Update update.md

Author: 1038lab

update.md

@@ -1,5 +1,9 @@
 # ComfyUI-RMBG Update Log
 
+## v2.2.1 (2025/04/05)
+- Bug Fixed
+
+
 ## v2.2.0 (2025/04/05)
 - Added the following nodes:
   - `Image Combiner`: Image Combiner, used to merge two images into one with various blending modes and positioning options.
@@ -9,6 +13,8 @@
   - `Mask Combiner`: Mask Combiner, used to combine multiple masks into one.
   - `Mask Extractor`: Mask Extractor, used to extract masks from images.
 
+![Comfyu-rmbg_v2 2 1_node_sample](https://github.com/user-attachments/assets/b3d2d1fb-d62f-488e-8938-94626a9b7b3a)
+
 ### Bug Fixes
 - Fixed compatibility issues with transformers version 4.49+ dependencies.
 - Fixed i18n translation errors in multiple languages.