[Bug] [TuGraph] When creating RuGraphRAG, no chunk node and document node was created

[FlintYu]

Search before asking

• I had searched in the issues and found no similar issues.

Operating system information

MacOS(M1, M2...)

Python version information

3.10

DB-GPT version

main

Related scenes

• Chat Data
• Chat Excel
• Chat DB
• Chat Knowledge
• Model Management
• Dashboard
• Plugins

Installation Information

• Installation From Source

• Docker Installation

• Docker Compose Installation

• Cluster Installation

• AutoDL Image

• Other

Device information

CPU

Models information

LLM:qwen-72B
embedding: bge-large-zh

What happened

创建TuGraph知识库的时候不会创建 chunk node 和 document node，
创建的结构如下

What you expected to happen

应该在创建完成后，创建chunk node 和 document node

How to reproduce

使用的Markdown文件如下构建TuGraph知识库
小红帽的故事.md

Additional context

No response

Are you willing to submit PR?

• Yes I am willing to submit a PR!

[Aries-ckt]

GRAPH_STORE_TYPE=TuGraph
TUGRAPH_HOST=127.0.0.1
TUGRAPH_PORT=7687
TUGRAPH_USERNAME=admin
TUGRAPH_PASSWORD=73@TuGraph
GRAPH_COMMUNITY_SUMMARY_ENABLED=True  # enable the graph community summary
TRIPLET_GRAPH_ENABLED=True  # enable the graph search for the triplets
DOCUMENT_GRAPH_ENABLED=True  # enable the graph search for documents and chunks
KNOWLEDGE_GRAPH_CHUNK_SEARCH_TOP_SIZE=5  # the number of the searched triplets in a retrieval
KNOWLEDGE_GRAPH_EXTRACTION_BATCH_SIZE=20  # the batch size of triplet extraction from the text

[FlintYu]

GRAPH_STORE_TYPE=TuGraph
TUGRAPH_HOST=127.0.0.1
TUGRAPH_PORT=7687
TUGRAPH_USERNAME=admin
TUGRAPH_PASSWORD=73@TuGraph
GRAPH_COMMUNITY_SUMMARY_ENABLED=True  # enable the graph community summary
TRIPLET_GRAPH_ENABLED=True  # enable the graph search for the triplets
DOCUMENT_GRAPH_ENABLED=True  # enable the graph search for documents and chunks
KNOWLEDGE_GRAPH_CHUNK_SEARCH_TOP_SIZE=5  # the number of the searched triplets in a retrieval
KNOWLEDGE_GRAPH_EXTRACTION_BATCH_SIZE=20  # the batch size of triplet extraction from the text

I have already set up

[Aries-ckt]

check your graph db schema?