diff --git a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/message/BpmMessageServiceImpl.java b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/message/BpmMessageServiceImpl.java
index 89dfd1227..032370158 100644
--- a/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/message/BpmMessageServiceImpl.java
+++ b/yudao-module-bpm/yudao-module-bpm-biz/src/main/java/cn/iocoder/yudao/module/bpm/service/message/BpmMessageServiceImpl.java
@@ -57,7 +57,7 @@ public class BpmMessageServiceImpl implements BpmMessageService {
         templateParams.put("taskName", reqDTO.getTaskName());
         templateParams.put("startUserNickname", reqDTO.getStartUserNickname());
         templateParams.put("detailUrl", getProcessInstanceDetailUrl(reqDTO.getProcessInstanceId()));
-        smsSendApi.sendSingleSmsToAdmin(BpmMessageConvert.INSTANCE.convert(reqDTO.getStartUserId(),
+        smsSendApi.sendSingleSmsToAdmin(BpmMessageConvert.INSTANCE.convert(reqDTO.getAssigneeUserId(),
                 BpmMessageEnum.TASK_ASSIGNED.getSmsTemplateCode(), templateParams));
     }