diff --git a/firstleg/src/main/java/com/baiyue/firstleg/repository/FbaPricingRepository.java b/firstleg/src/main/java/com/baiyue/firstleg/repository/FbaPricingRepository.java
index 73e311255..dbeba115d 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/repository/FbaPricingRepository.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/repository/FbaPricingRepository.java
@@ -294,9 +294,9 @@ public class FbaPricingRepository {
             .eq(InboundPricingEntity::getTenantId, tenantId)
             .eq(InboundPricingEntity::getId, inboundId)
             .eq(InboundPricingEntity::getProcessStatus, processStatus)
-            .in(InboundPricingEntity::getFeeStatus, List.of("UNPRICED", "CALCULATED"))
+            .in(InboundPricingEntity::getFeeStatus, List.of("UNPRICED", "CALCULATED", "SENT"))
             .set(InboundPricingEntity::getFeeStatus, "CALCULATED");
-        if (!"WAIT_SPLIT".equals(processStatus)) {
+        if (!List.of("WAIT_PALLET", "WAIT_SPLIT", "LOADING").contains(processStatus)) {
             update.set(InboundPricingEntity::getProcessStatus, "FEE_CONFIRMING");
         }
         if ("KG".equals(chargeMode)) update.set(InboundPricingEntity::getChargeableWeightKg, chargeable);
@@ -317,7 +317,7 @@ public class FbaPricingRepository {
         return inbounds.update(null, new LambdaUpdateWrapper<InboundPricingEntity>()
             .eq(InboundPricingEntity::getTenantId, tenantId).eq(InboundPricingEntity::getId, inboundId)
             .in(InboundPricingEntity::getProcessStatus,
-                List.of("FEE_CONFIRMING", "WAIT_SPLIT", "LOADING", "LOADED", "DELIVERED"))
+                List.of("FEE_CONFIRMING", "WAIT_PALLET", "WAIT_SPLIT", "LOADING", "LOADED", "DELIVERED"))
             .eq(InboundPricingEntity::getFeeStatus, "CALCULATED")
             .set(InboundPricingEntity::getFeeStatus, "CONFIRMED"));
     }
diff --git a/firstleg/src/main/java/com/baiyue/firstleg/service/FbaPricingService.java b/firstleg/src/main/java/com/baiyue/firstleg/service/FbaPricingService.java
index 50918fc23..96c152a84 100644
--- a/firstleg/src/main/java/com/baiyue/firstleg/service/FbaPricingService.java
+++ b/firstleg/src/main/java/com/baiyue/firstleg/service/FbaPricingService.java
@@ -80,6 +80,16 @@ public class FbaPricingService {
         if ("COMPLETED".equals(token.getStatus())) return response(tenantId, token.getResultResourceId(), null);
 
