feat: 优化代码

app/src/main/res/values/dimens.xml

@@ -1,11 +1,12 @@
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools">
     <!-- Default screen margins, per the Android Design guidelines. -->
     <dimen name="activity_horizontal_margin">16dp</dimen>
     <dimen name="activity_vertical_margin">16dp</dimen>
     <dimen name="nav_header_vertical_spacing">8dp</dimen>
     <dimen name="nav_header_height">176dp</dimen>
     <dimen name="fab_margin">16dp</dimen>
-
+    <dimen name="design_bottom_navigation_active_text_size" tools:override="true">12sp</dimen>
+    <dimen name="design_bottom_navigation_text_size" tools:override="true">12sp</dimen>
 
     <dimen name="font_size_normal">14sp</dimen>
     <dimen name="font_size_middle">16sp</dimen>