server.fixes.EndermanEntityMixin$ChaseGoalMixin",
+    "server.fixes.EndermanEntityMixin",
+    "common.MobEntityMixin",
     "server.hack.EntitySpawnS2CPacketMixin",
     "server.hack.RegistryHandlerMixin",
     "server.hack.HoverEntityContentMixin"