diff --git a/src/GUI/SetupRootDialog.cxx b/src/GUI/SetupRootDialog.cxx
index 7ee4a04..20629d9 100755
--- a/src/GUI/SetupRootDialog.cxx
+++ b/src/GUI/SetupRootDialog.cxx
@@ -221,7 +221,9 @@ void SetupRootDialog::onBrowse()
 
 void SetupRootDialog::onDownload()
 {
-    QString templateUrl = "https://sourceforge.net/projects/flightgear/files/release-%1/FlightGear-%2-data.txz";
+    //QString templateUrl = "https://sourceforge.net/projects/flightgear/files/release-%1/FlightGear-%2-data.txz";
+    //zhongjin fgdata 下载
+    QString templateUrl = "https://git-x.kongjian.xin/FGFS-4.1/fgdata/archive/next.tar.gz";
     QString majorMinorVersion = QString("%1.%2").arg(FLIGHTGEAR_MAJOR_VERSION).arg(FLIGHTGEAR_MINOR_VERSION);
     QUrl downloadUrl(templateUrl.arg(majorMinorVersion).arg(VERSION));
     QDesktopServices::openUrl(downloadUrl);