大佬们，图中数字颜色怎么无法修改呀？

1. dev_close_window ()
   
2. dev_open_window (0, 0, 512, 512, 'black', WindowHandle)
   
3. set_display_font (WindowHandle, 16, 'mono', 'true', 'false')
   
4. dev_set_color ('white')
   
5. read_image (Image, 'F:/桌面/Halcon/素材/瓶盖.jpg')
   
6. rgb1_to_gray (Image, GrayImage)
   
7. threshold (GrayImage, Regions, 94, 255)
   
8. connection (Regions, ConnectedRegions)
   
9. select_shape (ConnectedRegions, SelectedRegions, 'area', 'and', 10541.2, 11648.2)
   
10. dev_display (GrayImage)
    
11. dev_display (SelectedRegions)
    
12. area_center (SelectedRegions, Area, Row, Column)
    
13. disp_message (WindowHandle, '面积： '+Area+'  坐标： '+Row+', '+Column, 'window',0,0, 'white', 'true')

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我用clip图试了下，正常的，环境halcon18.11.3.0