diff --git a/app/src/main/java/io/legado/app/ui/widget/page/ContentView.kt b/app/src/main/java/io/legado/app/ui/widget/page/ContentView.kt
index fcf4de01e..4202549e1 100644
--- a/app/src/main/java/io/legado/app/ui/widget/page/ContentView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/page/ContentView.kt
@@ -35,6 +35,7 @@ class ContentView : FrameLayout {
     )
 
     init {
+        //设置背景防止切换背景时文字重叠
         setBackgroundColor(context.getCompatColor(R.color.background))
         addView(bgImage, LayoutParams(matchParent, matchParent))
         inflate(context, R.layout.view_book_page, this)