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 7dcecaf11..f3087f5e7 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
@@ -24,6 +24,7 @@ import io.legado.app.ui.config.ConfigActivity
 import io.legado.app.ui.config.ConfigViewModel
 import io.legado.app.ui.filechooser.FileChooserDialog
 import io.legado.app.ui.replacerule.ReplaceRuleActivity
+import io.legado.app.ui.widget.dialog.TextDialog
 import io.legado.app.ui.widget.prefs.NameListPreference
 import io.legado.app.ui.widget.prefs.PreferenceCategory
 import io.legado.app.ui.widget.prefs.SwitchPreference
@@ -48,9 +49,10 @@ class MyFragment : BaseFragment(R.layout.fragment_my_config), FileChooserDialog.
 
     override fun onCompatOptionsItemSelected(item: MenuItem) {
         when (item.itemId) {
-            R.id.menu_help -> startActivity<AboutActivity>()
-            R.id.menu_backup -> BackupRestoreUi.backup(this)
-            R.id.menu_restore -> BackupRestoreUi.restore(this)
+            R.id.menu_help -> {
+                val text = String(requireContext().assets.open("help.md").readBytes())
+                TextDialog.show(childFragmentManager, text, TextDialog.MD)
+            }
         }
     }
 
diff --git a/app/src/main/java/io/legado/app/ui/widget/dialog/TextDialog.kt b/app/src/main/java/io/legado/app/ui/widget/dialog/TextDialog.kt
index 648949abd..9c1c75d5e 100644
--- a/app/src/main/java/io/legado/app/ui/widget/dialog/TextDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/dialog/TextDialog.kt
@@ -77,10 +77,16 @@ class TextDialog : BaseDialogFragment() {
                     time -= 1000
                     badge_view.setBadgeCount((time / 1000).toInt())
                     if (time <= 0) {
-                        dialog?.setCancelable(true)
+                        view.post {
+                            dialog?.setCancelable(true)
+                        }
                     }
                 }
             }
+        } else {
+            view.post {
+                dialog?.setCancelable(true)
+            }
         }
     }
 
diff --git a/app/src/main/res/menu/main_my.xml b/app/src/main/res/menu/main_my.xml
index db1161c28..74e555dff 100644
--- a/app/src/main/res/menu/main_my.xml
+++ b/app/src/main/res/menu/main_my.xml
@@ -10,16 +10,4 @@
         app:showAsAction="always"
         tools:ignore="AlwaysShowAction" />
 
-    <item
-        android:id="@+id/menu_backup"
-        android:title="@string/backup"
-        android:icon="@drawable/ic_backup"
-        app:showAsAction="always" />
-
-    <item
-        android:id="@+id/menu_restore"
-        android:title="@string/restore"
-        android:icon="@drawable/ic_restore"
-        app:showAsAction="always" />
-
 </menu>