diff --git a/app/src/main/java/io/legado/app/model/webbook/BookChapterList.kt b/app/src/main/java/io/legado/app/model/webbook/BookChapterList.kt
index 56adb8278..ec6fa6fb5 100644
--- a/app/src/main/java/io/legado/app/model/webbook/BookChapterList.kt
+++ b/app/src/main/java/io/legado/app/model/webbook/BookChapterList.kt
@@ -116,6 +116,10 @@ object BookChapterList {
             item.index = index
         }
         book.latestChapterTitle = chapterList.last().title
+        if (book.totalChapterNum < chapterList.size) {
+            book.lastCheckCount = chapterList.size - book.totalChapterNum
+            book.totalChapterNum = chapterList.size
+        }
         return chapterList
     }