diff --git a/app/src/main/java/io/legado/app/data/AppDatabase.kt b/app/src/main/java/io/legado/app/data/AppDatabase.kt
index 5045b9ce4..023e1dffb 100644
--- a/app/src/main/java/io/legado/app/data/AppDatabase.kt
+++ b/app/src/main/java/io/legado/app/data/AppDatabase.kt
@@ -39,7 +39,7 @@ abstract class AppDatabase : RoomDatabase() {
                             CREATE TABLE txtTocRules(id INTEGER NOT NULL, 
                             name TEXT NOT NULL, rule TEXT NOT NULL, serialNumber INTEGER NOT NULL, 
                             enable INTEGER NOT NULL, PRIMARY KEY (id))
-                        """
+                            """
                         )
                     }
                 })