update logo & copy button

web_ui.py

@@ -50,7 +50,7 @@ class WebUI:
             'name': agent.name,
             'avatar': chatbot_config.get(
                 'agent.avatar',
-                get_avatar_image(agent.name),
+                os.path.join(os.path.dirname(__file__), 'assets/logo.jpeg'),
             ),
             'description': agent.description or "I'm a helpful assistant.",
         } for agent in self.agent_list]
@@ -99,7 +99,7 @@ class WebUI:
                                           height=650,
                                           avatar_image_width=80,
                                           flushing=False,
-                                          show_copy_button=False,
+                                          show_copy_button=True,
                                           latex_delimiters=[{
                                               'left': '\\(',
                                               'right': '\\)',