diff --git a/dubhe-server/admin/src/main/java/org/dubhe/admin/service/impl/DictServiceImpl.java b/dubhe-server/admin/src/main/java/org/dubhe/admin/service/impl/DictServiceImpl.java
index 94f8b39..c334b1c 100644
--- a/dubhe-server/admin/src/main/java/org/dubhe/admin/service/impl/DictServiceImpl.java
+++ b/dubhe-server/admin/src/main/java/org/dubhe/admin/service/impl/DictServiceImpl.java
@@ -111,9 +111,9 @@ public class DictServiceImpl implements DictService {
     public DictDTO findByName(String name, String filter) {
         Dict dict = dictMapper.selectCollByName(name);
         if (!StringUtils.isEmpty(filter) && !ObjectUtils.isEmpty(dict) && !CollectionUtils.isEmpty(dict.getDictDetails())) {
-            // algorithmUsage:异常检测
+            // algorithmUsage:异常检测 目前只有algorithmUsage一种类型，所以不需要判断取哪个配置，方便以后扩展
             String[] split = filter.split(":");
-            String s = split[1];
+            String s = split.length > 1 ? split[1] : "";
             List<String> algorithmLimit = configAlgorithmLimit(s);
             List<DictDetail> collect = dict.getDictDetails().stream().filter(item -> CollectionUtils.isEmpty(algorithmLimit) || algorithmLimit.contains(item.getValue())).collect(Collectors.toList());
             dict.setDictDetails(collect);