diff --git a/src/Viewer/fg_os_osgviewer.cxx b/src/Viewer/fg_os_osgviewer.cxx
index 08f1794..d7d0a90 100755
--- a/src/Viewer/fg_os_osgviewer.cxx
+++ b/src/Viewer/fg_os_osgviewer.cxx
@@ -159,6 +159,10 @@ static const char* getStereoMode()
 {
     DisplaySettings::StereoMode stereoMode = DisplaySettings::instance()->getStereoMode();
     bool stereoOn = DisplaySettings::instance()->getStereo();
+
+    //zhongjin
+    SG_LOG(SG_VIEW, SG_DEBUG, "立体模式: " << stereoOn);
+
     if (!stereoOn) return "OFF";
     if (stereoMode == DisplaySettings::QUAD_BUFFER) {
         return "QUAD_BUFFER";