Update README.md

update readme

Author: baixin513

README.md

@@ -38,12 +38,12 @@ Access MaxKB web interface at `http://your_server_ip:8080` with default admin cr
 
 <table style="border-collapse: collapse; border: 1px solid black;">
   <tr>
-    <td style="padding: 5px;background-color:#fff;"><img src= "https://maxkb.hk/images/overview.png" alt="MaxKB Demo1"   /></td>
-    <td style="padding: 5px;background-color:#fff;"><img src= "https://maxkb.hk/images/screenshot-models.png" alt="MaxKB Demo2"   /></td>
+    <td style="padding: 5px;background-color:#fff;"><img src= "https://github.com/user-attachments/assets/eb285512-a66a-4752-8941-c65ed1592238" alt="MaxKB Demo1"   /></td>
+    <td style="padding: 5px;background-color:#fff;"><img src= "https://github.com/user-attachments/assets/f732f1f5-472c-4fd2-93c1-a277eda83d04" alt="MaxKB Demo2"   /></td>
   </tr>
   <tr>
-    <td style="padding: 5px;background-color:#fff;"><img src= "https://maxkb.hk/images/screenshot-knowledge.png" alt="MaxKB Demo3"   /></td>
-    <td style="padding: 5px;background-color:#fff;"><img src= "https://maxkb.hk/images/screenshot-function.png" alt="MaxKB Demo4"   /></td>
+    <td style="padding: 5px;background-color:#fff;"><img src= "https://github.com/user-attachments/assets/c927474a-9a23-4830-822f-5db26025c9b2" alt="MaxKB Demo3"   /></td>
+    <td style="padding: 5px;background-color:#fff;"><img src= "https://github.com/user-attachments/assets/e6268996-a46d-4e58-9f30-31139df78ad2" alt="MaxKB Demo4"   /></td>
   </tr>
 </table>