diff --git a/app/src/main/java/io/legado/app/data/dao/BookSourceDao.kt b/app/src/main/java/io/legado/app/data/dao/BookSourceDao.kt
index 0981a94ea..fd5e2a6c9 100644
--- a/app/src/main/java/io/legado/app/data/dao/BookSourceDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/BookSourceDao.kt
@@ -14,10 +14,16 @@ interface BookSourceDao {
     @Query("select * from book_sources where bookSourceName like :searchKey or bookSourceGroup like :searchKey or bookSourceUrl like :searchKey order by customOrder asc")
     fun liveDataSearch(searchKey: String = ""): LiveData<List<BookSource>>
 
-    @Query("select * from book_sources where enabled = 1 and enabledExplore = 1 and exploreUrl is not null and exploreUrl <> '' order by customOrder asc")
+    @Query("select * from book_sources where enabledExplore = 1 and exploreUrl is not null and exploreUrl <> '' order by customOrder asc")
     fun liveExplore(): LiveData<List<BookSource>>
 
-    @Query("select * from book_sources where enabled = 1 and enabledExplore = 1 and exploreUrl is not null and exploreUrl <> '' and (bookSourceGroup like :key or bookSourceName like :key) order by customOrder asc")
+    @Query(
+        """
+        select * from book_sources 
+        where enabledExplore = 1 and exploreUrl is not null and exploreUrl <> '' and (bookSourceGroup like :key or bookSourceName like :key) 
+        order by customOrder asc
+    """
+    )
     fun liveExplore(key: String): LiveData<List<BookSource>>
 
     @Query("select bookSourceGroup from book_sources where bookSourceGroup is not null and bookSourceGroup <> ''")
@@ -26,7 +32,12 @@ interface BookSourceDao {
     @Query("select bookSourceGroup from book_sources where enabled = 1 and bookSourceGroup is not null and bookSourceGroup <> ''")
     fun liveGroupEnabled(): LiveData<List<String>>
 
-    @Query("select bookSourceGroup from book_sources where enabled = 1 and enabledExplore = 1 and exploreUrl is not null and exploreUrl <> '' and bookSourceGroup is not null and bookSourceGroup <> ''")
+    @Query(
+        """
+        select bookSourceGroup from book_sources 
+        where enabledExplore = 1 and exploreUrl is not null and exploreUrl <> '' and bookSourceGroup is not null and bookSourceGroup <> ''
+    """
+    )
     fun liveGroupExplore(): LiveData<List<String>>
 
     @Query("select distinct  enabled from book_sources where bookSourceName like :searchKey or bookSourceGroup like :searchKey or bookSourceUrl like :searchKey")