diff --git a/business/src/main/java/com/fizz/business/service/impl/SendJobServiceImpl.java b/business/src/main/java/com/fizz/business/service/impl/SendJobServiceImpl.java
index da782e5..ab4d164 100644
--- a/business/src/main/java/com/fizz/business/service/impl/SendJobServiceImpl.java
+++ b/business/src/main/java/com/fizz/business/service/impl/SendJobServiceImpl.java
@@ -63,7 +63,8 @@ public class SendJobServiceImpl extends ServiceImpl<BizSendJobMapper, BizSendJob
         BeanUtils.copyProperties(dto, job);
 
         // 生成业务唯一键
-        String bizKey = opcMessageIdsManager.generateMessageId("SEND_JOB");
+        // 生成业务唯一键（OpcMessageIdsManager 目前没有 generateMessageId 方法，改用 UUID）
+        String bizKey = "SEND_JOB_" + UUID.randomUUID();
         job.setBizKey(bizKey);
         job.setStatus("PENDING");
 
@@ -302,7 +303,9 @@ public class SendJobServiceImpl extends ServiceImpl<BizSendJobMapper, BizSendJob
             boolean success = true;
             String failMsg = null;
             try {
-                opcMessageSend.writeNode(last.getAddress(), last.getValueRaw());
+                // OpcMessageSend 没有 writeNode 方法，使用 writeData(identifier, value)
+                // address 字段在本业务里就是 OPC 的 identifier（如：ns=2;s=...）
+                opcMessageSend.writeData(last.getAddress(), last.getValueRaw());
             } catch (Exception ex) {
                 success = false;
                 allSuccess = false;