diff --git a/app/models.py b/app/models.py
index c038de3..ce7cc78 100644
--- a/app/models.py
+++ b/app/models.py
@@ -1529,7 +1529,7 @@ class RoadNet:
         # 第一个点，取一定距离的上游几何点
         pt0 = road_from.path[0]
         # pt1 = self.query_cross(road_from.crossid_to).location
-        pt1 = road_from.path[-1]
+        pt1 = road_from.get_head_down_pt()
         # pt2 = self.query_cross(road_to.crossid_from).location
         pt2 = road_to.path[-1]
         # 最后一个点，取一定距离的下游几何点