         InboundPricingEntity inbound = requireEligibleInbound(tenantId, inboundId);
+        InboundFeeEntity published = null;
+        if ("SENT".equals(inbound.getFeeStatus())) {
+            published = repository.findLatestFeeForUpdate(tenantId, inboundId);
+            if (published == null || !"SENT".equals(published.getFeeStatus())) {
+                throw conflict("费用状态已变化，请刷新后重试");
+            }
+            if (published.getCustomerConfirmedAt() != null) {
+                throw conflict("客户已确认该费用，不允许再修改或重新发送");
+            }
+        }
         var measurement = measurementRepository.findLatestMeasurement(tenantId, inboundId);
         if ("OUTER".equalsIgnoreCase(volumeSource) && measurement == null) {
             throw conflict("外箱规测量批次不存在，不能生成对客费用");
@@ -114,7 +124,13 @@ public class FbaPricingService {
             weight, volume, converted, chargeable, subtotal, additional, total, now);
         fee.setMeasurementId(measurement == null ? null : measurement.getId());
         fee.setMeasurementSource("OUTER".equalsIgnoreCase(volumeSource) ? "OUTER" : volumeSource);
-        repository.supersedeCalculated(tenantId, inboundId);
+        if (published != null) {
+            if (repository.supersedeCurrent(tenantId, published.getId(), "SENT") != 1) {
+                throw conflict("费用已被客户确认或其他操作员修改，请刷新后重试");
+            }
+        } else {
+            repository.supersedeCalculated(tenantId, inboundId);
+        }
         repository.insertFee(fee);
         repository.insertItem(baseItem(tenantId, fee, rate, chargeable, subtotal, now));
         if (additional.signum() > 0) repository.insertItem(additionalItem(tenantId, fee, additional, now));
@@ -124,7 +140,7 @@ public class FbaPricingService {
         }
         feeDetails.materializeCalculatedFreight(tenantId, inboundId, fee.getId(), operatorId, now);
         complete(token, fee.getId(), now);
-        String nextStatus = isCompletedInbound(inbound.getProcessStatus())
+        String nextStatus = preserveProcessStatusDuringPricing(inbound.getProcessStatus())
             ? inbound.getProcessStatus() : "FEE_CONFIRMING";
         return response(inbound, fee, rate.getUnitPrice(), nextStatus);
     }
@@ -163,7 +179,7 @@ public class FbaPricingService {
         String hash = hash("SEND", inboundId, current.getId().toString());
         InboundPricingIdempotencyEntity token = beginIdempotency(
             tenantId, operatorId, inboundId, "FEE_SEND", idempotencyKey, hash);
-        String nextProcessStatus = isCompletedInbound(inbound.getProcessStatus())
+        String nextProcessStatus = preserveProcessStatusDuringPricing(inbound.getProcessStatus())
             ? inbound.getProcessStatus() : "WAIT_PALLET";
         if ("COMPLETED".equals(token.getStatus())) {
             feeDetails.publishFreight(tenantId, inboundId, token.getResultResourceId(),
@@ -311,7 +327,7 @@ public class FbaPricingService {
     private InboundPricingEntity requireEligibleInbound(long tenantId, long inboundId) {
         InboundPricingEntity inbound = requireApprovedInbound(tenantId, inboundId);
         if (!feeEditableBeforeLoading(inbound.getProcessStatus())
-            || !List.of("UNPRICED", "CALCULATED").contains(inbound.getFeeStatus())) {
+            || !List.of("UNPRICED", "CALCULATED", "SENT").contains(inbound.getFeeStatus())) {
             throw conflict("当前入库单状态不允许费用试算");
         }
         return inbound;
@@ -336,9 +352,13 @@ public class FbaPricingService {
         return "WAIT_SPLIT".equals(processStatus);
     }
 
+    private static boolean preserveProcessStatusDuringPricing(String processStatus) {
+        return List.of("WAIT_PALLET", "WAIT_SPLIT", "LOADING").contains(processStatus);
+    }
+
     private static boolean feeEditableBeforeLoading(String processStatus) {
         return List.of("WAIT_MEASURE", "MEASURING", "MEASURE_PENDING", "MEASURE_REJECTED",
-            "WAIT_PRICING", "FEE_CONFIRMING", "WAIT_SPLIT").contains(processStatus);
+            "WAIT_PRICING", "FEE_CONFIRMING", "WAIT_PALLET", "WAIT_SPLIT", "LOADING").contains(processStatus);
     }
 
     private static PricingDestinationType destinationType(InboundPricingEntity inbound) {
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/repository/FbaPricingRepositoryRuleListTest.java b/firstleg/src/test/java/com/baiyue/firstleg/repository/FbaPricingRepositoryRuleListTest.java
index 48b879b7d..48004d23f 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/repository/FbaPricingRepositoryRuleListTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/repository/FbaPricingRepositoryRuleListTest.java
@@ -198,7 +198,7 @@ class FbaPricingRepositoryRuleListTest {
             throw new AssertionError(exception);
         }
         assertThat(source)
-            .contains("List.of(\"FEE_CONFIRMING\", \"WAIT_SPLIT\", \"LOADING\", \"LOADED\", \"DELIVERED\")");
+            .contains("List.of(\"FEE_CONFIRMING\", \"WAIT_PALLET\", \"WAIT_SPLIT\", \"LOADING\", \"LOADED\", \"DELIVERED\")");
     }
 
