docs: update readme

README.md

@@ -6,11 +6,62 @@ https://github.com/bluelovers/sd-webui-pnginfo-beautify
 
 ![img.png](docs/img.png)
 
-A custom extension for [AUTOMATIC1111/stable-diffusion-webui](https://github.com/AUTOMATIC1111/stable-diffusion-webui)
-or [lllyasviel/stable-diffusion-webui-forge](https://github.com/lllyasviel/stable-diffusion-webui-forge)
+This extension is designed to enhance the user experience and performance of
+the [AUTOMATIC1111/stable-diffusion-webui](https://github.com/AUTOMATIC1111/stable-diffusion-webui)
+or [lllyasviel/stable-diffusion-webui-forge](https://github.com/lllyasviel/stable-diffusion-webui-forge) projects.
 
 fork from [lobehub/sd-webui-lobe-theme](https://github.com/lobehub/sd-webui-lobe-theme)
 do not install with lobe theme at same time
 
 I like the lobe theme, but it slows down and freezes the UI very much.
 
+## Feature
+
+The extension provides additional features and improvements to the Stable Diffusion WebUI, such as:
+
+### Supported tabs
+
+see https://github.com/bluelovers/sd-webui-pnginfo-beautify/blob/dev/src/const.ts
+
+- txt2img
+- img2img
+- PNG info
+- Extras
+- [Replacer](https://github.com/light-and-ray/sd-webui-replacer)
+
+### Supported fields
+
+see https://github.com/bluelovers/sd-webui-pnginfo-beautify/blob/dev/src/row-config.ts
+
+#### SyntaxHighlighter
+
+- Positive Prompt
+- Negative Prompt
+- sv_prompt
+- Template
+- Template Generated
+
+#### hashes
+
+- TI hashes
+- Lora hashes
+
+#### Searchs
+
+- Model hash
+- Model
+- VAE hash
+- VAE
+- ADetailer model
+
+#### Others
+
+- Show/Hide Original pnginfo
+
+## Known issues
+
+- Old installations may have a bug that prevents updating to the new version. To resolve this issue, follow these steps:
+    1. Close Stable Diffusion WebUI.
+    2. Delete the extension folder.
+    3. Restart Stable Diffusion WebUI.
+    4. Reinstall the extension.