diff --git a/backend/routers/system.py b/backend/routers/system.py
index b7c4471..750b84e 100644
--- a/backend/routers/system.py
+++ b/backend/routers/system.py
@@ -1,5 +1,6 @@
"""F 组：系统（4 个端点）"""
import os
+import sys
import time
from pathlib import Path
@@ -20,7 +21,7 @@ async def health_check():
load_dotenv(env_path, override=False)
mineru_python = Path(os.getenv("MINERU_PYTHON", str(Path(__file__).parent.parent.parent / "mineru_mvp" / ".venv" / "bin" / "python")))
- backend_python = Path(__file__).parent.parent / ".venv" / "bin" / "python"
+ backend_python = Path(os.getenv("LANGEXTRACT_PYTHON", str(Path(sys.executable))))
deepseek_key = os.getenv("DEEPSEEK_API_KEY", "")
deepseek_url = os.getenv("DEEPSEEK_BASE_URL", "https://api.deepseek.com")
@@ -133,9 +134,10 @@ async def get_demo_data():
edges = fs.load_kg_edges()
if not nodes:
- # Fallback: load from existing graphrag_pipeline output
- legacy_nodes_path = Path(__file__).parent.parent.parent / "backend" / "output" / "kg_nodes.json"
- legacy_edges_path = Path("F:/GraphRAGAgent/graphrag_pipeline/output/kg_edges.json")
+ # Fallback: load from backend/output/ directory
+ legacy_output = Path(__file__).parent.parent / "output"
+ legacy_nodes_path = legacy_output / "kg_nodes.json"
+ legacy_edges_path = legacy_output / "kg_edges.json"
if legacy_nodes_path.exists():
import json
nodes = json.loads(legacy_nodes_path.read_text(encoding="utf-8"))
diff --git a/frontend/index.html b/frontend/index.html
index 1f4095b..ae5561c 100644
--- a/frontend/index.html
+++ b/frontend/index.html
@@ -4,7 +4,7 @@
- 构建产品原型
+ GraphRAG Studio