### What problem does this PR solve?
fix: fixed the issue where parameters of DuckDuckGo could not be saved
to the backend after being dragged to the canvas #918
### Type of change
- [x] Bug Fix (non-breaking change which fixes an issue)
### What problem does this PR solve?
feat: add llm Select to KeywordExtractForm #918
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
feat: translate text from DuckDuckGo #918
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve?
feat: add KeywordExtractForm and BaiduForm and DuckDuckGoForm #918
### Type of change
- [x] New Feature (non-breaking change which adds functionality)
