diff --git a/ruoyi-system/src/main/java/com/ruoyi/jarvis/util/TencentDocApiUtil.java b/ruoyi-system/src/main/java/com/ruoyi/jarvis/util/TencentDocApiUtil.java
index b8d2c5a..12ac11d 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/jarvis/util/TencentDocApiUtil.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/jarvis/util/TencentDocApiUtil.java
@@ -23,6 +23,12 @@ import java.nio.charset.StandardCharsets;
 public class TencentDocApiUtil {
     
     private static final Logger log = LoggerFactory.getLogger(TencentDocApiUtil.class);
+
+    /**
+     * 在线表格 batchUpdate 单次请求中操作数上限（官方：单次操作数量小于等于 5）
+     * @see <a href="https://docs.qq.com/open/document/app/openapi/v3/sheet/batchupdate/update.html">批量更新接口</a>
+     */
+    public static final int TENCENT_BATCH_UPDATE_MAX_OPERATIONS = 5;
     
     // 静态初始化块：禁用系统代理，确保腾讯文档API调用直接连接
     static {
@@ -456,12 +462,50 @@ public class TencentDocApiUtil {
      */
     public static JSONObject batchUpdate(String accessToken, String appId, String openId, String fileId, JSONObject requestBody, String apiBaseUrl) {
         String apiUrl = String.format("%s/files/%s/batchUpdate", apiBaseUrl, fileId);
-        
-        log.info("批量更新表格（batchUpdate）- fileId: {}, requests数量: {}", 
-            fileId, requestBody.getJSONArray("requests") != null ? requestBody.getJSONArray("requests").size() : 0);
-        log.debug("批量更新表格 - 请求体: {}", requestBody.toJSONString());
-        
-        return callApi(accessToken, appId, openId, apiUrl, "POST", requestBody.toJSONString());
+
+        JSONArray requests = requestBody != null ? requestBody.getJSONArray("requests") : null;
+        if (requests == null || requests.isEmpty()) {
+            throw new IllegalArgumentException("batchUpdate 请求体缺少非空 requests 数组");
+        }
+
+        int total = requests.size();
+        log.info("批量更新表格（batchUpdate）- fileId: {}, 总操作数: {}（每批最多 {} 条）",
+            fileId, total, TENCENT_BATCH_UPDATE_MAX_OPERATIONS);
+
+        JSONObject lastResult = null;
+        for (int start = 0; start < total; start += TENCENT_BATCH_UPDATE_MAX_OPERATIONS) {
+            int end = Math.min(start + TENCENT_BATCH_UPDATE_MAX_OPERATIONS, total);
+            JSONArray chunk = new JSONArray();
+            for (int i = start; i < end; i++) {
+                chunk.add(requests.get(i));
+            }
+            JSONObject chunkBody = new JSONObject();
+            chunkBody.put("requests", chunk);
+
+            log.info("batchUpdate 分片 {}-{} / {}, 本批 {} 条", start + 1, end, total, chunk.size());
+            log.debug("批量更新表格 - 分片请求体: {}", chunkBody.toJSONString());
+
+            lastResult = callApi(accessToken, appId, openId, apiUrl, "POST", chunkBody.toJSONString());
+            assertSpreadsheetBatchUpdateSuccess(lastResult);
+        }
+        return lastResult != null ? lastResult : new JSONObject();
+    }
+
+    /**
+     * V3 表格接口在 HTTP 200 时仍可能在 body 内返回 code!=0（如单次 batch 超过 5 条）
+     */
+    private static void assertSpreadsheetBatchUpdateSuccess(JSONObject result) {
+        if (result == null) {
+            return;
+        }
+        if (result.containsKey("code")) {
+            int code = result.getIntValue("code");
+            if (code != 0) {
+                String msg = result.getString("message");
+                log.error("腾讯文档 batchUpdate 业务失败: code={}, message={}", code, msg);
+                throw new RuntimeException("腾讯文档 batchUpdate 失败: " + msg + " (code=" + code + ")");
+            }
+        }
     }
     
     /**