diff --git a/README.md b/README.md
index faf5d04..155b310 100644
--- a/README.md
+++ b/README.md
@@ -65,8 +65,8 @@ Training: **coming soon**
 <img width=24% src="./docs/img/zhuyin.webp"/>
 </div>
 <div>
-<img width=49% src="./docs/img/mama_mask_Trim_short.webp"/>
-<img width=49% src="./docs/img/mama_mask_wuyifan_Trim_short.webp"/>
+<img width=49% src="./docs/img/mama_mask_short.webp"/>
+<img width=49% src="./docs/img/mama_mask_wuyifan_short.webp"/>
 </div>
 
 ## Results
diff --git a/docs/img/mama_mask_Trim_short.webp b/docs/img/mama_mask_Trim_short.webp
deleted file mode 100644
index d878b8d..0000000
Binary files a/docs/img/mama_mask_Trim_short.webp and /dev/null differ
diff --git a/docs/img/mama_mask_short.webp b/docs/img/mama_mask_short.webp
new file mode 100644
index 0000000..cc7c210
Binary files /dev/null and b/docs/img/mama_mask_short.webp differ
diff --git a/docs/img/mama_mask_wuyifan_Trim_short.webp b/docs/img/mama_mask_wuyifan_Trim_short.webp
deleted file mode 100644
index f6a244d..0000000
Binary files a/docs/img/mama_mask_wuyifan_Trim_short.webp and /dev/null differ
diff --git a/docs/img/mama_mask_wuyifan_short.webp b/docs/img/mama_mask_wuyifan_short.webp
new file mode 100644
index 0000000..c423572
Binary files /dev/null and b/docs/img/mama_mask_wuyifan_short.webp differ
diff --git a/docs/index.html b/docs/index.html
index 7bc3b2a..2b48b1a 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -186,7 +186,7 @@
                     </div>
                 </div>
                 <div class="col-md-6 image-display2">
-                    <img id=mama src="./img/mama_mask_Trim_short.webp" />
+                    <img id=mama src="./img/mama_mask_short.webp" />
                 </div>
             </div>
         </div>
diff --git a/docs/js/which-image.js b/docs/js/which-image.js
index 9bc5c2f..867bf20 100644
--- a/docs/js/which-image.js
+++ b/docs/js/which-image.js
@@ -3,7 +3,7 @@
  * @Author: Ziang Liu
  * @Date: 2021-07-03 16:34:56
  * @LastEditors: AceSix
- * @LastEditTime: 2021-07-20 00:23:27
+ * @LastEditTime: 2021-07-20 00:46:27
  * Copyright (C) 2021 SJTU. All rights reserved.
  */
 
@@ -40,10 +40,10 @@ function select_source2(number) {
         }
     }
     if (item_id=='Iron_man'){
-        document.getElementById('mama').src = './img/mama_mask_Trim_short.webp';
+        document.getElementById('mama').src = './img/mama_mask_short.webp';
     }
     else{
-        document.getElementById('mama').src = './img/mama_mask_wuyifan_Trim_short.webp';
+        document.getElementById('mama').src = './img/mama_mask_wuyifan_short.webp';
 
     }