diff --git a/configs/selfsup/cae/RAEDME.md b/configs/selfsup/cae/RAEDME.md
index 205855ba7..a79750ece 100644
--- a/configs/selfsup/cae/RAEDME.md
+++ b/configs/selfsup/cae/RAEDME.md
@@ -13,6 +13,10 @@ We present a novel masked image modeling (MIM) approach, context autoencoder (CA
 </div>
 
 
+## Prerequisite
+
+Create a new folder ``cae_ckpt`` under the root directory and download the
+[weights](https://download.openmmlab.com/mmselfsup/cae/dalle_encoder.pth) for ``dalle`` encoder to that folder
 ## Models and Benchmarks
 
 Here, we report the results of the model, which is pre-trained on ImageNet-1k
diff --git a/docs/en/algorithms/cae.md b/docs/en/algorithms/cae.md
index 205855ba7..a79750ece 100644
--- a/docs/en/algorithms/cae.md
+++ b/docs/en/algorithms/cae.md
@@ -13,6 +13,10 @@ We present a novel masked image modeling (MIM) approach, context autoencoder (CA
 </div>
 
 
+## Prerequisite
+
+Create a new folder ``cae_ckpt`` under the root directory and download the
+[weights](https://download.openmmlab.com/mmselfsup/cae/dalle_encoder.pth) for ``dalle`` encoder to that folder
 ## Models and Benchmarks
 
 Here, we report the results of the model, which is pre-trained on ImageNet-1k
diff --git a/docs/zh_cn/algorithms/cae.md b/docs/zh_cn/algorithms/cae.md
index 205855ba7..a79750ece 100644
--- a/docs/zh_cn/algorithms/cae.md
+++ b/docs/zh_cn/algorithms/cae.md
@@ -13,6 +13,10 @@ We present a novel masked image modeling (MIM) approach, context autoencoder (CA
 </div>
 
 
+## Prerequisite
+
+Create a new folder ``cae_ckpt`` under the root directory and download the
+[weights](https://download.openmmlab.com/mmselfsup/cae/dalle_encoder.pth) for ``dalle`` encoder to that folder
 ## Models and Benchmarks
 
 Here, we report the results of the model, which is pre-trained on ImageNet-1k