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 a8d13edaa..7d47afa6f 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
@@ -14,7 +14,7 @@ interface BookSourceDao {
     @Query("select * from book_sources where bookSourceName like :searchKey or `bookSourceGroup` like :searchKey or bookSourceUrl like :searchKey order by customOrder asc")
     fun observeSearch(searchKey: String = ""): DataSource.Factory<Int, BookSource>
 
-    @Query("select * from book_sources where enabledExplore = 1 and exploreUrl is not null 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 bookSourceGroup from book_sources")