diff --git a/gradle.properties b/gradle.properties
index 04174c4..6f46c40 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -33,7 +33,7 @@ mod_name=3944Realms 's Lib Mod
 # The license of the mod. Review your options at https://choosealicense.com/. All Rights Reserved is the default.
 mod_license=MIT
 # The mod version. See https://semver.org/
-mod_version=0.1.2
+mod_version=0.1.3
 # 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/top/r3944realms/lib39/core/event/ClientEventHandler.java b/src/main/java/top/r3944realms/lib39/core/event/ClientEventHandler.java
index 30172f9..91741ba 100644
--- a/src/main/java/top/r3944realms/lib39/core/event/ClientEventHandler.java
+++ b/src/main/java/top/r3944realms/lib39/core/event/ClientEventHandler.java
@@ -61,12 +61,23 @@ public class ClientEventHandler {
      */
     @net.minecraftforge.fml.common.Mod.EventBusSubscriber(value = Dist.CLIENT, bus = net.minecraftforge.fml.common.Mod.EventBusSubscriber.Bus.FORGE, modid = Lib39.MOD_ID)
     public static class Game extends ClientEventHandler {
+        /**
+         * Register layer definitions.
+         *
+         * @param event the event
+         */
         @SubscribeEvent
         public static void registerLayerDefinitions(LevelEvent.Load event) {
            if (event.getLevel() != null && event.getLevel() instanceof ClientLevel level) {
                ILevelHelper.LevelHelper.CLIENT.setLevel(level);
            }
         }
+
+        /**
+         * Register layer definitions.
+         *
+         * @param event the event
+         */
         @SubscribeEvent
         public static void registerLayerDefinitions(LevelEvent.Unload event) {
             if (event.getLevel() != null && event.getLevel() instanceof ClientLevel level) {
diff --git a/src/main/java/top/r3944realms/lib39/core/event/CommonEventHandler.java b/src/main/java/top/r3944realms/lib39/core/event/CommonEventHandler.java
index 695b221..1589d77 100644
--- a/src/main/java/top/r3944realms/lib39/core/event/CommonEventHandler.java
+++ b/src/main/java/top/r3944realms/lib39/core/event/CommonEventHandler.java
@@ -80,6 +80,7 @@ public class CommonEventHandler {
         public static SyncData2Manager getSyncData2Manager() {
             return syncData2Manager;
         }
+
         /**
          * On world load.
          *
diff --git a/src/main/java/top/r3944realms/lib39/core/event/ServerEventHandler.java b/src/main/java/top/r3944realms/lib39/core/event/ServerEventHandler.java
index 97453f1..f68738f 100644
--- a/src/main/java/top/r3944realms/lib39/core/event/ServerEventHandler.java
+++ b/src/main/java/top/r3944realms/lib39/core/event/ServerEventHandler.java
@@ -21,12 +21,23 @@ public class ServerEventHandler {
      */
     @net.minecraftforge.fml.common.Mod.EventBusSubscriber(value = Dist.DEDICATED_SERVER, bus = net.minecraftforge.fml.common.Mod.EventBusSubscriber.Bus.MOD, modid = Lib39.MOD_ID)
     public static class Game extends ServerEventHandler {
+        /**
+         * Register layer definitions.
+         *
+         * @param event the event
+         */
         @SubscribeEvent
         public static void registerLayerDefinitions(LevelEvent.Load event) {
             if (event.getLevel() != null && event.getLevel() instanceof ClientLevel level) {
                 ILevelHelper.LevelHelper.CLIENT.setLevel(level);
             }
         }
+
+        /**
+         * Register layer definitions.
+         *
+         * @param event the event
+         */
         @SubscribeEvent
         public static void registerLayerDefinitions(LevelEvent.Unload event) {
             if (event.getLevel() != null && event.getLevel() instanceof ClientLevel level) {
diff --git a/src/main/java/top/r3944realms/lib39/util/ILevelHelper.java b/src/main/java/top/r3944realms/lib39/util/ILevelHelper.java
index b8ad22f..0da329f 100644
--- a/src/main/java/top/r3944realms/lib39/util/ILevelHelper.java
+++ b/src/main/java/top/r3944realms/lib39/util/ILevelHelper.java
@@ -5,28 +5,67 @@ import net.minecraft.world.level.LevelAccessor;
 import org.jetbrains.annotations.ApiStatus;
 import org.jetbrains.annotations.Nullable;
 
+/**
+ * The interface Level helper.
+ */
 public interface ILevelHelper {
+    /**
+     * Gets level.
+     *
+     * @return the level
+     */
     Level getLevel();
+
+    /**
+     * The enum Level helper.
+     */
     enum LevelHelper implements ILevelHelper {
+        /**
+         * Server level helper.
+         */
         SERVER,
+        /**
+         * Client level helper.
+         */
         CLIENT;
+        /**
+         * The Level.
+         */
         Level level;
         @Override
         @Nullable
         public Level getLevel() {
             return level;
         }
+
+        /**
+         * Sets level.
+         *
+         * @param level the level
+         */
         @ApiStatus.Internal
         public void setLevel(Level level) {
             this.level = level;
         }
     }
+
+    /**
+     * Gets server level.
+     *
+     * @return the server level
+     */
     @Nullable
-    default Level getServerLevel() {
-        return LevelHelper.SERVER.getServerLevel();
+    static Level getServerLevel() {
+        return LevelHelper.SERVER.getLevel();
     }
+
+    /**
+     * Gets client level.
+     *
+     * @return the client level
+     */
     @Nullable
-    default Level getClientLevel() {
-        return LevelHelper.CLIENT.getClientLevel();
+    static Level getClientLevel() {
+        return LevelHelper.CLIENT.getLevel();
     }
 }