diff --git a/app/src/main/java/io/legado/app/ui/readbook/Help.kt b/app/src/main/java/io/legado/app/ui/readbook/Help.kt
index 13bdebf50..1eafb1902 100644
--- a/app/src/main/java/io/legado/app/ui/readbook/Help.kt
+++ b/app/src/main/java/io/legado/app/ui/readbook/Help.kt
@@ -34,7 +34,7 @@ object Help {
         window.decorView.systemUiVisibility = flag
     }
 
-    // 该方法需要在View完全被绘制出来之后调用，否则判断不了
+    //该方法需要在View完全被绘制出来之后调用，否则判断不了
     //在比如 onWindowFocusChanged（）方法中可以得到正确的结果
     fun isNavigationBarExist(activity: Activity?): Boolean {
         activity?.let {