diff --git a/src/main/java/com/budwk/app/flow/service/impl/SchoolOaTodoServiceImpl.java b/src/main/java/com/budwk/app/flow/service/impl/SchoolOaTodoServiceImpl.java
index f453107..7d5a261 100644
--- a/src/main/java/com/budwk/app/flow/service/impl/SchoolOaTodoServiceImpl.java
+++ b/src/main/java/com/budwk/app/flow/service/impl/SchoolOaTodoServiceImpl.java
@@ -233,7 +233,7 @@ public class SchoolOaTodoServiceImpl implements SchoolOaTodoService {
             userList.add(receiverBody);
         }
 
-        // 学校OA批量接口的公共流程字段在根节点，接收人差异字段仅放在userList中。
+        // 学校OA批量接口的公共流程字段在根节点；服务端实际按文档示例中的 userlList（user 后多一个小写 l）读取接收人数组。
         JSONObject body = new JSONObject();
         body.set("flowTypeName", todoParam.getFlowTypeName());
         body.set("flowId", todoParam.getFlowId());
@@ -244,7 +244,7 @@ public class SchoolOaTodoServiceImpl implements SchoolOaTodoService {
         body.set("creatorTime", todoParam.getCreatorTime());
         body.set("startPcPreviewUrl", todoParam.getStartPcPreviewUrl());
         body.set("startAppPreviewUrl", todoParam.getStartAppPreviewUrl());
-        body.set("userList", userList);
+        body.set("userlList", userList);
 
         String batchInsertUrl = requireConfig("school-oa.todo.batch-insert-url");
         String responseBody = sendTodoRequest(batchInsertUrl, body, "学校OA批量待办创建失败", "学校OA批量待办创建异常");