Update README.md

README.md

@@ -190,6 +190,14 @@ optional parameters:
 
 ## ❓ FAQ
 
+<details>
+    <summary><b>Solve foot sliding issue</b></summary>
+
+ If your demo results have a severe issue on foot sliding, please take a look to the below. It could happen when ``self.feats2joints`` (use mean and std for de-normalization) is broken. 
+ https://github.com/ChenFengYe/motion-latent-diffusion/blob/af507c479d771f62a058b5b6abb51276b36d6c6d/mld/models/modeltype/mld.py#L264
+
+</details>
+
 <details>
   <summary><b>Details of training</b></summary>