diff --git a/app/page/cw_page_ui_widget.c b/app/page/cw_page_ui_widget.c
index d5222f8..0e88602 100644
--- a/app/page/cw_page_ui_widget.c
+++ b/app/page/cw_page_ui_widget.c
@@ -141,8 +141,10 @@ void Show_Marked_Image(void)
 
     // 确认边线数组在显示前不会清空
     for (uint i = 0; i < PT_MAXLEN; i++) {
-        ips200_draw_point(START_X + (uint16_t)(mid_right[i][0] * horizontal_zoom_rate), START_Y + (uint16_t)(mid_right[i][1] * vertical_zoom_rate), RGB565_GREEN);
-        ips200_draw_point(START_X + (uint16_t)(mid_left[i][0] * horizontal_zoom_rate), START_Y + (uint16_t)(mid_left[i][1] * vertical_zoom_rate), RGB565_GREEN);
+        ips200_draw_point(START_X + (uint16_t)((float)pts_right[i][1] * horizontal_zoom_rate), START_Y + (uint16_t)((float)pts_right[i][0] * vertical_zoom_rate), RGB565_GREEN);
+        ips200_draw_point(START_X + (uint16_t)((float)pts_right[i][1] * horizontal_zoom_rate) - 1, START_Y + (uint16_t)((float)pts_right[i][0] * vertical_zoom_rate), RGB565_GREEN);
+        ips200_draw_point(START_X + (uint16_t)((float)pts_left[i][1] * horizontal_zoom_rate), START_Y + (uint16_t)((float)pts_left[i][0] * vertical_zoom_rate), RGB565_YELLOW);
+        ips200_draw_point(START_X + (uint16_t)((float)pts_left[i][1] * horizontal_zoom_rate) + 1, START_Y + (uint16_t)((float)pts_left[i][0] * vertical_zoom_rate), RGB565_YELLOW);
     }
 #undef IMAGE_DISPLAY_WIDTH
 #undef START_X