diff --git a/bms-back/bms-system/src/main/java/com/bms/ar/mapper/ArBillDetailMapper.java b/bms-back/bms-system/src/main/java/com/bms/ar/mapper/ArBillDetailMapper.java
index 2830888e..6defde18 100644
--- a/bms-back/bms-system/src/main/java/com/bms/ar/mapper/ArBillDetailMapper.java
+++ b/bms-back/bms-system/src/main/java/com/bms/ar/mapper/ArBillDetailMapper.java
@@ -1,6 +1,7 @@
 package com.bms.ar.mapper;
 
 import java.util.List;
+import java.util.Map;
 
 import org.apache.ibatis.annotations.Param;
 import com.bms.ar.domain.ArBillDetail;
@@ -19,6 +20,8 @@ public interface ArBillDetailMapper {
     List<ArBillDetail> selectExportPage(@Param("arBillId") Long arBillId,
                                         @Param("lastDetailNo") Integer lastDetailNo, @Param("pageSize") Integer pageSize);
 
+    Map<String, Object> selectReceiveTimeRangeByBillId(@Param("arBillId") Long arBillId);
+
     int insert(ArBillDetail detail);
 
     int insertBatch(List<ArBillDetail> details);
diff --git a/bms-back/bms-system/src/main/java/com/bms/ar/service/impl/ArBillServiceImpl.java b/bms-back/bms-system/src/main/java/com/bms/ar/service/impl/ArBillServiceImpl.java
index bcf45605..9edbb99f 100644
--- a/bms-back/bms-system/src/main/java/com/bms/ar/service/impl/ArBillServiceImpl.java
+++ b/bms-back/bms-system/src/main/java/com/bms/ar/service/impl/ArBillServiceImpl.java
@@ -12,6 +12,8 @@ import java.nio.file.StandardCopyOption;
 import java.security.MessageDigest;
 import java.security.NoSuchAlgorithmException;
 import java.text.SimpleDateFormat;
+import java.time.LocalDate;
+import java.time.LocalDateTime;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Date;
@@ -1319,6 +1321,7 @@ public class ArBillServiceImpl implements IArBillService {
         }
 
         Map<Integer, String> templateRows = extractTemplateRows(templateXml.substring(sheetDataOpenEnd + 1, sheetDataEnd));
+        Map<String, Object> receiveTimeRange = detailMapper.selectReceiveTimeRangeByBillId(bill.getArBillId());
         String prefix = adjustExportColumnWidths(
                 removeSheetDimension(templateXml.substring(0, sheetDataOpenEnd + 1)));
         writeUtf8(output, prefix);
@@ -1329,7 +1332,7 @@ public class ArBillServiceImpl implements IArBillService {
         writeUtf8(output, templateRows.get(2));
         String customerRow = replaceCellXml(templateRows.get(3), "C3", bill.getCustomerName(), false);
         // 账单所属期区域为 O3:T3 合并单元格，必须写入左上角 O3 才能显示。
-        customerRow = replaceCellXml(customerRow, "O3", exportPeriod(bill), false);
+        customerRow = replaceCellXml(customerRow, "O3", exportReceiveTimeRange(receiveTimeRange), false);
         writeUtf8(output, customerRow);
         writeUtf8(output, templateRows.get(4));
 
@@ -1731,17 +1734,32 @@ public class ArBillServiceImpl implements IArBillService {
         return StringUtils.isEmpty(detail.getRemark()) ? detail.getGoodsDescription() : detail.getRemark();
     }
 
-    private String exportPeriod(ArBill bill) {
-        Date start = bill.getBillPeriodStart();
-        Date end = bill.getBillPeriodEnd();
-        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
-        if (start != null && end != null) {
-            return format.format(start) + " 至 " + format.format(end);
+    private String exportReceiveTimeRange(Map<String, Object> receiveTimeRange) {
+        if (receiveTimeRange == null) {
+            return "";
         }
-        if (start != null) {
-            return format.format(start) + " 起";
+        String start = formatReceiveDate(receiveTimeRange.get("minReceiveTime"));
+        String end = formatReceiveDate(receiveTimeRange.get("maxReceiveTime"));
+        return StringUtils.isEmpty(start) || StringUtils.isEmpty(end) ? "" : start + " 至 " + end;
+    }
+
+    private String formatReceiveDate(Object value) {
+        if (value instanceof LocalDateTime) {
+            return ((LocalDateTime) value).toLocalDate().toString();
         }
-        return end == null ? "" : "截至 " + format.format(end);
+        if (value instanceof LocalDate) {
+            return value.toString();
+        }
+        if (value instanceof java.sql.Date) {
+            return ((java.sql.Date) value).toLocalDate().toString();
+        }
+        if (value instanceof Date) {
+            return new SimpleDateFormat("yyyy-MM-dd").format((Date) value);
+        }
+        if (value == null) {
+            return "";
+        }
+        throw new IllegalArgumentException("不支持的收货时间类型: " + value.getClass().getName());
     }
 
     private BigDecimal exportUnitPrice(ArBillDetail detail) {
diff --git a/bms-back/bms-system/src/main/resources/mapper/ar/ArBillDetailMapper.xml b/bms-back/bms-system/src/main/resources/mapper/ar/ArBillDetailMapper.xml
index 64509270..63962f7f 100644
--- a/bms-back/bms-system/src/main/resources/mapper/ar/ArBillDetailMapper.xml
+++ b/bms-back/bms-system/src/main/resources/mapper/ar/ArBillDetailMapper.xml
@@ -112,6 +112,12 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
         limit #{pageSize}
     </select>
 
+    <select id="selectReceiveTimeRangeByBillId" resultType="map">
+        select min(receive_time) as minReceiveTime, max(receive_time) as maxReceiveTime
+        from ar_bill_detail
+        where ar_bill_id = #{arBillId}
+    </select>
+
     <insert id="insert" parameterType="ArBillDetail" useGeneratedKeys="true" keyProperty="detailId">
         insert into ar_bill_detail (ar_bill_id, prc_order_bill_id, detail_no, order_no, tracking_no, transfer_no, receive_time,
                                     product_code,