diff --git a/src/views/business/components/waybill-import-dialog.vue b/src/views/business/components/waybill-import-dialog.vue
index 3645750..5db574c 100644
--- a/src/views/business/components/waybill-import-dialog.vue
+++ b/src/views/business/components/waybill-import-dialog.vue
@@ -1348,11 +1348,23 @@ const formatOptionalNumber = value => {
   const normalized = normalizeOptionalImportNumber(value);
   return normalized === null || normalized === undefined ? '' : normalized;
 };
+// 明细接口返回运单实体字段 startDate/endDate/estimatedStartTime/estimatedEndTime，
+// 而明细表与编辑回填按导入列字段名 actualStartDate 等读取，重载后在此对齐，否则实际/预计时间列为空。
+const detailDateAliases = {
+  actualStartDate: 'startDate',
+  actualEndDate: 'endDate',
+  planStartDate: 'estimatedStartTime',
+  planEndDate: 'estimatedEndTime',
+};
 const normalizeDetailRow = row => {
   const next = { ...(row || {}) };
   OPTIONAL_NUMBER_PROPS.forEach(prop => {
     next[prop] = formatOptionalNumber(next[prop]);
   });
+  Object.entries(detailDateAliases).forEach(([prop, source]) => {
+    if (String(next[prop] ?? '').trim()) return;
+    if (String(next[source] ?? '').trim()) next[prop] = next[source];
+  });
   return next;
 };
 const normalizeImportRow = row => ({