还是感觉原来颜色好看点

app/src/main/java/io/legado/app/lib/theme/ATH.kt

@@ -5,7 +5,6 @@ import android.app.Activity
 import android.app.ActivityManager
 import android.content.Context
 import android.graphics.Color
-import android.graphics.drawable.ColorDrawable
 import android.os.Build
 import android.view.View
 import android.view.View.SYSTEM_UI_FLAG_LIGHT_NAVIGATION_BAR
@@ -206,7 +205,10 @@ object ATH {
                 .setSelectedColor(ThemeStore.accentColor(bottom_navigation_view.context)).create()
             itemIconTintList = colorStateList
             itemTextColor = colorStateList
-            itemBackground = ColorDrawable(ThemeStore.primaryColor(bottomBar.context))
+            itemBackgroundResource = when (AppConfig.isNightTheme) {
+                true -> R.drawable.item_bg_dark
+                false -> R.drawable.item_bg_light
+            }
         }
     }