diff --git a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/controller/admin/modelservice/vo/ModelServiceSaveReqVO.java b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/controller/admin/modelservice/vo/ModelServiceSaveReqVO.java
index d9eef4bad..01b3ede07 100644
--- a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/controller/admin/modelservice/vo/ModelServiceSaveReqVO.java
+++ b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/controller/admin/modelservice/vo/ModelServiceSaveReqVO.java
@@ -20,7 +20,7 @@ public class ModelServiceSaveReqVO {
     private Long fineTuningTask;
 
     @Schema(description = "检查点，使用字典（llm_model_checkpoint）")
-    private Long checkPoint;
+    private String checkPoint;
 
     @Schema(description = "GPU，使用字典（llm_gpu_type）", example = "1")
     private Long gpuType;
diff --git a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/dal/dataobject/modelservice/ModelServiceDO.java b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/dal/dataobject/modelservice/ModelServiceDO.java
index 62cfb079d..7d06f6d3a 100644
--- a/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/dal/dataobject/modelservice/ModelServiceDO.java
+++ b/yudao-module-llm/yudao-module-llm-biz/src/main/java/cn/iocoder/yudao/module/llm/dal/dataobject/modelservice/ModelServiceDO.java
@@ -40,7 +40,7 @@ public class ModelServiceDO extends BaseDO {
      *
      * 枚举 {@link TODO llm_model_checkpoint 对应的类}
      */
-    private Long checkPoint;
+    private String checkPoint;
     /**
      * GPU
      * <p>