diff --git a/lastleg-service/src/main/java/com/baiyue/lastleg/inboundplan/service/InboundPlanService.java b/lastleg-service/src/main/java/com/baiyue/lastleg/inboundplan/service/InboundPlanService.java
index 7fe420dee..761e892bb 100644
--- a/lastleg-service/src/main/java/com/baiyue/lastleg/inboundplan/service/InboundPlanService.java
+++ b/lastleg-service/src/main/java/com/baiyue/lastleg/inboundplan/service/InboundPlanService.java
@@ -533,7 +533,9 @@ public class InboundPlanService {
             wholePallets.add(sourcePallets);
             List<String> standardNos = "ONE_CLICK_DROPSHIP".equals(ref.orderType()) ? List.of()
                 : sourcePalletMapper.palletNos(ref.customerId(), ref.orderId());
-            if (sourcePallets == null && standardNos.isEmpty()) throw new ResponseStatusException(
+            boolean standardFba = sourcePallets == null && orders.stream()
+                .anyMatch(order -> trimToNull(order.fbaWarehouseCode()) != null);
+            if (standardFba && standardNos.isEmpty()) throw new ResponseStatusException(
                 HttpStatus.CONFLICT, "散货订单缺少头程托盘码快照");
             standardPalletNos.add(standardNos);
         }
diff --git a/lastleg-service/src/test/java/com/baiyue/lastleg/inboundplan/service/InboundPlanServiceTest.java b/lastleg-service/src/test/java/com/baiyue/lastleg/inboundplan/service/InboundPlanServiceTest.java
index 5e9c7725d..b6b616fe4 100644
--- a/lastleg-service/src/test/java/com/baiyue/lastleg/inboundplan/service/InboundPlanServiceTest.java
+++ b/lastleg-service/src/test/java/com/baiyue/lastleg/inboundplan/service/InboundPlanServiceTest.java
@@ -478,6 +478,41 @@ class InboundPlanServiceTest {
             .map(InboundPlanPalletAllocation::getPlannedPackageCount).toList());
     }
 
+    @Test
+    void standardOverseasContainerConversionAllowsMissingSourcePalletSnapshot() {
+        when(orderMapper.lockContainerOrders("BOOKING-1")).thenReturn(List.of(
+            new InboundPlanOrderMapper.ContainerOrderRef("100", 1L, "PENDING_ASSIGNMENT",
+                "MSCU6639870", "STANDARD")));
+        when(orderMapper.lockOrder("100", 1L)).thenReturn(List.of(order("100", 1L, "RK-1", "WH-A")));
+        when(sourcePalletMapper.palletNos("100", 1L)).thenReturn(List.of());
+        when(orderMapper.markPlanned(any(), any(), any(), org.mockito.ArgumentMatchers.anyInt(), any()))
+            .thenReturn(1);
+
+        var result = service.convertContainer("BOOKING-1");
+
+        assertEquals(1, result.size());
+        verify(planMapper).insert(any(InboundPlan.class));
+    }
+
+    @Test
+    void standardFbaContainerConversionStillRequiresSourcePalletSnapshot() {
+        when(orderMapper.lockContainerOrders("BOOKING-1")).thenReturn(List.of(
+            new InboundPlanOrderMapper.ContainerOrderRef("100", 1L, "PENDING_ASSIGNMENT",
+                "MSCU6639870", "STANDARD")));
+        SourceOrderSnapshot fba = new SourceOrderSnapshot(1L, "100", "MSCU6639870", "RK-1",
+            "PENDING_ASSIGNMENT", null, BigDecimal.ONE, 10, 1,
+            "193000000000200003", "US-LAX-01", "洛杉矶仓", "ABE3",
+            "FBA-1", "ABE3", "ABE3", 1, 0);
+        when(orderMapper.lockOrder("100", 1L)).thenReturn(List.of(fba));
+        when(sourcePalletMapper.palletNos("100", 1L)).thenReturn(List.of());
+
+        ResponseStatusException error = assertThrows(ResponseStatusException.class,
+            () -> service.convertContainer("BOOKING-1"));
+
+        assertEquals("散货订单缺少头程托盘码快照", error.getReason());
+        verify(planMapper, never()).insert(any(InboundPlan.class));
+    }
+
     @Test
     void invalidLaterOrderCausesNoWritesBecauseWholeContainerIsPrevalidated() {
         when(orderMapper.lockContainerOrders("BOOKING-1")).thenReturn(List.of(