diff --git a/core/src/main/java/net/momirealms/craftengine/core/entity/furniture/Furniture.java b/core/src/main/java/net/momirealms/craftengine/core/entity/furniture/Furniture.java
index d90d8de79..06df59f84 100644
--- a/core/src/main/java/net/momirealms/craftengine/core/entity/furniture/Furniture.java
+++ b/core/src/main/java/net/momirealms/craftengine/core/entity/furniture/Furniture.java
@@ -38,6 +38,7 @@ public abstract class Furniture implements Cullable {
     public final CustomFurniture config;
     public final FurnitureDataAccessor dataAccessor;
     public final Entity metaDataEntity;
+    public final int metaDataEntityId;
 
     protected CullingData cullingData;
     protected FurnitureVariant currentVariant;
@@ -54,6 +55,7 @@ public abstract class Furniture implements Cullable {
         this.config = config;
         this.dataAccessor = data;
         this.metaDataEntity = metaDataEntity;
+        this.metaDataEntityId = metaDataEntity.entityId();
         this.setVariantInternal(config.getVariant(data));
     }
 
@@ -282,11 +284,11 @@ public abstract class Furniture implements Cullable {
     }
 
     public int entityId() {
-        return this.metaDataEntity.entityId();
+        return this.metaDataEntityId;
     }
 
     public boolean hasExternalModel() {
-        return hasExternalModel;
+        return this.hasExternalModel;
     }
 
     public Vec3d getRelativePosition(Vector3f position) {
diff --git a/gradle.properties b/gradle.properties
index cb1959f55..396afb318 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -3,7 +3,7 @@ org.gradle.jvmargs=-Xmx4G
 # Project settings
 project_version=0.0.66.4
 config_version=62
-lang_version=44
+lang_version=45
 project_group=net.momirealms
 latest_supported_version=1.21.11