diff --git a/lastleg-service/src/main/java/com/baiyue/lastleg/fleet/trip/FleetTripService.java b/lastleg-service/src/main/java/com/baiyue/lastleg/fleet/trip/FleetTripService.java
index 736accc84..d3cb48671 100644
--- a/lastleg-service/src/main/java/com/baiyue/lastleg/fleet/trip/FleetTripService.java
+++ b/lastleg-service/src/main/java/com/baiyue/lastleg/fleet/trip/FleetTripService.java
@@ -206,11 +206,36 @@ public class FleetTripService {
         try { if (bindings.insert(binding) != 1) throw conflict("排车单关联失败"); }
         catch (DuplicateKeyException duplicate) { throw conflict("排车单已关联其他车次，请刷新后重试"); }
         bookingReservations.bindIncoming(trip, dispatch, dispatches.sourceCargo(dispatch.dispatchNo()), operator);
+        var route = matchedStops(response(trip).stops(), dispatches.manifest(dispatch.dispatchNo(), false).cargo());
+        validatePlan(instant(trip.getPlannedDepartureAt()), instant(trip.getExpectedDriverEndAt()), route);
+        bookingReservations.requireRoute(trip, route);
+        trip.setStopsJson(write(route));
         dispatches.assign(dispatch, assignment(trip));
         persist(trip, request.recordVersion(), "BIND_DISPATCH", request.reason(), operator);
         return detail(trip);
     }
 
+    static List<FleetTripModels.Stop> matchedStops(List<FleetTripModels.Stop> existing, List<FleetExecutionModels.Cargo> cargo) {
+        // Keep established stop indexes/order: confirmed bookings may refer to them.
+        var result = new ArrayList<>(existing);
+        boolean onlyPlaceholder = existing.size() == 2 && existing.get(1).destinationKey() == null
+            && existing.get(1).name().startsWith("待确定卸货点");
+        if (onlyPlaceholder) result.remove(1);
+        var keys = new HashSet<String>();
+        for (var stop : result) if (stop.destinationKey() != null) keys.add(stop.destinationKey());
+        for (var item : cargo) {
+            if (item.destinationKey() == null || item.destinationKey().isBlank())
+                throw conflict("排车货物目的地未确认，请先完善排车单目的地");
+            if (keys.add(item.destinationKey())) {
+                if (item.destinationLabel() == null || item.destinationLabel().isBlank())
+                    throw conflict("排车货物目的地名称缺失，请先完善排车单");
+                result.add(new FleetTripModels.Stop(item.destinationLabel(), null, item.destinationKey()));
+            }
+        }
+        if (result.size() < 2) throw conflict("排车单没有可用卸货目的地");
+        return List.copyOf(result);
+    }
+
     @Transactional
     public FleetTripModels.Detail unbindDispatch(String tripNo, String operator, FleetTripModels.BindingCommand request) {
         var trip = planned(tripNo, request.recordVersion());
diff --git a/lastleg-service/src/main/resources/openapi/fleet-trips-v1.yaml b/lastleg-service/src/main/resources/openapi/fleet-trips-v1.yaml
index 6ff58f439..66262cf51 100644
--- a/lastleg-service/src/main/resources/openapi/fleet-trips-v1.yaml
+++ b/lastleg-service/src/main/resources/openapi/fleet-trips-v1.yaml
@@ -220,7 +220,7 @@ paths:
     parameters: [{$ref: '#/components/parameters/TripNo'}]
     post:
       summary: 将客户排车单关联到车次
-      description: '权限：platform:fleet:trip:edit；按业务单号解析客户归属，同仓且未开工；关联和车/司机快照同步原子提交。'
+      description: '权限：platform:fleet:trip:edit；按业务单号解析客户归属，同仓且未开工；关联、车/司机快照同步及按真实货物目的地标识补齐卸货站原子提交；目的地缺失拒绝关联，已有有效站点顺序与索引保留，初始默认占位站替换为真实目的地。'
       requestBody: {required: true, content: {application/json: {schema: {$ref: '#/components/schemas/BindingCommand'}}}}
       responses: {'200': {$ref: '#/components/responses/Detail'}}
   /api/platform/v1/last-leg/fleet/trips/{tripNo}/dispatches/unbind:
diff --git a/lastleg-service/src/test/java/com/baiyue/lastleg/fleet/trip/FleetTripMatchedStopsTest.java b/lastleg-service/src/test/java/com/baiyue/lastleg/fleet/trip/FleetTripMatchedStopsTest.java
new file mode 100644
index 000000000..b2453115b
--- /dev/null
+++ b/lastleg-service/src/test/java/com/baiyue/lastleg/fleet/trip/FleetTripMatchedStopsTest.java
@@ -0,0 +1,25 @@
+package com.baiyue.lastleg.fleet.trip;
+import org.junit.jupiter.api.Test;
+import java.util.List;
+import static org.assertj.core.api.Assertions.*;
+class FleetTripMatchedStopsTest {
+    private FleetExecutionModels.Cargo cargo(String key, String label) {
+        return new FleetExecutionModels.Cargo("DP-1", "A", "1", "2", "PLT-1", 1, key, label);
+    }
+    @Test void replacesOnlyInitialPlaceholderAndDeduplicatesByIdentity() {
+        var origin = new FleetTripModels.Stop("起运仓", null, null);
+        var result = FleetTripService.matchedStops(List.of(origin, new FleetTripModels.Stop("待确定卸货点1", null, null)),
+            List.of(cargo("FBA:ACY2", "ACY2"), cargo("FBA:ACY2", "ACY2")));
+        assertThat(result).containsExactly(origin, new FleetTripModels.Stop("ACY2", null, "FBA:ACY2"));
+    }
+    @Test void preservesExistingStopIndexesAndAppendsDifferentIdentityEvenWhenNamesMatch() {
+        var existing = List.of(new FleetTripModels.Stop("起点", null, null), new FleetTripModels.Stop("ACY2", null, "FBA:ACY2"));
+        var result = FleetTripService.matchedStops(existing, List.of(cargo("PRIVATE:OTHER", "ACY2")));
+        assertThat(result.subList(0,2)).isEqualTo(existing);
+        assertThat(result.get(2).destinationKey()).isEqualTo("PRIVATE:OTHER");
+    }
+    @Test void rejectsMissingIdentityWithoutUsingDisplayNameAsKey() {
+        assertThatThrownBy(() -> FleetTripService.matchedStops(List.of(new FleetTripModels.Stop("起点", null, null)), List.of(cargo(null,"ACY2"))))
+            .hasMessageContaining("目的地未确认");
+    }
+}