Update inc_photowatermark_config.php

src/data/mark/inc_photowatermark_config.php

@@ -7,7 +7,7 @@ $photo_wheight = '120';
 $photo_waterpos = '9';
 $photo_watertext = 'www.dedebiz.com';
 $photo_fontsize = '14';
-$photo_fontcolor = '0,0,0';
+$photo_fontcolor = '255,255,255';
 $photo_marktrans = '100';
 $photo_diaphaneity = '100';
 $photo_markimg = 'mark.png';