diff --git a/fabric/src/main/java/ziyue/tjmetro/mod/Reference.java b/fabric/src/main/java/ziyue/tjmetro/mod/Reference.java
index 1e68e98..1e00624 100644
--- a/fabric/src/main/java/ziyue/tjmetro/mod/Reference.java
+++ b/fabric/src/main/java/ziyue/tjmetro/mod/Reference.java
@@ -1,7 +1,7 @@
 package ziyue.tjmetro.mod;
 
 /**
- * References for <b>Tianjin Metro Mod</b>.
+ * References for Tianjin Metro Mod.
  *
  * @since 1.0.0-beta-1
  */
diff --git a/fabric/src/main/java/ziyue/tjmetro/mod/block/BlockHighSpeedRepeater.java b/fabric/src/main/java/ziyue/tjmetro/mod/block/BlockHighSpeedRepeater.java
index d7f01ee..be085bb 100644
--- a/fabric/src/main/java/ziyue/tjmetro/mod/block/BlockHighSpeedRepeater.java
+++ b/fabric/src/main/java/ziyue/tjmetro/mod/block/BlockHighSpeedRepeater.java
@@ -11,6 +11,7 @@
 import java.util.List;
 
 // Screw this.
+@Deprecated
 public class BlockHighSpeedRepeater extends BlockExtension implements DirectionHelper
 {
     public static final BooleanProperty LOCKED = BooleanProperty.of("locked");
diff --git a/fabric/src/main/java/ziyue/tjmetro/mod/block/BlockRailwaySignTianjinBMT.java b/fabric/src/main/java/ziyue/tjmetro/mod/block/BlockRailwaySignTianjinBMT.java
index 3c2b5ec..fa72d78 100644
--- a/fabric/src/main/java/ziyue/tjmetro/mod/block/BlockRailwaySignTianjinBMT.java
+++ b/fabric/src/main/java/ziyue/tjmetro/mod/block/BlockRailwaySignTianjinBMT.java
@@ -15,7 +15,7 @@
 public class BlockRailwaySignTianjinBMT extends BlockRailwaySignBase
 {
     public BlockRailwaySignTianjinBMT(int length, boolean isOdd) {
-        super(BlockHelper.createBlockSettings(false, state -> 0),length, isOdd);
+        super(BlockHelper.createBlockSettings(false, state -> 0), length, isOdd);
     }
 
     @Nonnull
@@ -41,7 +41,6 @@ public VoxelShape getOutlineShape2(BlockState state, BlockView world, BlockPos p
             final VoxelShape pole = IBlock.getVoxelShapeByDirection(xStart - 2, 0, 7, xStart - 0.75, 16, 9, facing);
             return VoxelShapes.union(main, pole);
         }
-
     }
 
     @Nonnull
diff --git a/fabric/src/main/java/ziyue/tjmetro/mod/render/RenderAPGGlassTianjinBMT.java b/fabric/src/main/java/ziyue/tjmetro/mod/render/RenderAPGGlassTianjinBMT.java
index a047426..e141af8 100644
--- a/fabric/src/main/java/ziyue/tjmetro/mod/render/RenderAPGGlassTianjinBMT.java
+++ b/fabric/src/main/java/ziyue/tjmetro/mod/render/RenderAPGGlassTianjinBMT.java
@@ -22,7 +22,7 @@ public class RenderAPGGlassTianjinBMT extends RenderRouteBase<BlockAPGGlassTianj
     public static final float COLOR_STRIP_END = 15.5F / 16F;
 
     public RenderAPGGlassTianjinBMT(Argument dispatcher) {
-        super(dispatcher, 4, 8F, 1F, 8, false, 2, BlockAPGGlass.ARROW_DIRECTION);
+        super(dispatcher, 4, 8F, 1F, 8, false, 2, BlockAPGGlassTianjinBMT.ARROW_DIRECTION);
     }
 
     @Override