优化

app/src/main/java/io/legado/app/lib/permission/Permissions.kt

@@ -42,7 +42,7 @@ object Permissions {
     const val ACCESS_MEDIA_LOCATION = "android.permission.ACCESS_MEDIA_LOCATION"
 
     object Group {
-        val STORAGE = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+        val STORAGE = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
             arrayOf(MANAGE_EXTERNAL_STORAGE)
         } else {
             arrayOf(READ_EXTERNAL_STORAGE, WRITE_EXTERNAL_STORAGE)