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diff --git a/models/contentunderstanding/readme.md b/models/contentunderstanding/readme.md
index 792518389cdfcc860ba31b14c1755a9964ea32bf..c801ef307bf74432e5999e99cfc6436353bbf4cb 100644
--- a/models/contentunderstanding/readme.md
+++ b/models/contentunderstanding/readme.md
@@ -25,6 +25,7 @@
| TagSpace | 标签推荐 | [TagSpace: Semantic Embeddings from Hashtags (2014)](https://research.fb.com/publications/tagspace-semantic-embeddings-from-hashtags/) |
| 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)
diff --git a/models/rank/readme.md b/models/rank/readme.md
index 66f7e4969c450e50bfce22e925d30cc9192e2cfa..35f4fec1e6e685536ec07499f5e9dacae1f381d7 100755
--- a/models/rank/readme.md
+++ b/models/rank/readme.md
@@ -29,29 +29,30 @@
| xDeepFM | xDeepFM | [xDeepFM: Combining Explicit and Implicit Feature Interactions for Recommender Systems](https://dl.acm.org/doi/pdf/10.1145/3219819.3220023)(2018) |
| 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):
-
+
[DeepFM](https://arxiv.org/pdf/1703.04247.pdf):
-
+
[XDeepFM](https://dl.acm.org/doi/pdf/10.1145/3219819.3220023):
-
+
[DCN](https://dl.acm.org/doi/pdf/10.1145/3124749.3124754):
-
+
[DIN](https://dl.acm.org/doi/pdf/10.1145/3219819.3219823):
-
+
## 使用教程