message: Fixed the online help url.
diff: @@ -502,9 +502,9 @@ void SeafileTrayIcon::openHelp()
  {
  QString url;
  if (QLocale::system().name() == "zh_CN") {
  - url = "https://seafile.com/help/install_v2/";
  + url = "https://www.seafile.com/help/install/";
  } else {
  - url = "https://seafile.com/en/help/install_v2/";
  + url = "https://www.seafile.com/en/help/install/";
  }
  QDesktopServices::openUrl(QUrl(url));
  