diff --git a/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilExportVo.java b/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilExportVo.java
index a655fd82..4a316468 100644
--- a/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilExportVo.java
+++ b/klp-wms/src/main/java/com/klp/domain/vo/WmsMaterialCoilExportVo.java
@@ -161,4 +161,9 @@ public class WmsMaterialCoilExportVo {
      * 发货时间（仅临时存储，不导出）
      */
     private Date exportTime;
+
+    /**
+     * 更新时间（仅临时存储，不导出，用于发货时间为空时兜底）
+     */
+    private Date updateTime;
 }
diff --git a/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java b/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
index a678ea7e..e092ffbb 100644
--- a/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
+++ b/klp-wms/src/main/java/com/klp/service/impl/WmsMaterialCoilServiceImpl.java
@@ -1862,12 +1862,25 @@ public class WmsMaterialCoilServiceImpl implements IWmsMaterialCoilService {
     public List<WmsMaterialCoilExportVo> queryExportList(WmsMaterialCoilBo bo) {
         QueryWrapper<WmsMaterialCoil> lqw = buildQueryWrapper(bo);
         List<WmsMaterialCoilExportVo> wmsMaterialCoilExportVos = baseMapper.selectExportList(lqw);
-        // 遍历数据，根据状态替换日期字段
+        // 遍历数据，根据状态替换日期字段，并处理空值兜底
         wmsMaterialCoilExportVos.stream().forEach(vo -> {
             // 判断查询条件中的status是否为1（已发货）
             if (bo.getStatus() != null && bo.getStatus() == 1) {
-                // 已发货时，将展示的日期替换为export_time
-                vo.setCreateTime(vo.getExportTime());
+                Date finalDate = null;
+                // 1. 优先使用发货时间
+                if (vo.getExportTime() != null) {
+                    finalDate = vo.getExportTime();
+                }
+                // 2. 发货时间为空时，使用更新时间兜底
+                else if (vo.getUpdateTime() != null) {
+                    finalDate = vo.getUpdateTime();
+                }
+                // 3. 若更新时间也为空，保留原有createTime（避免日期字段为空）
+                else {
+                    finalDate = vo.getCreateTime();
+                }
+                // 赋值最终的日期
+                vo.setCreateTime(finalDate);
             }
             // 非1的情况，保持原有create_time不变
         });
diff --git a/klp-wms/src/main/resources/mapper/klp/WmsMaterialCoilMapper.xml b/klp-wms/src/main/resources/mapper/klp/WmsMaterialCoilMapper.xml
index 643ba376..69c2f123 100644
--- a/klp-wms/src/main/resources/mapper/klp/WmsMaterialCoilMapper.xml
+++ b/klp-wms/src/main/resources/mapper/klp/WmsMaterialCoilMapper.xml
@@ -363,6 +363,8 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
             mc.create_time AS createTime,
             -- 发货时间
             mc.export_time AS exportTime,
+            -- 新增：更新时间（用于发货时间为空时兜底）
+            mc.update_time AS updateTime,
             -- 重量
             mc.net_weight AS netWeight,
             -- 长度