diff --git a/3rdparty/fonts/fnt.cxx b/3rdparty/fonts/fnt.cxx
index 0b3f4a2..071617c 100644
--- a/3rdparty/fonts/fnt.cxx
+++ b/3rdparty/fonts/fnt.cxx
@@ -134,6 +134,8 @@ int fntTexFont::getGlyph ( char c, float* wid,
         float *vtx_left, float *vtx_right,
         float *vtx_bot , float *vtx_top  )
 {
+  //zhongjin
+  SG_LOG(SG_GUI,SG_ALERT, "getGlyph " << c);
   unsigned int cc = (unsigned char) c ;
 
   if ( ! exists[cc] ) return FNT_FALSE ;