diff --git a/models/contentunderstanding/readme.md b/models/contentunderstanding/readme.md
index c801ef307bf74432e5999e99cfc6436353bbf4cb..ef3fd88362bbffeb3c0abb233f0023e0eda7d18b 100644
--- a/models/contentunderstanding/readme.md
+++ b/models/contentunderstanding/readme.md
@@ -26,6 +26,7 @@
 | Classification | 文本分类 | [Convolutional neural networks for sentence classication (2014)](https://www.aclweb.org/anthology/D14-1181.pdf) |
 
 下面是每个模型的简介（注：图片引用自链接中的论文）
+
 [TagSpace模型](https://research.fb.com/publications/tagspace-semantic-embeddings-from-hashtags)
 <p align="center">
 <img align="center" src="../../doc/imgs/tagspace.png">
diff --git a/models/rank/readme.md b/models/rank/readme.md
index 35f4fec1e6e685536ec07499f5e9dacae1f381d7..326fb481356982dfb2acccaba670c072363bdb76 100755
--- a/models/rank/readme.md
+++ b/models/rank/readme.md
@@ -30,6 +30,7 @@
 | DIN | Deep Interest Network | [Deep Interest Network for Click-Through Rate Prediction](https://dl.acm.org/doi/pdf/10.1145/3219819.3219823)(2018) |
 
 下面是每个模型的简介（注：图片引用自链接中的论文）
+
 [wide&deep](https://dl.acm.org/doi/pdf/10.1145/2988450.2988454):
 <p align="center">
 <img align="center" src="../../doc/imgs/wide&deep.png">