diff --git a/components/rtgui/include/rtgui/dc.h b/components/rtgui/include/rtgui/dc.h
index c1b1857d15..f9276b6764 100644
--- a/components/rtgui/include/rtgui/dc.h
+++ b/components/rtgui/include/rtgui/dc.h
@@ -79,7 +79,12 @@ void rtgui_dc_destory(struct rtgui_dc* dc);
 
 void rtgui_dc_draw_line (struct rtgui_dc* dc, int x1, int y1, int x2, int y2);
 void rtgui_dc_draw_rect (struct rtgui_dc* dc, struct rtgui_rect* rect);
-void rtgui_dc_draw_round_rect(struct rtgui_dc* dc, struct rtgui_rect* rect);
+void rtgui_dc_fill_rect_forecolor(struct rtgui_dc* dc, struct rtgui_rect* rect);
+void rtgui_dc_draw_round_rect(struct rtgui_dc* dc, struct rtgui_rect* rect, int r);
+void rtgui_dc_fill_round_rect(struct rtgui_dc* dc, struct rtgui_rect* rect, int r);
+void rtgui_dc_draw_annulus(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r1, rt_int16_t r2, rt_int16_t start, rt_int16_t end);
+void rtgui_dc_draw_sector(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r, rt_int16_t start, rt_int16_t end);
+void rtgui_dc_fill_sector(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r, rt_int16_t start, rt_int16_t end);
 
 void rtgui_dc_draw_text (struct rtgui_dc* dc, const char* text, struct rtgui_rect* rect);