diff --git a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/datarefluxconfig/DataRefluxConfigServiceImpl.java b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/datarefluxconfig/DataRefluxConfigServiceImpl.java
index efa80d1cc..d4e31d59e 100644
--- a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/datarefluxconfig/DataRefluxConfigServiceImpl.java
+++ b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/service/datarefluxconfig/DataRefluxConfigServiceImpl.java
@@ -46,6 +46,13 @@ public class DataRefluxConfigServiceImpl implements DataRefluxConfigService {
     public Long createDataRefluxConfig(DataRefluxConfigSaveReqVO createReqVO) {
         // 插入
         DataRefluxConfigDO dataRefluxConfig = BeanUtils.toBean(createReqVO, DataRefluxConfigDO.class);
+        LambdaQueryWrapper<DataRefluxConfigDO> eq = new LambdaQueryWrapper<DataRefluxConfigDO>()
+                .eq(DataRefluxConfigDO::getModelServiceId, dataRefluxConfig.getModelServiceId())
+                .eq(DataRefluxConfigDO::getModelType, dataRefluxConfig.getModelType())
+                .eq(DataRefluxConfigDO::getCreator, dataRefluxConfig.getCreator());
+        if (dataRefluxConfigMapper.selectCount(eq) > 0) {
+            throw new RuntimeException("该模型服务已存在");
+        }
         dataRefluxConfigMapper.insert(dataRefluxConfig);
         // 返回
         return dataRefluxConfig.getId();