diff --git a/app/src/main/java/io/legado/app/model/webBook/BookContent.kt b/app/src/main/java/io/legado/app/model/webBook/BookContent.kt
index 855f2ec0f..4285b4a2e 100644
--- a/app/src/main/java/io/legado/app/model/webBook/BookContent.kt
+++ b/app/src/main/java/io/legado/app/model/webBook/BookContent.kt
@@ -110,7 +110,9 @@ object BookContent {
         Debug.log(bookSource.bookSourceUrl, "└${bookChapter.title}")
         Debug.log(bookSource.bookSourceUrl, "┌获取正文内容")
         Debug.log(bookSource.bookSourceUrl, "└\n$contentStr")
-        BookHelp.saveContent(book, bookChapter, contentStr)
+        if (contentStr.isNotBlank()) {
+            BookHelp.saveContent(book, bookChapter, contentStr)
+        }
         return contentStr
     }