diff --git a/fabric/src/main/java/org/mtr/mapping/registry/RegistryHelper.java b/fabric/src/main/java/org/mtr/mapping/registry/RegistryHelper.java
new file mode 100644
index 0000000..9a6803d
--- /dev/null
+++ b/fabric/src/main/java/org/mtr/mapping/registry/RegistryHelper.java
@@ -0,0 +1,11 @@
+package org.mtr.mapping.registry;
+
+import org.mtr.mapping.holder.Identifier;
+
+// This is a very hacky way but I have no choice.
+public interface RegistryHelper
+{
+    static ItemRegistryObject RegistryObjectBlock2Item(BlockRegistryObject block, Identifier blockIdentifier) {
+        return new ItemRegistryObject(block.get().asItem());
+    }
+}
diff --git a/fabric/src/main/java/ziyue/tjmetro/mod/RegistryClient.java b/fabric/src/main/java/ziyue/tjmetro/mod/RegistryClient.java
index f4702e6..8c763bd 100644
--- a/fabric/src/main/java/ziyue/tjmetro/mod/RegistryClient.java
+++ b/fabric/src/main/java/ziyue/tjmetro/mod/RegistryClient.java
@@ -1,9 +1,6 @@
 package ziyue.tjmetro.mod;
 
-import net.fabricmc.fabric.api.client.rendering.v1.ColorProviderRegistry;
 import org.mtr.mapping.holder.Identifier;
-import org.mtr.mapping.holder.Item;
-import org.mtr.mapping.holder.ItemConvertible;
 import org.mtr.mapping.holder.RenderLayer;
 import org.mtr.mapping.mapper.BlockEntityExtension;
 import org.mtr.mapping.mapper.BlockEntityRenderer;
@@ -31,8 +28,8 @@ public static void registerBlockStationColor(BlockRegistryObject... blocks) {
         REGISTRY_CLIENT.registerBlockColors((state, world, pos, tintIndex) -> InitClient.getStationColor(pos), blocks);
     }
 
-    public static void registerItemCustomColor(int color, Item item) {
-        ColorProviderRegistry.ITEM.register((stack, index) -> color, item.data);
+    public static void registerItemCustomColor(int color, BlockRegistryObject block, String blockIdentifier) {
+        REGISTRY_CLIENT.registerItemColors((stack, index) -> color, RegistryHelper.RegistryObjectBlock2Item(block, new Identifier(Reference.MOD_ID, blockIdentifier)));
     }
 
     public static void registerBlockCustomColor(BlockRegistryObject... blocks) {
diff --git a/fabric/src/main/java/ziyue/tjmetro/mod/TianjinMetroClient.java b/fabric/src/main/java/ziyue/tjmetro/mod/TianjinMetroClient.java
index 3e31fb4..6a8f324 100644
--- a/fabric/src/main/java/ziyue/tjmetro/mod/TianjinMetroClient.java
+++ b/fabric/src/main/java/ziyue/tjmetro/mod/TianjinMetroClient.java
@@ -4,6 +4,7 @@
 import org.mtr.mapping.holder.RenderLayer;
 import org.mtr.mapping.holder.Screen;
 import org.mtr.mapping.mapper.TextHelper;
+import org.mtr.mapping.registry.ItemRegistryObject;
 import org.mtr.mod.render.RenderPSDAPGDoor;
 import ziyue.tjmetro.mod.config.ConfigClient;
 import ziyue.tjmetro.mapping.FilterBuilder;
@@ -101,7 +102,7 @@ public static void init() {
         RegistryClient.registerBlockStationColor(BlockList.STATION_NAME_SIGN_1);
         RegistryClient.registerBlockCustomColor(BlockList.CUSTOM_COLOR_CONCRETE, BlockList.CUSTOM_COLOR_CONCRETE_SLAB, BlockList.CUSTOM_COLOR_CONCRETE_STAIRS);
         RegistryClient.registerBlockCustomColor(BlockList.METAL_POLE_BMT);
-        RegistryClient.registerItemCustomColor(0xfff100, BlockList.METAL_POLE_BMT.get().asItem());
+        RegistryClient.registerItemCustomColor(0xfff100, BlockList.METAL_POLE_BMT, "metal_pole_bmt");
 
         RegistryClient.setupPackets("packet");
 
@@ -109,7 +110,7 @@ public static void init() {
 
         FilterBuilder.setReservedButton(TianjinMetro.CREATIVE_MODE_TAB, TextHelper.translatable("button.tjmetro.tianjin_metro_options"), button ->
                 MinecraftClient.getInstance().openScreen(new Screen(new ConfigClientScreen(MinecraftClient.getInstance().getCurrentScreenMapped()))));
-        
+
         ConfigClient.refreshProperties();
     }
 }
diff --git a/forge/src/main/java/org/mtr/mapping/registry/RegistryHelper.java b/forge/src/main/java/org/mtr/mapping/registry/RegistryHelper.java
new file mode 100644
index 0000000..9dd7fb8
--- /dev/null
+++ b/forge/src/main/java/org/mtr/mapping/registry/RegistryHelper.java
@@ -0,0 +1,11 @@
+package org.mtr.mapping.registry;
+
+import org.mtr.mapping.holder.Identifier;
+
+// This is a very hacky way but I have no choice.
+public interface RegistryHelper
+{
+    static ItemRegistryObject RegistryObjectBlock2Item(BlockRegistryObject block, Identifier blockIdentifier) {
+        return new ItemRegistryObject(blockIdentifier);
+    }
+}