diff --git a/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/NewDatasetServiceImpl.java b/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/NewDatasetServiceImpl.java
index a9424cf2..77087726 100644
--- a/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/NewDatasetServiceImpl.java
+++ b/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/NewDatasetServiceImpl.java
@@ -218,8 +218,8 @@ public class NewDatasetServiceImpl implements NewDatasetService {
             if (datasetTempStorage != null){
                 String source = datasetTempStorage.getSource();
                 Map<String, Object> sourceMap = JacksonUtil.parseJSONStr2Map(source);
-                String preprocessCode = (String) sourceMap.get("preprocess_code");
-                datasetVo.setProcessingCode(preprocessCode);
+                Map<String, Object> preprocessCode = (Map<String, Object>)  sourceMap.get("preprocess_code");
+                datasetVo.setProcessingCode(JacksonUtil.toJSONString(preprocessCode));
                 sourceMap.remove("preprocess_code");
                 datasetVo.setTrainTask(JacksonUtil.toJSONString(sourceMap));
             }