diff --git a/tools/infer/utility.py b/tools/infer/utility.py
index 43e68ea5f7b4dce20fa32b98b2f125ad392e3da6..c7bb5876f3acddff23e2a6318baaf7fa4f73ff33 100755
--- a/tools/infer/utility.py
+++ b/tools/infer/utility.py
@@ -176,12 +176,14 @@ def draw_ocr(image, boxes, txts, scores, draw_txt=True, drop_score=0.5):
                 "./doc/simfang.ttf", font_size, encoding="utf-8")
             new_txt = str(count) + ':  ' + txt + '    ' + '%.3f' % (
                 scores[count])
-            while len(new_txt) > 25:
+            while len(new_txt) > 28:
                 tmp = new_txt
-                new_txt = tmp[:25]
+                new_txt = tmp[:28]
                 draw_txt.text(
                     (20, gap * (count + 1)), new_txt, txt_color, font=font)
-                new_txt = tmp[25:]
+                new_txt = tmp[28:]
+                count += 1
+
             draw_txt.text(
                 (20, gap * (count + 1)), new_txt, txt_color, font=font)
             count += 1