diff --git a/jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/service/impl/Cet_4ServiceImpl.java b/jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/service/impl/Cet_4ServiceImpl.java
index 78ea35d3..7ccea6d2 100644
--- a/jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/service/impl/Cet_4ServiceImpl.java
+++ b/jeecg-module-system/jeecg-system-start/src/main/java/org/jeecg/modules/service/impl/Cet_4ServiceImpl.java
@@ -128,6 +128,7 @@ public class Cet_4ServiceImpl extends ServiceImpl<Cet_4Mapper, Cet_4> implements
         if(college.equals("全校")){
             collect = passedList.stream().collect(Collectors.groupingBy(Cet_4::getCollege));
         }else{
+            //TODO：majorname为空时存在异常
             collect = passedList.stream().collect(Collectors.groupingBy(Cet_4::getMajorname));
         }
 
@@ -591,7 +592,9 @@ public class Cet_4ServiceImpl extends ServiceImpl<Cet_4Mapper, Cet_4> implements
             if (getRateByEntryDateDtoParams.getMajor() != null && !getRateByEntryDateDtoParams.getMajor().isEmpty()) {
                 cet4StudentCount.eq(Cet_4::getMajorname, getRateByEntryDateDtoParams.getMajor());
             }
-            long allStudentCount = cet4Mapper.selectCount(cet4StudentCount);
+            cet4StudentCount.groupBy(Cet_4::getCode);
+            List<Object> allStudentList = cet4Mapper.selectObjs(cet4StudentCount);
+            long allStudentCount = allStudentList.size();
             // 统计当前 entryDate 下的通过人数
             //所有参加过四级考试的学生
             Map<String, Integer> attendMap4 = new HashMap<>();