     private Collection<Object> queryValues(Long tenantId, String ruleCode) {
diff --git a/firstleg/src/test/java/com/baiyue/firstleg/service/FbaPricingServiceTest.java b/firstleg/src/test/java/com/baiyue/firstleg/service/FbaPricingServiceTest.java
index aa4034c48..d46350cfe 100644
--- a/firstleg/src/test/java/com/baiyue/firstleg/service/FbaPricingServiceTest.java
+++ b/firstleg/src/test/java/com/baiyue/firstleg/service/FbaPricingServiceTest.java
@@ -242,6 +242,54 @@ class FbaPricingServiceTest {
         verify(priceBookEstimator).estimate(any());
     }
 
+    @Test
+    @DisplayName("客户未确认时待装柜订单可重新计算并替换已发送费用")
+    void recalculatesSentFeeBeforeCustomerConfirmation() {
+        readyRepository();
+        InboundPricingEntity inbound = inbound("10", "1");
+        inbound.setProcessStatus("WAIT_PALLET");
+        inbound.setFeeStatus("SENT");
+        InboundFeeEntity sent = savedFee("SENT");
+        when(repository.findInbound(TENANT, INBOUND)).thenReturn(inbound);
+        when(repository.findLatestFeeForUpdate(TENANT, INBOUND)).thenReturn(sent);
+        when(repository.nextFeeVersion(TENANT, INBOUND)).thenReturn(2);
+        when(repository.supersedeCurrent(TENANT, 501L, "SENT")).thenReturn(1);
+        when(priceBookEstimator.estimate(any())).thenReturn(
+            estimate("CBM", "1.0000", "10", "10", "0"));
+
+        FeeSnapshotResponse response = service.calculate(
+            TENANT, OPERATOR, INBOUND, NOW, "resend-before-confirm");
+
+        assertThat(response.feeVersion()).isEqualTo(2);
+        assertThat(response.feeStatus()).isEqualTo("CALCULATED");
+        assertThat(response.nextProcessStatus()).isEqualTo("WAIT_PALLET");
+        verify(repository).supersedeCurrent(TENANT, 501L, "SENT");
+        verify(repository).markInboundCalculated(TENANT, INBOUND, "WAIT_PALLET", "CBM",
+            new BigDecimal("1.0000"));
+    }
+
+    @Test
+    @DisplayName("客户已确认时拒绝重新计算已发送费用")
+    void rejectsRecalculationAfterCustomerConfirmation() {
+        readyRepository();
+        InboundPricingEntity inbound = inbound("10", "1");
+        inbound.setProcessStatus("WAIT_PALLET");
+        inbound.setFeeStatus("SENT");
+        InboundFeeEntity sent = savedFee("SENT");
+        sent.setCustomerConfirmedAt(NOW);
+        when(repository.findInbound(TENANT, INBOUND)).thenReturn(inbound);
+        when(repository.findLatestFeeForUpdate(TENANT, INBOUND)).thenReturn(sent);
+
+        assertThatThrownBy(() -> service.calculate(
+            TENANT, OPERATOR, INBOUND, NOW, "resend-after-confirm"))
+            .isInstanceOf(BizException.class)
+            .hasMessageContaining("客户已确认");
+
+        verify(priceBookEstimator, never()).estimate(any());
+        verify(repository, never()).supersedeCurrent(anyLong(), anyLong(), any());
+        verify(repository, never()).insertFee(any());
+    }
+
     @Test
     @DisplayName("当前生效价格表无匹配价格时明确拒绝")
     void rejectsMissingActivePriceBookRate() {