diff --git a/src/main/java/cn/teammodel/controller/admin/service/impl/CommonServiceImpl.java b/src/main/java/cn/teammodel/controller/admin/service/impl/CommonServiceImpl.java
index 6c9d0f6..9b170ec 100644
--- a/src/main/java/cn/teammodel/controller/admin/service/impl/CommonServiceImpl.java
+++ b/src/main/java/cn/teammodel/controller/admin/service/impl/CommonServiceImpl.java
@@ -32,7 +32,7 @@ public class CommonServiceImpl implements CommonService {
         try {
             //获取当前学校该学段下详细信息
             List<School.Period> period = schoolRepository.findPeriodById(gcDto.getSchoolId(), gcDto.getPeriodId());
-            List<ClassInfo> classes = classRepository.findClassBySchoolIdAndPeriodId(gcDto.getSchoolId(), gcDto.getPeriodId());
+            List<ClassInfo> classes = classRepository.findClassBySchoolIdAndPeriodId(gcDto.getPeriodId());
             int year = now().getYear();
             Month month =   now().getMonth();
             int mon =  MonthToNumberConverter.convertMonthToNumber(month.name());
diff --git a/src/main/java/cn/teammodel/model/dto/admin/exam/OverViewDto.java b/src/main/java/cn/teammodel/model/dto/admin/exam/OverViewDto.java
index 60dcc02..50ed858 100644
--- a/src/main/java/cn/teammodel/model/dto/admin/exam/OverViewDto.java
+++ b/src/main/java/cn/teammodel/model/dto/admin/exam/OverViewDto.java
@@ -16,6 +16,4 @@ public class OverViewDto {
     @ApiModelProperty("学生入学年")
     private int studentYear;
     private List<String> classIds;
-    private Long startTime;
-    private Long endTime;
 }
diff --git a/src/main/java/cn/teammodel/repository/ClassRepository.java b/src/main/java/cn/teammodel/repository/ClassRepository.java
index b69920b..bb03d4d 100644
--- a/src/main/java/cn/teammodel/repository/ClassRepository.java
+++ b/src/main/java/cn/teammodel/repository/ClassRepository.java
@@ -18,6 +18,6 @@ public interface ClassRepository extends CosmosRepository<ClassInfo, String> {
 
     @Query("select c.id, c.name from School as c where c.code = @code and c.id in (@ids)")
     List<ClassInfo> findAllByCodeAndIdIn(String code, Collection<String> ids);
-    @Query("select c.id, c.name,c.year,c.periodId from School as c where c.school = @school and c.periodId = @periodId and c.pk = 'Class'")
-    List<ClassInfo> findClassBySchoolIdAndPeriodId(String school, String periodId);
+    @Query("select c.id, c.name,c.year,c.periodId from School as c where c.periodId = @periodId and c.pk = 'Class'")
+    List<ClassInfo> findClassBySchoolIdAndPeriodId(String periodId);
 }