Update README.md

Author: AiQL.com

README.md

@@ -9,7 +9,7 @@ By simplifying the structure and key functions, developers can quickly set up an
 ## How to use
 
 ### Option 1: Goto demo [AIQL](https://chat.aiql.com/)
-> The demo will use `Llama 3.1 8B` by default
+> The demo will use `Llama 3.1` by default
 
 ### Option 2: Download [Index](./index.html) and open it locally (recommended)