[Bug修复](master): update DictServiceImpl.java

close https://github.com/elunez/eladmin/issues/612

eladmin-system/src/main/java/me/zhengjie/modules/system/service/impl/DictServiceImpl.java

@@ -72,8 +72,9 @@ public class DictServiceImpl implements DictService {
         delCaches(resources);
         Dict dict = dictRepository.findById(resources.getId()).orElseGet(Dict::new);
         ValidationUtil.isNull( dict.getId(),"Dict","id",resources.getId());
-        resources.setId(dict.getId());
-        dictRepository.save(resources);
+        dict.setName(resources.getName());
+        dict.setDescription(resources.getDescription());
+        dictRepository.save(dict);
     }
 
     @Override