diff --git a/app/src/main/java/io/legado/app/ui/main/MainActivity.kt b/app/src/main/java/io/legado/app/ui/main/MainActivity.kt
index a059e380d..1655152b6 100644
--- a/app/src/main/java/io/legado/app/ui/main/MainActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/main/MainActivity.kt
@@ -13,7 +13,10 @@ import io.legado.app.BuildConfig
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.constant.Bus
+import io.legado.app.help.permission.Permissions
+import io.legado.app.help.permission.PermissionsCompat
 import io.legado.app.help.storage.Backup
+import io.legado.app.help.storage.WebDavHelp
 import io.legado.app.lib.theme.ATH
 import io.legado.app.service.BaseReadAloudService
 import io.legado.app.service.help.ReadAloud
@@ -137,6 +140,22 @@ class MainActivity : VMBaseActivity<MainViewModel>(R.layout.activity_main),
         }
     }
 
+    fun backup() {
+        PermissionsCompat.Builder(this)
+            .addPermissions(*Permissions.Group.STORAGE)
+            .rationale(R.string.tip_perm_request_storage)
+            .onGranted { Backup.backup() }
+            .request()
+    }
+
+    fun restore() {
+        PermissionsCompat.Builder(this)
+            .addPermissions(*Permissions.Group.STORAGE)
+            .rationale(R.string.tip_perm_request_storage)
+            .onGranted { WebDavHelp.showRestoreDialog(this) }
+            .request()
+    }
+
     private inner class TabFragmentPageAdapter internal constructor(fm: FragmentManager) :
         FragmentStatePagerAdapter(fm, BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT) {
 
@@ -153,5 +172,4 @@ class MainActivity : VMBaseActivity<MainViewModel>(R.layout.activity_main),
         }
 
     }
-}
-
+}
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt b/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt
index e19d68ec5..5b2a24114 100644
--- a/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/main/my/MyFragment.kt
@@ -13,10 +13,6 @@ import io.legado.app.R
 import io.legado.app.base.BaseFragment
 import io.legado.app.constant.Bus
 import io.legado.app.help.BookHelp
-import io.legado.app.help.permission.Permissions
-import io.legado.app.help.permission.PermissionsCompat
-import io.legado.app.help.storage.Backup
-import io.legado.app.help.storage.WebDavHelp
 import io.legado.app.lib.theme.ATH
 import io.legado.app.service.WebService
 import io.legado.app.ui.about.AboutActivity
@@ -24,6 +20,7 @@ import io.legado.app.ui.about.DonateActivity
 import io.legado.app.ui.book.source.manage.BookSourceActivity
 import io.legado.app.ui.config.ConfigActivity
 import io.legado.app.ui.config.ConfigViewModel
+import io.legado.app.ui.main.MainActivity
 import io.legado.app.ui.replacerule.ReplaceRuleActivity
 import io.legado.app.utils.*
 import kotlinx.android.synthetic.main.view_title_bar.*
@@ -46,16 +43,14 @@ class MyFragment : BaseFragment(R.layout.fragment_my_config) {
     override fun onCompatOptionsItemSelected(item: MenuItem) {
         when (item.itemId) {
             R.id.menu_help -> startActivity<AboutActivity>()
-            R.id.menu_backup -> PermissionsCompat.Builder(this)
-                .addPermissions(*Permissions.Group.STORAGE)
-                .rationale(R.string.tip_perm_request_storage)
-                .onGranted { Backup.backup() }
-                .request()
-            R.id.menu_restore -> PermissionsCompat.Builder(this)
-                .addPermissions(*Permissions.Group.STORAGE)
-                .rationale(R.string.tip_perm_request_storage)
-                .onGranted { WebDavHelp.showRestoreDialog(requireContext()) }
-                .request()
+            R.id.menu_backup -> {
+                val activity = activity as? MainActivity
+                activity?.backup()
+            }
+            R.id.menu_restore -> {
+                val activity = activity as? MainActivity
+                activity?.restore()
+            }
         }
     }