diff --git a/app/src/main/java/io/legado/app/model/CacheBook.kt b/app/src/main/java/io/legado/app/model/CacheBook.kt
index 5dd28305f..aee3ce044 100644
--- a/app/src/main/java/io/legado/app/model/CacheBook.kt
+++ b/app/src/main/java/io/legado/app/model/CacheBook.kt
@@ -37,6 +37,7 @@ object CacheBook {
         var cacheBook = cacheBookMap[bookUrl]
         if (cacheBook != null) {
             //存在时更新,书源可能会变化,必须更新
+            cacheBook.bookSource = bookSource
             cacheBook.book = book
             return cacheBook
         }
@@ -51,6 +52,7 @@ object CacheBook {
         var cacheBook = cacheBookMap[book.bookUrl]
         if (cacheBook != null) {
             //存在时更新,书源可能会变化,必须更新
+            cacheBook.bookSource = bookSource
             cacheBook.book = book
             return cacheBook
         }