update graph model

config/graph/configs/dbgpt-graphrag.toml

@@ -61,13 +61,17 @@ password="73@TuGraph"
 # Model Configurations
 [models]
 [[models.llms]]
-name = "${env:LLM_MODEL_NAME:-gpt-4o}"
-provider = "${env:LLM_MODEL_PROVIDER:-proxy/openai}"
-api_base = "${env:OPENAI_API_BASE:-https://api.openai.com/v1}"
-api_key = "${env:OPENAI_API_KEY}"
+name = "Qwen/Qwen2.5-Coder-32B-Instruct"
+provider = "proxy/siliconflow"
+api_key = "${env:SILICONFLOW_API_KEY}"
 
 [[models.embeddings]]
-name = "${env:EMBEDDING_MODEL_NAME:-text-embedding-3-small}"
-provider = "${env:EMBEDDING_MODEL_PROVIDER:-proxy/openai}"
-api_url = "${env:EMBEDDING_MODEL_API_URL:-https://api.openai.com/v1/embeddings}"
-api_key = "${env:OPENAI_API_KEY}"
+name = "BAAI/bge-m3"
+provider = "proxy/siliconflow"
+api_key = "${env:SILICONFLOW_API_KEY}"
+
+[[models.rerankers]]
+type = "reranker"
+name = "BAAI/bge-reranker-v2-m3"
+provider = "proxy/siliconflow"
+api_key = "${env:SILICONFLOW_API_KEY}"
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