diff --git a/Ma233/0000/SLUG.png b/Ma233/0000/SLUG.png
new file mode 100644
index 00000000..1896ce49
Binary files /dev/null and b/Ma233/0000/SLUG.png differ
diff --git a/Ma233/0000/add_num.py b/Ma233/0000/add_num.py
new file mode 100644
index 00000000..64efe186
--- /dev/null
+++ b/Ma233/0000/add_num.py
@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+# coding=utf-8
+from PIL import Image, ImageDraw, ImageFont
+
+
+def add_num(pic_path, num, size=None, place=None):
+    pic = Image.open(pic_path)
+
+    width, height = pic.size
+    font_size = size if size else int(height / 5)
+    place = place if place else (width - font_size, 0)
+
+    drawer = ImageDraw.Draw(pic)
+    number_font = ImageFont.truetype('microsoft_yahei.TTF', font_size)
+    drawer.text(place, str(num), fill=(255, 0, 0), font=number_font)
+
+    pic.save('with_num.png')
+
+
+if __name__ == '__main__':
+    add_num('SLUG.png', 4)
diff --git a/Ma233/0000/microsoft_yahei.TTF b/Ma233/0000/microsoft_yahei.TTF
new file mode 100644
index 00000000..aa23ae1f
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