diff --git a/__pycache__/mcp_server.cpython-310.pyc b/__pycache__/mcp_server.cpython-310.pyc
index 0d8d94d1..42430b61 100644
Binary files a/__pycache__/mcp_server.cpython-310.pyc and b/__pycache__/mcp_server.cpython-310.pyc differ
diff --git a/mcp_server.py b/mcp_server.py
index c0e22a26..82c7d823 100644
--- a/mcp_server.py
+++ b/mcp_server.py
@@ -1494,7 +1494,11 @@ async def handle_get_concept_details(args: Dict[str, Any]) -> Any:
 
 async def handle_get_stock_concepts(args: Dict[str, Any]) -> Any:
     """处理股票概念获取"""
-    stock_code = args["stock_code"]
+    # 兼容不同的参数名: stock_code, seccode, code
+    stock_code = args.get("stock_code") or args.get("seccode") or args.get("code")
+    if not stock_code:
+        raise ValueError("缺少股票代码参数 (stock_code/seccode/code)")
+
     params = {
         "size": args.get("size", 50),
         "sort_by": args.get("sort_by", "stock_count"),
@@ -1503,6 +1507,7 @@ async def handle_get_stock_concepts(args: Dict[str, Any]) -> Any:
     if args.get("trade_date"):
         params["trade_date"] = args["trade_date"]
 
+    logger.info(f"[get_stock_concepts] 查询股票 {stock_code} 的概念")
     response = await HTTP_CLIENT.get(
         f"{ServiceEndpoints.CONCEPT_API}/stock/{stock_code}/concepts",
         params=params