diff --git a/app/src/main/java/io/legado/app/ui/widget/page/ContentTextView.kt b/app/src/main/java/io/legado/app/ui/widget/page/ContentTextView.kt
index ed4ff6849..fd406ea57 100644
--- a/app/src/main/java/io/legado/app/ui/widget/page/ContentTextView.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/page/ContentTextView.kt
@@ -193,6 +193,9 @@ class ContentTextView : AppCompatTextView {
         }
     }
 
+    /**
+     * 惯性滚动
+     */
     private inner class ViewFling : Runnable {
 
         private var mLastFlingY = 0