diff --git a/fabric/src/main/java/ziyue/tjmetro/mod/client/DynamicTextureCache.java b/fabric/src/main/java/ziyue/tjmetro/mod/client/DynamicTextureCache.java
index 3d4f0f1..9e623fa 100644
--- a/fabric/src/main/java/ziyue/tjmetro/mod/client/DynamicTextureCache.java
+++ b/fabric/src/main/java/ziyue/tjmetro/mod/client/DynamicTextureCache.java
@@ -349,6 +349,10 @@ public int height() {
         public int renderWidth() {
             return renderWidth;
         }
+
+        public static Text empty() {
+            return new Text(null, 0, 0, 0);
+        }
     }
 
     /**
diff --git a/fabric/src/main/java/ziyue/tjmetro/mod/client/RouteMapGenerator.java b/fabric/src/main/java/ziyue/tjmetro/mod/client/RouteMapGenerator.java
index 3df9cec..a099054 100644
--- a/fabric/src/main/java/ziyue/tjmetro/mod/client/RouteMapGenerator.java
+++ b/fabric/src/main/java/ziyue/tjmetro/mod/client/RouteMapGenerator.java
@@ -168,8 +168,8 @@ public static NativeImage generateStationName(long platformId, boolean isAPG, Ho
             final int leftSize = ((leftToRight ? 1 : 0)) * (tileSize + tilePadding);
             final int rightSize = ((leftToRight ? 0 : 1)) * (tileSize + tilePadding);
 
-            final DynamicTextureCache.Text destination = DynamicTextureCache.instance.getText(getStationName(platformId), isAPG ? width - padding : width - leftSize - rightSize - padding, (int) (tileSize * LINE_HEIGHT_MULTIPLIER), tileSize * 3, tileSize * 3 / 2, tilePadding, HorizontalAlignment.CENTER);
-            drawString(nativeImage, destination, width / 2, height / 2, HorizontalAlignment.CENTER, VerticalAlignment.CENTER, backgroundColor, textColor, false);
+            final DynamicTextureCache.Text stationName = DynamicTextureCache.instance.getText(getStationName(platformId), isAPG ? width - padding : width - leftSize - rightSize - padding, (int) (tileSize * LINE_HEIGHT_MULTIPLIER), tileSize * 3, tileSize * 3 / 2, tilePadding, HorizontalAlignment.CENTER);
+            drawString(nativeImage, stationName, width / 2, height / 2, HorizontalAlignment.CENTER, VerticalAlignment.CENTER, backgroundColor, textColor, false);
 
             if (transparentColor != 0) {
                 clearColor(nativeImage, invertColor(transparentColor));
@@ -675,7 +675,6 @@ public static NativeImage generateRouteMapBMT(long platformId, boolean flip, flo
                     final int y = Math.round((stationPositionGrouped.stationPosition.y + rawHeightPart + 0.4F) * scale * heightScale);
                     final int lines = stationPositionGrouped.stationPosition.isCommon ? colorIndices[colorIndices.length - 1] : 0;
                     final boolean currentStation = stationPositionGrouped.stationOffset == 0;
-                    final boolean passed = stationPositionGrouped.stationOffset < 0;
 
                     final IntArrayList interchangeColors = stationPositionGrouped.interchangeColors;
                     if (!interchangeColors.isEmpty() && !currentStation) {
@@ -683,7 +682,7 @@ public static NativeImage generateRouteMapBMT(long platformId, boolean flip, flo
                         final int lineWidth = (int) Math.ceil((float) lineSize / 4);
                         for (int drawX = 0; drawX < lineWidth; drawX++) {
                             for (int drawY = 0; drawY < lineSize * 1.8; drawY++) {
-                                drawPixelSafe(nativeImage, x + drawX - lineWidth / 2, y + lines * lineSpacing + drawY, passed ? ARGB_LIGHT_GRAY : ARGB_BLACK);
+                                drawPixelSafe(nativeImage, x + drawX - lineWidth / 2, y + lines * lineSpacing + drawY, ARGB_BLACK);
                             }
                         }
 
@@ -702,7 +701,7 @@ public static NativeImage generateRouteMapBMT(long platformId, boolean flip, flo
                             int renderX = x - interchangesWidth / 2;
                             for (int i = 0; i < interchanges.size(); i++) {
                                 nativeImage.fillRect(renderX, y + lines * lineSpacing + lineHeight, interchanges.get(i).renderWidth(), interchangesHeight, invertColor(ARGB_BLACK | interchangeColors.getInt(i)));
-                                drawString(nativeImage, interchanges.get(i), renderX, y + lines * lineSpacing + lineHeight + interchangesHeight / 2, HorizontalAlignment.LEFT, VerticalAlignment.CENTER, 0, passed ? ARGB_LIGHT_GRAY : ARGB_WHITE, false);
+                                drawString(nativeImage, interchanges.get(i), renderX, y + lines * lineSpacing + lineHeight + interchangesHeight / 2, HorizontalAlignment.LEFT, VerticalAlignment.CENTER, 0, ARGB_WHITE, false);
                                 renderX += interchanges.get(i).renderWidth() + padding;
                             }
                         }
@@ -1289,8 +1288,20 @@ protected static void drawStationBMT(NativeImage nativeImage, int x, int y, floa
 
