修复创建数据集版本重复bug

ruoyi-modules/management-platform/src/main/java/com/ruoyi/platform/service/impl/NewDatasetServiceImpl.java

@@ -183,7 +183,7 @@ public class NewDatasetServiceImpl implements NewDatasetService {
         for (Map<String, Object> versionMap : versionList) {
             String version = (String) versionMap.get("name");
             if (version.equals(datasetVo.getVersion())) {
-                throw new Exception("版本已存在");
+                throw new Exception("数据集版本已存在，请勿重复创建");
             }
         }
 
@@ -334,7 +334,6 @@ public class NewDatasetServiceImpl implements NewDatasetService {
         String ci4sUsername = loginUser.getUsername();
         String userReq = jedis.get(ci4sUsername + "_gitUserInfo");
         Map<String, Object> userInfo = JsonUtils.jsonToMap(userReq);
-        Integer userId = (Integer) userInfo.get("user_id");
         // 拼接查询url
         String url = gitendpoint + "/api/projects.json?sort_direction=praises_count&sort_by=desc&category_id=" + Constant.Git_Category_Id;