From 66502ae505a1cc7eb1101176a380a235da5a4fb0 Mon Sep 17 00:00:00 2001
From: Zhaowenlong <zhaowenlong@gdngsk.com>
Date: Mon, 1 Jun 2026 10:14:50 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=88=B7=E6=96=B0=E6=94=AF=E6=92=91?=
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---
 src/Mod/FreeCADExchange/RoutingNetwork.py     | 21 +++++++++-
 .../freecad_exchange_auto_routing_test.py     | 38 +++++++++++++++++++
 2 files changed, 57 insertions(+), 2 deletions(-)

diff --git a/src/Mod/FreeCADExchange/RoutingNetwork.py b/src/Mod/FreeCADExchange/RoutingNetwork.py
index 1bc4109..84ac1cc 100644
--- a/src/Mod/FreeCADExchange/RoutingNetwork.py
+++ b/src/Mod/FreeCADExchange/RoutingNetwork.py
@@ -1574,6 +1574,7 @@ def _mark_support_surface_source(source, carriers):
             "Generated route carrier for this source",
             getattr(carriers[0], "Name", ""),
         )
+        _remember_source_carriers(source, carriers)
     except Exception:
         pass
 
@@ -1797,8 +1798,6 @@ def create_surface_carriers_from_document(
     """Auto-detect thin support panels and create low-priority RoutingRange grids."""
     created = []
     for source in detect_support_surface_sources(doc):
-        if _live_source_carrier(doc, source) is not None:
-            continue
         bbox = _bound_box_from_object(source)
         if bbox is None:
             continue
@@ -1809,6 +1808,24 @@ def create_surface_carriers_from_document(
             offset=offset,
             margin=margin,
         )
+        live_carriers = _live_source_carriers(doc, source)
+        if live_carriers:
+            updated = []
+            for carrier, points in zip(live_carriers, grids):
+                if _update_route_carrier(
+                    carrier,
+                    points,
+                    project_uuid=project_uuid,
+                    kind=ROUTE_CARRIER_KIND_ROUTING_RANGE,
+                ):
+                    updated.append(carrier)
+            if updated:
+                _mark_support_surface_source(source, updated)
+                try:
+                    doc.recompute()
+                except Exception:
+                    pass
+            continue
         source_created = []
         label = getattr(source, "Label", "") or getattr(source, "Name", "") or "Support Surface"
         for index, points in enumerate(grids, start=1):
diff --git a/tests/python/freecad_exchange_auto_routing_test.py b/tests/python/freecad_exchange_auto_routing_test.py
index 327b2b4..a554259 100644
--- a/tests/python/freecad_exchange_auto_routing_test.py
+++ b/tests/python/freecad_exchange_auto_routing_test.py
@@ -851,6 +851,44 @@ class AutoRoutingTest(unittest.TestCase):
         self.assertFalse(hasattr(cabinet, "QetRoutingSourceKind"))
         self.assertFalse(hasattr(duct, "QetRoutingSourceKind"))
 
+    def test_auto_detect_support_surface_refreshes_routing_range_geometry(self):
+        _install_fake_freecad()
+        terminal_objects, _wiring_objects, routing_network, _auto_routing = _reload_modules()
+        doc = FakeDocument()
+        terminal_objects.ensure_root_group(doc, "project-1")
+        panel = doc.addObject("Part::Feature", "MountingPlateA")
+        panel.Label = "安装板A"
+        panel.Shape = FakeShape(FakeBoundBox(0, 120, 0, 5, 0, 100))
+
+        created = routing_network.create_surface_carriers_from_document(
+            doc,
+            project_uuid="project-1",
+            spacing=60.0,
+            offset=5.0,
+            margin=0.0,
+        )
+        panel.Shape = FakeShape(FakeBoundBox(20, 140, 0, 5, 0, 100))
+        created_again = routing_network.create_surface_carriers_from_document(
+            doc,
+            project_uuid="project-1",
+            spacing=60.0,
+            offset=5.0,
+            margin=0.0,
+        )
+        carriers = routing_network.collect_route_carriers(doc)
+        x_values = [
+            point.x
+            for carrier in carriers
+            if getattr(carrier, "QetRouteCarrierKind", "") == "RoutingRange"
+            for point in carrier.Points
+        ]
+
+        self.assertEqual(6, len(created))
+        self.assertEqual(0, len(created_again))
+        self.assertEqual(6, len([carrier for carrier in carriers if carrier.QetRouteCarrierKind == "RoutingRange"]))
+        self.assertEqual(20.0, min(x_values))
+        self.assertEqual(140.0, max(x_values))
+
     def test_eplan_connection_route_can_use_auto_detected_support_surface(self):
         _install_fake_freecad()
         terminal_objects, _wiring_objects, routing_network, auto_routing = _reload_modules()