diff --git a/components/express_way.py b/components/express_way.py
index 88ac27d..cee2b2f 100644
--- a/components/express_way.py
+++ b/components/express_way.py
@@ -12,9 +12,10 @@ class ExpressWayBaseComponent:
         self.sub_name = sub_name
         self.head_bg_color = head_bg_color
         self.head_text_color = head_text_color
-        self.main_text_height = 40 * SCALE
+        self.main_text_height = 50 * SCALE
         self.main_text_width = FontSize.get_font_width(self.main_name, 'resources/B.ttf', self.main_text_height)
-        self.sub_text_width = FontSize.get_font_width(self.sub_name, 'resources/B.ttf', 24 * SCALE)
+        self.sub_text_height = int(self.main_text_height * 0.6)
+        self.sub_text_width = FontSize.get_font_width(self.sub_name, 'resources/B.ttf', self.sub_text_height)
         self.inset = 5 * SCALE
         self.stroke_width = 2 * SCALE
         self.r = 8 * SCALE
@@ -59,8 +60,8 @@ class ExpressWayBaseComponent:
         big_text.draw(container, name_start_x, y + self.head_height)
 
         if len(self.sub_name):
-            small_text = TextBComponent(self.sub_name, '#ffffff', 24 * SCALE)
-            small_text.draw(container, name_start_x + self.main_text_width, y + self.head_height + self.main_text_height * 0.33)
+            small_text = TextBComponent(self.sub_name, '#ffffff', self.sub_text_height)
+            small_text.draw(container, name_start_x + self.main_text_width, y + self.head_height + self.main_text_height * 0.32)
 
 
 class NationalExpressWayComponent(ExpressWayBaseComponent):
diff --git a/test/main.py b/test/main.py
index 48d6a10..1ae5103 100644
--- a/test/main.py
+++ b/test/main.py
@@ -108,12 +108,12 @@ for line in lines:
 
         elif item_type == 4:
             main_name = item_info.get('main_name')
-            sub_name = item_info.get('sub_name')
+            sub_name = item_info.get('sub_name') if item_info.get('sub_name') is not None else ''
             ele = NationalExpressWayComponent(main_name, sub_name)
 
         elif item_type == 5:
             main_name = item_info.get('main_name')
-            sub_name = item_info.get('sub_name')
+            sub_name = item_info.get('sub_name') if item_info.get('sub_name') is not None else ''
             prov = item_info.get('prov')
             ele = ProvincialExpressWayComponent(prov, main_name, sub_name)