diff --git a/firstleg/src/test/java/com/baiyue/firstleg/sailingcalendar/service/SailingCalendarServiceTest.java b/firstleg/src/test/java/com/baiyue/firstleg/sailingcalendar/service/SailingCalendarServiceTest.java
index 1c7a8635a..8381c951c 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/sailingcalendar/service/SailingCalendarServiceTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/sailingcalendar/service/SailingCalendarServiceTest.java
@@ -13,6 +13,7 @@ import org.mockito.MockitoAnnotations;
 
 import java.math.BigDecimal;
 import java.time.LocalDateTime;
+import java.time.ZoneId;
 import java.util.List;
 
 import static org.assertj.core.api.Assertions.assertThat;
@@ -25,6 +26,7 @@ import static org.mockito.Mockito.when;
 class SailingCalendarServiceTest {
     @Mock private SailingCalendarRepository repository;
     @InjectMocks private SailingCalendarService service;
+    private final LocalDateTime copiedDeparture = LocalDateTime.now(ZoneId.of("Asia/Shanghai")).plusDays(14);
 
     @BeforeEach
     void setUp() {
@@ -33,8 +35,8 @@ class SailingCalendarServiceTest {
 
     @Test
     void replaysAnExistingCopyInsteadOfReturningAnInternalError() {
-        SailingEntity source = sailing(1L, "SL-SOURCE", "MANUAL", "QA-20261005", LocalDateTime.of(2026, 10, 5, 10, 0));
-        SailingEntity existing = sailing(2L, "SL-COPY", "COPY", "QA-20261005", LocalDateTime.of(2026, 10, 12, 10, 0));
+        SailingEntity source = sailing(1L, "SL-SOURCE", "MANUAL", "QA-20261005", copiedDeparture.minusDays(7));
+        SailingEntity existing = sailing(2L, "SL-COPY", "COPY", "QA-20261005", copiedDeparture);
         SailingHistoryEntity history = new SailingHistoryEntity();
         history.setAction("COPY"); history.setReason("复制自SL-SOURCE"); history.setSailingId(2L);
         when(repository.sailing(1L)).thenReturn(source);
@@ -45,7 +47,7 @@ class SailingCalendarServiceTest {
         when(repository.bookingSummary(any(SailingEntity.class))).thenReturn(null);
 
         var result = service.copy(1L, 7L, "admin",
-            new CopyRequest(existing.getEtdAt(), LocalDateTime.of(2026, 10, 9, 18, 0)));
+            new CopyRequest(existing.getEtdAt(), copiedDeparture.minusDays(3)));
 
         assertThat(result.sailing().id()).isEqualTo(2L);
         verify(repository, never()).insert(any(SailingEntity.class));
@@ -53,13 +55,13 @@ class SailingCalendarServiceTest {
 
     @Test
     void reportsBusinessConflictForAnUnrelatedExistingSailing() {
-        SailingEntity source = sailing(1L, "SL-SOURCE", "MANUAL", "QA-20261005", LocalDateTime.of(2026, 10, 5, 10, 0));
-        SailingEntity existing = sailing(2L, "SL-OTHER", "TEMPLATE", "QA-20261005", LocalDateTime.of(2026, 10, 12, 10, 0));
+        SailingEntity source = sailing(1L, "SL-SOURCE", "MANUAL", "QA-20261005", copiedDeparture.minusDays(7));
+        SailingEntity existing = sailing(2L, "SL-OTHER", "TEMPLATE", "QA-20261005", copiedDeparture);
         when(repository.sailing(1L)).thenReturn(source);
         when(repository.sailingByBusinessKey(8L, "MATSON", "CNNGB", "USLGB", existing.getEtdAt(), "QA-20261005")).thenReturn(existing);
 
         assertThatThrownBy(() -> service.copy(1L, 7L, "admin",
-            new CopyRequest(existing.getEtdAt(), LocalDateTime.of(2026, 10, 9, 18, 0))))
+            new CopyRequest(existing.getEtdAt(), copiedDeparture.minusDays(3))))
             .isInstanceOf(BizException.class)
             .hasMessageContaining("已存在航次 QA-20261005");
         verify(repository, never()).insert(any(SailingEntity.class));
@@ -67,11 +69,11 @@ class SailingCalendarServiceTest {
 
     @Test
     void rejectsCutoffAtOrAfterCopiedDeparture() {
-        SailingEntity source = sailing(1L, "SL-SOURCE", "MANUAL", "QA-20261005", LocalDateTime.of(2026, 10, 5, 10, 0));
+        SailingEntity source = sailing(1L, "SL-SOURCE", "MANUAL", "QA-20261005", copiedDeparture.minusDays(7));
         when(repository.sailing(1L)).thenReturn(source);
 
         assertThatThrownBy(() -> service.copy(1L, 7L, "admin",
-            new CopyRequest(LocalDateTime.of(2026, 10, 12, 10, 0), LocalDateTime.of(2026, 10, 12, 10, 0))))
+            new CopyRequest(copiedDeparture, copiedDeparture)))
             .isInstanceOf(BizException.class)
             .hasMessageContaining("收货截止必须早于开船");
         verify(repository, never()).insert(any(SailingEntity.class));