diff --git a/app/src/main/java/io/legado/app/data/dao/BookChapterDao.kt b/app/src/main/java/io/legado/app/data/dao/BookChapterDao.kt
index 38cc452f2..d0588bec8 100644
--- a/app/src/main/java/io/legado/app/data/dao/BookChapterDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/BookChapterDao.kt
@@ -10,16 +10,16 @@ import io.legado.app.data.entities.BookChapter
 @Dao
 interface BookChapterDao {
 
-    @Query("select * from chapters where bookUrl = :bookUrl")
+    @Query("select * from chapters where bookUrl = :bookUrl order by `index`")
     fun observeByBook(bookUrl: String): LiveData<List<BookChapter>>
 
-    @Query("SELECT * FROM chapters where bookUrl = :bookUrl and title like '%'||:key||'%'")
+    @Query("SELECT * FROM chapters where bookUrl = :bookUrl and title like '%'||:key||'%' order by `index`")
     fun liveDataSearch(bookUrl: String, key: String): LiveData<List<BookChapter>>
 
-    @Query("select * from chapters where bookUrl = :bookUrl")
+    @Query("select * from chapters where bookUrl = :bookUrl order by `index`")
     fun getChapterList(bookUrl: String): List<BookChapter>
 
-    @Query("select * from chapters where bookUrl = :bookUrl and `index` >= :start and `index` <= :end")
+    @Query("select * from chapters where bookUrl = :bookUrl and `index` >= :start and `index` <= :end order by `index`")
     fun getChapterList(bookUrl: String, start: Int, end: Int): List<BookChapter>
 
     @Query("select * from chapters where bookUrl = :bookUrl and `index` = :index")