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 86df17b..e63762c 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
@@ -1069,6 +1069,15 @@ public class TencentDocController extends BaseController {
                     endRow = rowTotal;
                     log.info("按 rowTotal={} 截断结束行: endRow={}", rowTotal, endRow);
                 }
+            } else {
+                // 未取到 rowTotal 时：若 startRow 过高（如 348 超出实际 324 行）可能是 Redis 缓存过时，保守回溯
+                final int START_ROW_SAFE_THRESHOLD = 350;
+                if (startRow > START_ROW_SAFE_THRESHOLD) {
+                    int oldStart = startRow;
+                    startRow = Math.max(MIN_START_ROW_WHEN_USE_ROW_TOTAL, effectiveStartRow);
+                    endRow = startRow + READ_ROWS_WHEN_USE_ROW_TOTAL - 1;
+                    log.warn("rowTotal 未获取且 startRow={} 过高，保守回溯至 effectiveStartRow={}，范围: {} ~ {}", oldStart, startRow, startRow, endRow);
+                }
             }
 
             log.info("开始填充物流链接 - 文件ID: {}, 工作表ID: {}, 起始行: {}, 结束行: {}, rowTotal: {}",
diff --git a/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/TencentDocServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/TencentDocServiceImpl.java
index c82850c..4d9db5f 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/TencentDocServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/jarvis/service/impl/TencentDocServiceImpl.java
@@ -589,6 +589,8 @@ public class TencentDocServiceImpl implements ITencentDocService {
                 list = result.getJSONArray("sheets");
             }
             if (list == null) {
+                log.debug("getSheetRowTotal 未找到 properties/sheets 列表 - fileId: {}, sheetId: {}, resultKeys: {}",
+                    fileId, sheetId, result != null ? result.keySet() : "null");
                 return 0;
             }
             for (int i = 0; i < list.size(); i++) {
@@ -598,16 +600,21 @@ public class TencentDocServiceImpl implements ITencentDocService {
                     continue;
                 }
                 String sid = props.getString("sheetId");
-                if (!sheetId.equals(sid)) {
+                if (sid == null || !sheetId.equals(sid)) {
                     continue;
                 }
-                // rowTotal 可能为 rowTotal 或 row_total
+                // rowTotal 可能为 rowTotal、row_total 或 rowCount（腾讯文档 API 多种返回格式）
                 if (props.containsKey("rowTotal")) {
                     return Math.max(0, props.getIntValue("rowTotal"));
                 }
                 if (props.containsKey("row_total")) {
                     return Math.max(0, props.getIntValue("row_total"));
                 }
+                if (props.containsKey("rowCount")) {
+                    return Math.max(0, props.getIntValue("rowCount"));
+                }
+                log.debug("getSheetRowTotal 找到 sheetId 但无 rowTotal/rowCount - fileId: {}, sheetId: {}, propsKeys: {}",
+                    fileId, sheetId, props.keySet());
             }
             return 0;
         } catch (Exception e) {