diff --git a/demo/docs/ocr_demo.md b/demo/docs/ocr_demo.md
index 98b33c36..dfad081d 100644
--- a/demo/docs/ocr_demo.md
+++ b/demo/docs/ocr_demo.md
@@ -1,8 +1,7 @@
## OCR End2End Demo
-

-
+
### End-to-End Test Image Demo
diff --git a/demo/docs/text_det_demo.md b/demo/docs/text_det_demo.md
index 7b53ac67..2e0ecc6d 100644
--- a/demo/docs/text_det_demo.md
+++ b/demo/docs/text_det_demo.md
@@ -1,7 +1,7 @@
## Text Detection Demo
-

+
diff --git a/demo/docs/text_recog_demo.md b/demo/docs/text_recog_demo.md
index 67051fbd..35775f9a 100644
--- a/demo/docs/text_recog_demo.md
+++ b/demo/docs/text_recog_demo.md
@@ -1,7 +1,7 @@
## Text Recognition Demo
-

+