diff --git a/app/src/main/java/io/legado/app/data/dao/RssSourceDao.kt b/app/src/main/java/io/legado/app/data/dao/RssSourceDao.kt
index cb4d695ab..0d3e6e575 100644
--- a/app/src/main/java/io/legado/app/data/dao/RssSourceDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/RssSourceDao.kt
@@ -8,6 +8,9 @@ import io.legado.app.data.entities.RssSource
 @Dao
 interface RssSourceDao {
 
+    @get:Query("SELECT * FROM rssSources")
+    val all: List<RssSource>
+
     @Query("SELECT * FROM rssSources")
     fun liveAll(): LiveData<List<RssSource>>
 
diff --git a/app/src/main/java/io/legado/app/help/FileHelp.kt b/app/src/main/java/io/legado/app/help/FileHelp.kt
index 123f31172..f274c84e4 100644
--- a/app/src/main/java/io/legado/app/help/FileHelp.kt
+++ b/app/src/main/java/io/legado/app/help/FileHelp.kt
@@ -28,8 +28,8 @@ object FileHelp {
                 file.createNewFile()
             }
         } catch (e: IOException) {
+            e.printStackTrace()
         }
-
         return file
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/help/storage/Backup.kt b/app/src/main/java/io/legado/app/help/storage/Backup.kt
index 1cb43a8db..90a07e0b7 100644
--- a/app/src/main/java/io/legado/app/help/storage/Backup.kt
+++ b/app/src/main/java/io/legado/app/help/storage/Backup.kt
@@ -1,7 +1,9 @@
 package io.legado.app.help.storage
 
 import io.legado.app.App
+import io.legado.app.help.FileHelp
 import io.legado.app.utils.GSON
+import java.io.File
 
 object Backup {
 
@@ -13,9 +15,27 @@ object Backup {
 
     }
 
-    private fun backupBookshelf() {
-        val books = App.db.bookDao().allBooks
-        val json = GSON.toJson(books)
+    private fun backupBookshelf(path: String) {
+        val json = GSON.toJson(App.db.bookDao().allBooks)
+        val file = FileHelp.getFile(path + File.separator + "bookshelf.json")
+        file.writeText(json)
+    }
+
+    private fun backupBookSource(path: String) {
+        val json = GSON.toJson(App.db.bookSourceDao().all)
+        val file = FileHelp.getFile(path + File.separator + "bookSource.json")
+        file.writeText(json)
+    }
+
+    private fun backupCssSource(path: String) {
+        val json = GSON.toJson(App.db.rssSourceDao().all)
+        val file = FileHelp.getFile(path + File.separator + "cssSource.json")
+        file.writeText(json)
+    }
 
+    private fun backupReplaceRule(path: String) {
+        val json = GSON.toJson(App.db.replaceRuleDao().all)
+        val file = FileHelp.getFile(path + File.separator + "replaceRule.json")
+        file.writeText(json)
     }
 }
\ No newline at end of file