     protected static void drawVerticalString(NativeImage nativeImage, String text, int x, int y, int maxWidth, int maxHeight, int fontSizeCjk, int fontSize, int padding, HorizontalAlignment horizontalAlignment, VerticalAlignment verticalAlignment, int backgroundColor, int textColor) {
         final ImmutablePair<String, String> pair = IGuiExtension.splitTranslation(text);
-        final DynamicTextureCache.Text textCJK = DynamicTextureCache.instance.getText(IGui.formatVerticalChinese(pair.left), maxWidth, maxHeight, fontSizeCjk, fontSizeCjk, ConfigClient.USE_TIANJIN_METRO_FONT.get() ? 0 : padding, HorizontalAlignment.LEFT, 1F, false);
-        final DynamicTextureCache.Text textNonCJK = DynamicTextureCache.instance.getText(pair.right, maxHeight, maxWidth, fontSize, fontSize, padding, HorizontalAlignment.LEFT, 1F, false);
+        final DynamicTextureCache.Text textCJK;
+        if (pair.left.isEmpty()) {
+            textCJK = DynamicTextureCache.Text.empty();
+            padding = 0;
+        } else {
+            textCJK = DynamicTextureCache.instance.getText(IGui.formatVerticalChinese(pair.left), maxWidth, maxHeight, fontSizeCjk, fontSizeCjk, ConfigClient.USE_TIANJIN_METRO_FONT.get() ? 0 : padding, HorizontalAlignment.LEFT, 1F, false);
+        }
+        final DynamicTextureCache.Text textNonCJK;
+        if (pair.right.isEmpty()) {
+            textNonCJK = DynamicTextureCache.Text.empty();
+            padding = 0;
+        } else {
+            textNonCJK = DynamicTextureCache.instance.getText(pair.right, maxHeight, maxWidth, fontSize, fontSize, padding, HorizontalAlignment.LEFT, 1F, false);
+        }
         final int width = textCJK.width() + textNonCJK.height() - padding * 2;
         switch (horizontalAlignment) {
             case LEFT:
@@ -1308,6 +1319,8 @@ protected static void drawVerticalString(NativeImage nativeImage, String text, i
     }
 
     protected static void drawString(NativeImage nativeImage, DynamicTextureCache.Text text, int x, int y, HorizontalAlignment horizontalAlignment, VerticalAlignment verticalAlignment, int backgroundColor, int textColor, boolean rotate90) {
+        if (text == null || text.pixels() == null) return;
+
         if (((backgroundColor >> 24) & 0xFF) > 0) {
             for (int drawX = 0; drawX < (rotate90 ? text.height() : text.renderWidth()); drawX++) {
                 for (int drawY = 0; drawY < (rotate90 ? text.renderWidth() : text.height()); drawY++) {
diff --git a/fabric/src/main/java/ziyue/tjmetro/mod/data/IGuiExtension.java b/fabric/src/main/java/ziyue/tjmetro/mod/data/IGuiExtension.java
index 5dc49df..2067dcb 100644
--- a/fabric/src/main/java/ziyue/tjmetro/mod/data/IGuiExtension.java
+++ b/fabric/src/main/java/ziyue/tjmetro/mod/data/IGuiExtension.java
@@ -82,7 +82,11 @@ static String mergeTranslation(String keyCJK, String key) {
      */
     static ImmutablePair<String, String> splitTranslation(String text) {
         final int separatorIndex = text.indexOf("|");
-        return new ImmutablePair<>(text.substring(0, separatorIndex), text.substring(separatorIndex + 1));
+        if (separatorIndex == -1) {
+            if (IGui.isCjk(text)) return ImmutablePair.of(text, "");
+            else return ImmutablePair.of("", text);
+        }
+        return ImmutablePair.of(text.substring(0, separatorIndex), text.substring(separatorIndex + 1));
     }
 
     /**
diff --git a/fabric/src/main/java/ziyue/tjmetro/mod/item/ItemPSDAPGTianjinBase.java b/fabric/src/main/java/ziyue/tjmetro/mod/item/ItemPSDAPGTianjinBase.java
index e323ae6..4636fcd 100644
--- a/fabric/src/main/java/ziyue/tjmetro/mod/item/ItemPSDAPGTianjinBase.java
+++ b/fabric/src/main/java/ziyue/tjmetro/mod/item/ItemPSDAPGTianjinBase.java
@@ -49,7 +49,7 @@ public ItemPSDAPGTianjinBase(BlockRegistryObject block, ItemSettings settings) {
     @Override
     public ActionResult useOnBlock2(ItemUsageContext context) {
         final int horizontalBlocks = block.data instanceof BlockPSDAPGDoorBase ? 2 : 1;
-        if (blocksNotReplaceable(context, horizontalBlocks, 3, this.block)) return ActionResult.FAIL;
+        if (blocksNotReplaceable(context, horizontalBlocks, isAPG() ? 2 : 3, this.block)) return ActionResult.FAIL;
 
         final World world = context.getWorld();
         final Direction playerFacing = context.getPlayerFacing();
@@ -78,6 +78,10 @@ public ActionResult useOnBlock2(ItemUsageContext context) {
         return ActionResult.SUCCESS;
     }
 
+    public boolean isAPG() {
+        return this.block.data instanceof BlockFlagAPGTianjin || this.block.data instanceof BlockFlagAPGTianjinBMT;
+    }
+
     @Override
     public void addTooltips(ItemStack stack, @Nullable World world, List<MutableText> tooltip, TooltipContext options) {
         if (this.block.data instanceof BlockPSDAPGDoorBase) {