From 8a13e900ec1335a3bd3918938d501bb349b16682 Mon Sep 17 00:00:00 2001
From: niuhb <76513019+niu-hb@users.noreply.github.com>
Date: Tue, 21 Jan 2025 12:23:18 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8D=E6=98=BE=E7=A4=BA=E6=B2=A1=E6=9C=89?=
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---
 app/src/main/java/io/legado/app/data/dao/BookGroupDao.kt | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/io/legado/app/data/dao/BookGroupDao.kt b/app/src/main/java/io/legado/app/data/dao/BookGroupDao.kt
index 0c3fd7fc1..630843653 100644
--- a/app/src/main/java/io/legado/app/data/dao/BookGroupDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/BookGroupDao.kt
@@ -26,7 +26,8 @@ interface BookGroupDao {
     @get:Query(
         """
         with const as (SELECT sum(groupId) sumGroupId FROM book_groups where groupId > 0)
-        SELECT book_groups.* FROM book_groups, const where (groupId >= 0 and show > 0)
+        SELECT book_groups.* FROM book_groups, const 
+        where (groupId >= 0 and show > 0 and exists (select `group` from books where books.`group` = book_groups.groupId))
         or (groupId = -1 and show > 0)
         or (groupId = -2 and show > 0 and (select count(*) from books where type & ${BookType.local} > 0) > 0)
         or (groupId = -3 and show > 0 and (select count(*) from books where type & ${BookType.audio} > 0) > 0)