### What problem does this PR solve? #2247 ### Type of change - [x] New Feature (non-breaking change which adds functionality)
### What problem does this PR solve? fix: Use wrong variable in graph rag step. ### Type of change - [x] Bug Fix (non-breaking change which fixes an issue) Co-authored-by: 陈晓强 <chenxiaoqiang@cvte.com>
### What problem does this PR solve? #1594 ### Type of change - [x] New Feature (non-breaking change which adds functionality)