diff --git a/src/main/java/cn/teammodel/controller/admin/service/impl/ExamServiceImpl.java b/src/main/java/cn/teammodel/controller/admin/service/impl/ExamServiceImpl.java
index ea87f5f..d894e0f 100644
--- a/src/main/java/cn/teammodel/controller/admin/service/impl/ExamServiceImpl.java
+++ b/src/main/java/cn/teammodel/controller/admin/service/impl/ExamServiceImpl.java
@@ -41,19 +41,6 @@ public class ExamServiceImpl implements ExamService {
             school.flatMap(value -> value.getPeriod().stream().filter(period ->
                     period.getId().equals(overViewDto.getPeriodId())).findFirst()).ifPresent(value1 ->
                     overView.put("semesters", value1.getSemesters()));
-
-            //获取所有考试数据
-            //List<Exam> exams = examRepository.findExamByClassId("Exam-"+overViewDto.getSchool(),overViewDto.getClassId(),overViewDto.getPeriodId());
-
-            //List<RMember> rMembers = new ArrayList<>();
-            /*for (Map.Entry<String, Object> entry : groupId.entrySet()) {
-                String key = entry.getKey();
-                Object value = entry.getValue();
-                if (key.equals("groups")) {
-                    String jsonGroups = JSON.toJSONString(value);
-                    rGroupList = JSON.parseObject(jsonGroups, new TypeReference<List<RGroupList>>() {});
-                }
-            }*/
         }catch (Exception e) {
             throw new ServiceException(ErrorCode.SYSTEM_ERROR.getCode(), "数据转换错误");
 
diff --git a/src/main/java/cn/teammodel/utils/GroupUtil.java b/src/main/java/cn/teammodel/utils/GroupUtil.java
index b044f5a..0a75232 100644
--- a/src/main/java/cn/teammodel/utils/GroupUtil.java
+++ b/src/main/java/cn/teammodel/utils/GroupUtil.java
@@ -1,5 +1,7 @@
 package cn.teammodel.utils;
 
+import cn.teammodel.common.ErrorCode;
+import cn.teammodel.config.exception.ServiceException;
 import cn.teammodel.model.dto.admin.common.GroupDto;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.databind.type.TypeFactory;
@@ -72,10 +74,10 @@ public class GroupUtil {
                 int statusCode = response.getStatusLine().getStatusCode();
                 if (statusCode != 200) throw new RuntimeException("Failed : HTTP error code : " + statusCode);
             } catch (IOException e) {
-                e.printStackTrace();
+                throw new ServiceException(ErrorCode.SYSTEM_ERROR.getCode(), "数据解析异常");
             }
         } catch (IOException e) {
-            e.printStackTrace();
+            throw new ServiceException(ErrorCode.SYSTEM_ERROR.getCode(), "请求头异常");
         }
         return mapper;
     }