fix: default assistant name is empty

src/renderer/src/pages/home/components/Assistants.tsx

@@ -96,7 +96,7 @@ const Assistants: FC<Props> = ({ activeAssistant, setActiveAssistant, onCreateAs
                         <AssistantItem
                           onClick={() => onSwitchAssistant(assistant)}
                           className={assistant.id === activeAssistant?.id ? 'active' : ''}>
-                          <AssistantName>{assistant.name}</AssistantName>
+                          <AssistantName>{assistant.name || t('assistant.default.name')}</AssistantName>
                         </AssistantItem>
                       </Dropdown>
                     </div>

src/renderer/src/pages/home/components/NavigationCenter.tsx

@@ -44,7 +44,7 @@ const NavigationCenter: FC<Props> = ({ activeAssistant }) => {
           <i className="iconfont icon-showsidebarhoriz" />
         </NewButton>
       )}
-      <AssistantName>{assistant?.name}</AssistantName>
+      <AssistantName>{assistant?.name || t('assistant.default.name')}</AssistantName>
       <DropdownMenu menu={{ items, style: { maxHeight: '80vh', overflow: 'auto' } }} trigger={['click']}>
         <DropdownButton size="small" type="primary" ghost>
           {model ? upperFirst(model.name) : t('button.select_model')}