feat: add PubMed operator #918 (#1589)

### What problem does this PR solve?

feat: modify the translation of baiduDescription #918
feat: add PubMed operator #918
### Type of change


- [x] New Feature (non-breaking change which adds functionality)

web/src/pages/user-setting/setting-model/api-key-modal/index.tsx

@@ -77,7 +77,7 @@ const ApiKeyModal = ({
             <Input placeholder="https://api.openai.com/v1" />
           </Form.Item>
         )}
-        {llmFactory.toLowerCase() === 'Minimax'.toLowerCase() && (
+        {llmFactory?.toLowerCase() === 'Minimax'.toLowerCase() && (
           <Form.Item<FieldType> label={'Group ID'} name="group_id">
             <Input />
           </Form.Item>