diff --git a/src/modules/unified-orders/pages/UnifiedOrdersView.vue b/src/modules/unified-orders/pages/UnifiedOrdersView.vue
index f4fae895..b93bafc3 100644
--- a/src/modules/unified-orders/pages/UnifiedOrdersView.vue
+++ b/src/modules/unified-orders/pages/UnifiedOrdersView.vue
@@ -61,6 +61,7 @@ import {
   calculateInboundFee,
   confirmInboundFee,
   createFeeActionIdempotencyKey,
+  getLatestInboundFee,
   getInboundMeasurement,
   saveInboundMeasurementDraft,
   InboundFeePanel,
@@ -1453,6 +1454,20 @@ async function executeConfirmAndSendFee() {
   try {
     const tenantId = String(summary.tenantId)
     const inboundId = String(summary.inboundId)
+    try {
+      const snapshot = await getLatestInboundFee(tenantId, inboundId)
+      if (snapshot.customerConfirmationStatus === 'CONFIRMED' || snapshot.customerConfirmedAt) {
+        ElMessage.warning('客户已确认该费用，费用已锁定，不允许再修改或重新发送')
+        feeConfirmOpen.value = false
+        return
+      }
+    } catch (error) {
+      const details = getApiErrorDetails(error, '费用状态查询失败，请刷新后重试')
+      if (details.code !== 'A0404') {
+        ElMessage.error(details.message)
+        return
+      }
+    }
     let snapshot = await calculateInboundFee(tenantId, inboundId, {
       selectedWeightKg,
       selectedVolumeCbm,