diff --git a/app/src/main/java/io/legado/app/ui/book/read/sheet/ReadStyleSheet.kt b/app/src/main/java/io/legado/app/ui/book/read/sheet/ReadStyleSheet.kt
index 3ddc25778..be2f0aebd 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/sheet/ReadStyleSheet.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/sheet/ReadStyleSheet.kt
@@ -1,5 +1,6 @@
 package io.legado.app.ui.book.read.sheet
 
+import androidx.compose.animation.animateContentSize
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
@@ -108,7 +109,9 @@ fun ReadStyleContent(
     ) {
         HorizontalPager(
             state = pagerState,
-            modifier = Modifier.weight(1f, fill = false),
+            modifier = Modifier
+                .weight(1f, fill = false)
+                .animateContentSize(),
         ) { page ->
             when (page) {
                 0 -> GlobalThemePage(