diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
index 92ca38c84..6ae731842 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
@@ -1002,7 +1002,7 @@ class ReadBookActivity : BaseReadBookActivity(),
      * 更新状态栏,导航栏
      */
     override fun upSystemUiVisibility() {
-        upSystemUiVisibility(isInMultiWindow, !binding.readMenu.isVisible)
+        upSystemUiVisibility(isInMultiWindow, !menuLayoutIsVisible)
         upNavigationBarColor()
     }