diff --git a/src/main/java/org/auioc/mcmod/arnicalib/game/block/BlockUtils.java b/src/main/java/org/auioc/mcmod/arnicalib/game/block/BlockUtils.java
index 29c75367..7e6b7a93 100644
--- a/src/main/java/org/auioc/mcmod/arnicalib/game/block/BlockUtils.java
+++ b/src/main/java/org/auioc/mcmod/arnicalib/game/block/BlockUtils.java
@@ -2,9 +2,9 @@
 
 import net.minecraft.world.level.block.state.BlockState;
 
-public interface BlockUtils {
+public class BlockUtils {
 
-    static boolean canStandOn(BlockState blockStats) {
+    public static boolean canStandOn(BlockState blockStats) {
         return blockStats.getMaterial().blocksMotion();
     }
 
diff --git a/src/main/java/org/auioc/mcmod/arnicalib/game/chat/TextUtils.java b/src/main/java/org/auioc/mcmod/arnicalib/game/chat/TextUtils.java
index 9fe417c3..302eb71f 100644
--- a/src/main/java/org/auioc/mcmod/arnicalib/game/chat/TextUtils.java
+++ b/src/main/java/org/auioc/mcmod/arnicalib/game/chat/TextUtils.java
@@ -6,28 +6,28 @@
 import net.minecraft.network.chat.TextComponent;
 import net.minecraft.network.chat.TranslatableComponent;
 
-public interface TextUtils {
+public class TextUtils {
 
-    Object[] NO_ARGS = new Object[0];
+    public static final Object[] NO_ARGS = new Object[0];
 
-    static TextComponent empty() {
+    public static TextComponent empty() {
         return new TextComponent("");
     }
 
-    static TextComponent literal(String text) {
+    public static TextComponent literal(String text) {
         return new TextComponent(text);
     }
 
-    static TranslatableComponent translatable(String key) {
+    public static TranslatableComponent translatable(String key) {
         return new TranslatableComponent(key);
     }
 
-    static TranslatableComponent translatable(String key, Object... arguments) {
+    public static TranslatableComponent translatable(String key, Object... arguments) {
         return new TranslatableComponent(key, arguments);
     }
 
 
-    static MutableComponent join(List<Component> texts, Component separator) {
+    public static MutableComponent join(List<Component> texts, Component separator) {
         var r = empty();
         if (texts.isEmpty()) return r;
 
@@ -40,7 +40,7 @@ static MutableComponent join(List<Component> texts, Component separator) {
         return r;
     }
 
-    static MutableComponent join(List<Component> texts) {
+    public static MutableComponent join(List<Component> texts) {
         return join(texts, literal(", "));
     }
 
diff --git a/src/main/java/org/auioc/mcmod/arnicalib/game/command/action/BiCommandAction.java b/src/main/java/org/auioc/mcmod/arnicalib/game/command/action/BiCommandAction.java
index ff719f6a..494c44ee 100644
--- a/src/main/java/org/auioc/mcmod/arnicalib/game/command/action/BiCommandAction.java
+++ b/src/main/java/org/auioc/mcmod/arnicalib/game/command/action/BiCommandAction.java
@@ -6,11 +6,12 @@
 
 public class BiCommandAction {
 
-
     public static interface SingleSuccess<T, U> extends FailableBiConsumer<T, U, CommandSyntaxException> {
+
     }
 
     public static interface MultiSuccess<T, U> extends FailableToIntBiFunction<T, U, CommandSyntaxException> {
+
     }
 
 }
diff --git a/src/main/java/org/auioc/mcmod/arnicalib/game/command/action/CommandAction.java b/src/main/java/org/auioc/mcmod/arnicalib/game/command/action/CommandAction.java
index d31ed947..8e72a9a4 100644
--- a/src/main/java/org/auioc/mcmod/arnicalib/game/command/action/CommandAction.java
+++ b/src/main/java/org/auioc/mcmod/arnicalib/game/command/action/CommandAction.java
@@ -6,11 +6,12 @@
 
 public class CommandAction {
 
-
     public static interface SingleSuccess<T> extends FailableConsumer<T, CommandSyntaxException> {
+
     }
 
     public static interface MultiSuccess<T> extends FailableToIntFunction<T, CommandSyntaxException> {
+
     }
 
 }
diff --git a/src/main/java/org/auioc/mcmod/arnicalib/game/config/ConfigUtils.java b/src/main/java/org/auioc/mcmod/arnicalib/game/config/ConfigUtils.java
index adc4ae46..83712f76 100644
--- a/src/main/java/org/auioc/mcmod/arnicalib/game/config/ConfigUtils.java
+++ b/src/main/java/org/auioc/mcmod/arnicalib/game/config/ConfigUtils.java
@@ -4,26 +4,26 @@
 import java.util.function.Consumer;
 import net.minecraftforge.common.ForgeConfigSpec.Builder;
 
-public interface ConfigUtils {
+public class ConfigUtils {
 
-    static void pushWithoutPop(Builder specBuilder, String path, Consumer<Builder> subBuilder) {
+    public static void pushWithoutPop(Builder specBuilder, String path, Consumer<Builder> subBuilder) {
         specBuilder.push(path);
         subBuilder.accept(specBuilder);
     }
 
-    static void push(Builder specBuilder, String path, Consumer<Builder> subBuilder) {
+    public static void push(Builder specBuilder, String path, Consumer<Builder> subBuilder) {
         specBuilder.push(path);
         subBuilder.accept(specBuilder);
         specBuilder.pop();
     }
 
 
-    static boolean validateListSize(Object obj, int size) {
+    public static boolean validateListSize(Object obj, int size) {
         if (!(obj instanceof List)) return false;
         return (((List<?>) obj).size() == size) ? true : false;
     }
 
-    static boolean validateListElements(Object obj, Class<?> clazz) {
+    public static boolean validateListElements(Object obj, Class<?> clazz) {
         if (!(obj instanceof List)) return false;
 
         for (Object e : (List<?>) obj) {