diff --git a/update.md b/update.md
index 2da993e..b1d060b 100644
--- a/update.md
+++ b/update.md
@@ -6,6 +6,8 @@ Enhanced compatibility with Transformers
   - Resolved conflicts with other models requiring higher version transformers
   - Improved error handling and more user-friendly error messages
   - If you encounter issues, you can still revert to the recommended version: `pip install transformers==4.48.3`
+    
+  [transformers version compatibility](https://github.com/1038lab/ComfyUI-RMBG/blob/main/docs/version_compatibility.md)
 
 ## V2.1.0 (2025/03/19)
 ### New Features