diff --git a/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/ExperimentServiceImpl.java b/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/ExperimentServiceImpl.java
index 7710a17c..c64aa471 100644
--- a/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/ExperimentServiceImpl.java
+++ b/ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/ExperimentServiceImpl.java
@@ -534,7 +534,7 @@ public class ExperimentServiceImpl implements ExperimentService {
             for (int i = 0; i < jsonArray.size(); i++) {
                 JSONObject jsonObject = jsonArray.getJSONObject(i);
                 String paramName = jsonObject.getString("param_name");
-                Object paramValue = jsonObject.get("param_value");
+                Double paramValue = jsonObject.getDouble("param_value");
                 trainParam.put(paramName, paramValue);
             }
             modelMetaVo.setParams(trainParam);