diff --git a/main.py b/main.py
index 935f1b0..4bf5636 100644
--- a/main.py
+++ b/main.py
@@ -16,6 +16,7 @@ import threading
 from multiprocessing import Value
 from fastapi.middleware.cors import CORSMiddleware
 import random
+import logging
 
 JUNCTION = 0
 RESERVOIR = 1
@@ -38,6 +39,10 @@ if not os.path.exists(tmpDir):
 
 app = FastAPI()
 
+# 配置日志记录器
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+
 # 配置 CORS 中间件
 app.add_middleware(
     CORSMiddleware,
@@ -1409,7 +1414,7 @@ async def fastapi_get_network_coords(network: str) -> list[str] | None:
 @app.get("/getmajornodecoords/")
 async def fastapi_get_major_node_coords(network: str, diameter: int) -> list[str] | None:
     coords = get_major_node_coords(network, diameter)
-    print(coords)
+    logger.info("get_major_node_coords: %s", coords)
     result = []
     for node_id, coord in coords.items():
         result.append(f"{node_id}:{coord['type']}:{coord['x']}:{coord['y']}")