diff --git a/3rdparty/fonts/fnt.cxx b/3rdparty/fonts/fnt.cxx
index 6fd6529..e55ca7d 100644
--- a/3rdparty/fonts/fnt.cxx
+++ b/3rdparty/fonts/fnt.cxx
@@ -191,13 +191,15 @@ void fntTexFont::getBBox ( const char *s,
     }
     if ( (cc & 0XE0) == 0XE0) {
 
+      SG_LOG(SG_GUI,SG_ALERT, "UTF83 cc=" << cc);
+
       int x = (cc & 0X0F) << 4;
 
       //SG_LOG(SG_GUI,SG_ALERT, "UTF8 cc<<4 " << x);
 
       cc =  (unsigned char) *(s++) ;
 
-      //SG_LOG(SG_GUI,SG_ALERT, "UTF81 cc=" << cc);
+      SG_LOG(SG_GUI,SG_ALERT, "UTF82 cc=" << cc);
 
       x= x + ((cc & 0x3C) >>2 ) ;
 
@@ -205,7 +207,7 @@ void fntTexFont::getBBox ( const char *s,
 
       cc =  (unsigned char) *(s++) ;
 
-      //SG_LOG(SG_GUI,SG_ALERT, "UTF82 cc=" << cc);
+      SG_LOG(SG_GUI,SG_ALERT, "UTF81 cc=" << cc);
 
       y= y + (cc & 0x3F);
 
@@ -292,17 +294,23 @@ void fntTexFont::puts ( sgVec3 curpos, float pointsize, float italic, const char
     else
 
       if ( (cc & 0XE0) == 0XE0) {
+        SG_LOG(SG_GUI,SG_ALERT, "UTF83 cc=" << cc);
         int x = (cc & 0X0F) << 4;
         //SG_LOG(SG_GUI,SG_ALERT, "UTF8 cc<<4 " << x);
+
         cc =  (unsigned char) *(s++) ;
-        //SG_LOG(SG_GUI,SG_ALERT, "UTF81 cc=" << cc);
+        SG_LOG(SG_GUI,SG_ALERT, "UTF82 cc=" << cc);
+        
         x= x + ((cc & 0x3C) >>2 ) ;
         int y = (cc & 0x03) << 6 ;
+
         cc =  (unsigned char) *(s++) ;
-        //SG_LOG(SG_GUI,SG_ALERT, "UTF82 cc=" << cc);
+        SG_LOG(SG_GUI,SG_ALERT, "UTF81 cc=" << cc);
+
         y= y + (cc & 0x3F);
         //SG_LOG(SG_GUI,SG_ALERT, "x=" << x << ",y=" << y);
         cc = x * 256 + y;
+
         SG_LOG(SG_GUI,SG_ALERT, "GBK cc=" << cc);
       }