优化

app/src/main/java/io/legado/app/ui/config/OtherConfigFragment.kt

@@ -188,6 +188,7 @@ class OtherConfigFragment : PreferenceFragmentCompat(),
                         Intent.FLAG_GRANT_READ_URI_PERMISSION or Intent.FLAG_GRANT_WRITE_URI_PERMISSION
                     )
                     putPrefString(PreferKey.downloadPath, uri.toString())
+                    BookHelp.upDownloadPath()
                 }
             }
         }