diff --git a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/jarvis/TencentDocController.java b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/jarvis/TencentDocController.java
index 2760583..3288362 100644
--- a/ruoyi-admin/src/main/java/com/ruoyi/web/controller/jarvis/TencentDocController.java
+++ b/ruoyi-admin/src/main/java/com/ruoyi/web/controller/jarvis/TencentDocController.java
@@ -1539,9 +1539,12 @@ public class TencentDocController extends BaseController {
                             log.info("✓ 准备写入是否安排 - 单号: {}, 是否安排: 2, 行: {}, 列: {}", expectedOrderNo, row, arrangedColumn);
                         }
 
-                        // 5. 更新"标记"列（如果存在）
-                        if (markColumn != null) {
+                        // 5. 更新"标记"列（如果存在，且不是物流链接更新时才写入，物流链接更新时保留原日期）
+                        if (markColumn != null && !Boolean.TRUE.equals(isLinkUpdated)) {
                             requests.add(buildUpdateCellRequest(sheetId, row - 1, markColumn, today, false));
+                            log.info("✓ 准备写入标记日期 - 单号: {}, 日期: {}, 行: {}, 列: {}", expectedOrderNo, today, row, markColumn);
+                        } else if (markColumn != null && Boolean.TRUE.equals(isLinkUpdated)) {
+                            log.info("✓ 物流链接更新，保留原标记日期 - 单号: {}, 行: {}", expectedOrderNo, row);
                         }
 
                         // 构建完整的 batchUpdate 请求体