diff --git a/firstleg/src/main/java/com/baiyue/firstleg/terminaldrayage/service/ContainerWorkbenchService.java b/firstleg/src/main/java/com/baiyue/firstleg/terminaldrayage/service/ContainerWorkbenchService.java
index 018f20be1..8c2fc4b0d 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/terminaldrayage/service/ContainerWorkbenchService.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/terminaldrayage/service/ContainerWorkbenchService.java
@@ -38,7 +38,6 @@ public class ContainerWorkbenchService {
 
     public WorkbenchItem domesticDetail(long id, Set<String> permissions) {
         ContainerBookingEntity value = required(id);
-        if (repository.departed(id)) throw new BizException(ResultCode.NOT_FOUND, "国内工作台货柜不存在");
         ContainerActualFacts facts = actualFacts(List.of(id)).get(id);
         return item("DOMESTIC", value, facts, null, permissions);
     }
diff --git a/firstleg/src/main/resources/openapi/firstleg-v1.yaml b/firstleg/src/main/resources/openapi/firstleg-v1.yaml
index 9701d1057..c2b48e20c 100644
--- a/firstleg/src/main/resources/openapi/firstleg-v1.yaml
+++ b/firstleg/src/main/resources/openapi/firstleg-v1.yaml
@@ -445,7 +445,7 @@ paths:
   /api/platform/v1/containers/domestic/{id}:
     get:
       summary: 查询国内货柜工作台详情
-      description: 需要 platform:firstleg:container:list；装柜清单只返回唯一loadingPlanId/planNo/planStatus关联
+      description: 需要 platform:firstleg:container:list；国内ACTIVE与HISTORY共用该只读详情，已真实离仓柜仍可打开；装柜清单只返回唯一loadingPlanId/planNo/planStatus关联
       parameters: [{$ref: '#/components/parameters/ContainerBookingId'}]
       responses: {'200': {description: 成功, content: {application/json: {schema: {$ref: '#/components/schemas/ContainerWorkbenchEnvelope'}}}}}
   /api/platform/v1/containers/overseas/{id}:
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/controller/ContainerControllerContractTest.java b/firstleg/src/test/java/com/baiyue/firstleg/controller/ContainerControllerContractTest.java
index e89e1e424..c272ef9e4 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/controller/ContainerControllerContractTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/controller/ContainerControllerContractTest.java
@@ -66,6 +66,7 @@ class ContainerControllerContractTest {
             .contains("/api/platform/v1/containers/{id}/ocean-booking-link:")
             .contains("/api/platform/v1/containers/domestic:")
             .contains("/api/platform/v1/containers/overseas:")
+            .contains("国内ACTIVE与HISTORY共用该只读详情，已真实离仓柜仍可打开")
             .contains("scope, in: query, required: true")
             .contains("首次关联允许 WAIT_LOADING 或已有预排货的 EDITING 模拟柜")
             .contains("RELEASED oceanBookingId")
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/terminaldrayage/service/ContainerWorkbenchServiceTest.java b/firstleg/src/test/java/com/baiyue/firstleg/terminaldrayage/service/ContainerWorkbenchServiceTest.java
index 89bdb28b8..0216d1caf 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/terminaldrayage/service/ContainerWorkbenchServiceTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/terminaldrayage/service/ContainerWorkbenchServiceTest.java
@@ -19,6 +19,7 @@ import java.util.List;
 import java.util.Set;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.Mockito.*;
 
@@ -83,6 +84,35 @@ class ContainerWorkbenchServiceTest {
         verifyNoInteractions(carrierSchedules);
     }
 
+    @Test
+    void domesticHistoryDetailKeepsTheDepartedContainerAndItsUniqueLoadingPlan() {
+        ContainerBookingEntity container = container();
+        container.setOutboundConfirmedAt(LocalDateTime.of(2026, 9, 8, 10, 0));
+        when(repository.find(11L)).thenReturn(container);
+        when(repository.departed(11L)).thenReturn(true);
+        when(carrierSchedules.containerActualFacts(List.of(11L))).thenReturn(List.of(facts("DEPARTED_WAREHOUSE")));
+
+        var result = service.domesticDetail(11L, Set.of("platform:firstleg:container:list"));
+
+        assertThat(result.workbenchStage()).isEqualTo("DEPARTED_WAREHOUSE");
+        assertThat(result.container().getPlanId()).isEqualTo(31L);
+        assertThat(result.container().getPlanNo()).isEqualTo("LP-260908-0001");
+        assertThat(result.allowedActions()).isEmpty();
+        verify(repository, never()).departed(11L);
+        verifyNoInteractions(terminalDrayages);
+    }
+
+    @Test
+    void domesticDetailStillRejectsContainersOutsideTheActiveMasterSet() {
+        when(repository.find(404L)).thenReturn(null);
+
+        assertThatThrownBy(() -> service.domesticDetail(404L, Set.of("platform:firstleg:container:list")))
+            .isInstanceOf(com.baiyue.common.core.exception.BizException.class)
+            .hasMessage("货柜不存在");
+
+        verifyNoInteractions(carrierSchedules, terminalDrayages);
+    }
+
     private static Query query(WorkbenchScope scope) {
         return new Query(null, null, null, null, null, null, null, null, null, null, null,
             null, null, null, scope, 1, 20);