diff --git a/README.md b/README.md
index 63d7e06..8693698 100644
--- a/README.md
+++ b/README.md
@@ -15,10 +15,10 @@ Currently, only the test code is available, and training scripts are coming soon
 
 [[Baidu Drive Paper link]](https://pan.baidu.com/s/1-TKFuycRNUKut8hn4IimvA) Password: ```ummt```
 
-![video2](/doc/img/njt7d-k3pqx.webp)
-![video3](/doc/img/hevpz-kjnkh.webp)
-![video4](/doc/img/w6ol6-cucqh.webp)
-![video5](/doc/img/zhuyin.webp)
+![video2](/doc/img/simswap6.gif)
+![video3](/doc/img/chenglong.gif)
+![video4](/doc/img/zhoujielun.gif)
+![video5](/doc/img/zhuyin.gif)
 
 ## Results
 ![Results1](/doc/img/results1.PNG)
diff --git a/doc/img/chenglong.gif b/doc/img/chenglong.gif
new file mode 100644
index 0000000..983b108
Binary files /dev/null and b/doc/img/chenglong.gif differ
diff --git a/doc/img/hevpz-kjnkh.webp b/doc/img/hevpz-kjnkh.webp
deleted file mode 100644
index 191172c..0000000
Binary files a/doc/img/hevpz-kjnkh.webp and /dev/null differ
diff --git a/doc/img/njt7d-k3pqx.webp b/doc/img/njt7d-k3pqx.webp
deleted file mode 100644
index 6c725b1..0000000
Binary files a/doc/img/njt7d-k3pqx.webp and /dev/null differ
diff --git a/doc/img/simswap6.gif b/doc/img/simswap6.gif
new file mode 100644
index 0000000..b3c98f5
Binary files /dev/null and b/doc/img/simswap6.gif differ
diff --git a/doc/img/w6ol6-cucqh.webp b/doc/img/w6ol6-cucqh.webp
deleted file mode 100644
index 68e4897..0000000
Binary files a/doc/img/w6ol6-cucqh.webp and /dev/null differ
diff --git a/doc/img/zhoujielun.gif b/doc/img/zhoujielun.gif
new file mode 100644
index 0000000..37d5093
Binary files /dev/null and b/doc/img/zhoujielun.gif differ
diff --git a/doc/img/zhuyin.gif b/doc/img/zhuyin.gif
new file mode 100644
index 0000000..10668f6
Binary files /dev/null and b/doc/img/zhuyin.gif differ
diff --git a/doc/img/zhuyin.webp b/doc/img/zhuyin.webp
deleted file mode 100644
index 9438c42..0000000
Binary files a/doc/img/zhuyin.webp and /dev/null differ
diff --git a/doc/ppt/simswap.png b/doc/ppt/simswap.png
new file mode 100644
index 0000000..8d21205
Binary files /dev/null and b/doc/ppt/simswap.png differ