diff --git a/bsp/stm32_radio/resource/hzk12.fnt b/bsp/stm32_radio/resource/hzk12.fnt
index 877acf27cf08376ec3635c9f9603554d70d67734..8f580a83e4df7482d00280c50a16595381495c98 100644
Binary files a/bsp/stm32_radio/resource/hzk12.fnt and b/bsp/stm32_radio/resource/hzk12.fnt differ
diff --git a/rtgui/common/hz12font.c b/rtgui/common/hz12font.c
index 5ea8bf57ac79775f4afee0d29a818d8fc408d3fc..6ebcf7ef82fe01f7506f8556e4389faf60626e6a 100644
--- a/rtgui/common/hz12font.c
+++ b/rtgui/common/hz12font.c
@@ -12293,12 +12293,12 @@ struct rtgui_font rtgui_font_hz12 =
 
 /* size = 196272 bytes */
 #else
-const struct rtgui_hz_file_font hz12 =
+struct rtgui_hz_file_font hz12 =
 {
 	{RT_NULL}, 				/* cache root 		*/
 	0, 				    	/* cache size 		*/
 	12, 					/* font size 		*/
-	32,						/* font data size 	*/
+	24,						/* font data size 	*/
 	-1, 					/* fd 				*/
 	"/resource/hzk12.fnt"	/* font_fn 			*/
 };