diff --git a/app/api/v1/endpoints/network/regions.py b/app/api/v1/endpoints/network/regions.py
index 1097ca5..61c84f0 100644
--- a/app/api/v1/endpoints/network/regions.py
+++ b/app/api/v1/endpoints/network/regions.py
@@ -474,11 +474,11 @@ async def fastapi_generate_service_area(
 @router.get(
     "/calculatevirtualdistrict/",
     summary="计算虚拟分区",
-    description="根据指定的中心节点计算虚拟分区方案"
+    description="根据指定的压力监测节点作为中心节点计算虚拟分区方案"
 )
 async def fastapi_calculate_virtual_district(
     network: str = Query(..., description="管网名称（或数据库名称）"),
-    centers: list[str] = Query(..., description="中心节点ID列表")
+    centers: list[str] = Query(..., description="压力监测节点ID列表")
 ) -> dict[str, list[Any]]:
     """计算虚拟分区。"""
     return calculate_virtual_district(network, centers)