diff --git a/src/main/java/com/sztzjy/money_management/service/impl/TheoryTestServiceImpl.java b/src/main/java/com/sztzjy/money_management/service/impl/TheoryTestServiceImpl.java
index f0fd0d0..8a4f8fe 100644
--- a/src/main/java/com/sztzjy/money_management/service/impl/TheoryTestServiceImpl.java
+++ b/src/main/java/com/sztzjy/money_management/service/impl/TheoryTestServiceImpl.java
@@ -175,16 +175,14 @@ public class TheoryTestServiceImpl implements TheoryTestService {
                 List<StuTheoryExamWithBLOBs> stuTheoryExamWithBLOBs = theoryExamMapper.selectByExampleWithBLOBs(example);
                 BigDecimal totalScore = stuTheoryExamWithBLOBs.stream()
                         .map(StuTheoryExamWithBLOBs::getScore)
-                        .reduce(BigDecimal.ZERO, BigDecimal::add)
-                        .add(score);
-                BigDecimal avgScore = totalScore.divide(BigDecimal.valueOf(stuTheoryExamWithBLOBs.size()+1), 2, RoundingMode.HALF_UP);
+                        .reduce(BigDecimal.ZERO, BigDecimal::add);
+                BigDecimal avgScore = totalScore.divide(BigDecimal.valueOf(stuTheoryExamWithBLOBs.size()), 2, RoundingMode.HALF_UP);
                 record.setAverageScore(avgScore);
             }
         }
         theoryRecordMapper.updateByPrimaryKey(record);
     }
 
-
     @Override
     public Date getStartTime(String userId, String source) {
         StuTheoryExamExample example = new StuTheoryExamExample();
@@ -528,15 +526,6 @@ public class TheoryTestServiceImpl implements TheoryTestService {
         }
     }
 
-    public static void main(String[] args) {
-        String singleStuAnswer = ", , , ," + " ,";
-        System.out.println(singleStuAnswer);
-        String[] split = singleStuAnswer.split(", ");
-        for (String s : split) {
-            System.out.println(s);
-        }
-    }
-
     @Override
     public List<StuTheoryExamDetailDto> getTheoryTestDetail(String theoryExamId, Integer index, Integer size) throws IOException {
         ArrayList<String> idsList = new ArrayList<>();