diff --git a/src/main/java/com/project/appeal/domain/service/Impl/SaveAppealDomainServiceImpl.java b/src/main/java/com/project/appeal/domain/service/Impl/SaveAppealDomainServiceImpl.java
index 2780842..f71f619 100644
--- a/src/main/java/com/project/appeal/domain/service/Impl/SaveAppealDomainServiceImpl.java
+++ b/src/main/java/com/project/appeal/domain/service/Impl/SaveAppealDomainServiceImpl.java
@@ -104,16 +104,14 @@ public class SaveAppealDomainServiceImpl implements SaveAppealDomainService {
             return Result.success(appealDTO);
         }else if(appealDTO.getStatus().equals(AppealStatusEnum.PASS_REVIEW.getValue()) && !Boolean.TRUE.equals(questionSnapshotDTO.getIsRight())){
             //审批通过需要加分
-            calculateScore(appealDTO, examRecord, index, questionSnapshotDTO.getType());
+            TaskEntity taskEntity = taskMapper.getTaskByTaskUserId(examRecord.getTaskUserId());
+            calculateScore(appealDTO, examRecord, index, taskEntity);
 
             //加分后试题变正确，减少错题数
             List<ExamRecordEntity.QuestionSnapshot> snapshots = examRecord.getAnswerSnapshot();
             ExamRecordEntity.QuestionSnapshot updatedSnapshot = snapshots.get(index);
             if (Boolean.TRUE.equals(updatedSnapshot.getIsRight())) {
-                TaskEntity taskEntity = taskMapper.getTaskByTaskUserId(examRecord.getTaskUserId());
-                statisticsApplicationService.decreaseErrorCountAfterAppeal(
-                        taskEntity.getId(), appealDTO.getQuestionId(),
-                        updatedSnapshot.getType(), appealDTO.getRevisedScore());
+                statisticsApplicationService.decreaseErrorCountAfterAppeal(taskEntity.getId(), appealDTO.getQuestionId());
             }
         }
         //通知用户
@@ -125,12 +123,11 @@ public class SaveAppealDomainServiceImpl implements SaveAppealDomainService {
     /**
      * 计算分数（审批通过需要加分）
      */
-    public void calculateScore(AppealDTO appealDTO, ExamRecordEntity examRecord, int index, int type) {
-        TaskEntity taskEntity = taskMapper.getTaskByTaskUserId(examRecord.getTaskUserId());
-
+    public void calculateScore(AppealDTO appealDTO, ExamRecordEntity examRecord, int index, TaskEntity taskEntity) {
         List<ExamRecordEntity.QuestionSnapshot> snapshots = examRecord.getAnswerSnapshot();
         ExamRecordEntity.QuestionSnapshot snapshot = snapshots.get(index);
 
+        int type = snapshot.getType();
         QuestionTypeEnum questionType = QuestionTypeEnum.findByValue(type);
         if (questionType == null) {
             throw new BusinessErrorException("不支持的题目类型：" + type);
diff --git a/src/main/java/com/project/statistics/application/StatisticsApplicationService.java b/src/main/java/com/project/statistics/application/StatisticsApplicationService.java
index f942965..7021473 100644
--- a/src/main/java/com/project/statistics/application/StatisticsApplicationService.java
+++ b/src/main/java/com/project/statistics/application/StatisticsApplicationService.java
@@ -19,7 +19,7 @@ public interface StatisticsApplicationService {
     /**
      * 审批通过后减少错题数
      */
-    void decreaseErrorCountAfterAppeal(Long taskId, Long questionId, Integer questionType, Double revisedScore);
+    void decreaseErrorCountAfterAppeal(Long taskId, Long questionId);
 
     Result<List<ErrorProneStatisticsDTO>> searchErrorProneTop(Long taskId);
 
diff --git a/src/main/java/com/project/statistics/application/impl/StatisticsApplicationServiceImpl.java b/src/main/java/com/project/statistics/application/impl/StatisticsApplicationServiceImpl.java
index 7889609..37a4d2c 100644
--- a/src/main/java/com/project/statistics/application/impl/StatisticsApplicationServiceImpl.java
+++ b/src/main/java/com/project/statistics/application/impl/StatisticsApplicationServiceImpl.java
@@ -59,8 +59,8 @@ public class StatisticsApplicationServiceImpl implements StatisticsApplicationSe
     }
 
     @Override
-    public void decreaseErrorCountAfterAppeal(Long taskId, Long questionId, Integer questionType, Double revisedScore) {
-        saveErrorProneStatisticsDomainService.decreaseErrorCountAfterAppeal(taskId, questionId, questionType, revisedScore);
+    public void decreaseErrorCountAfterAppeal(Long taskId, Long questionId) {
+        saveErrorProneStatisticsDomainService.decreaseErrorCountAfterAppeal(taskId, questionId);
     }
 
     @Override
diff --git a/src/main/java/com/project/statistics/domain/service/SaveErrorProneStatisticsDomainService.java b/src/main/java/com/project/statistics/domain/service/SaveErrorProneStatisticsDomainService.java
index f1680b3..82d7562 100644
--- a/src/main/java/com/project/statistics/domain/service/SaveErrorProneStatisticsDomainService.java
+++ b/src/main/java/com/project/statistics/domain/service/SaveErrorProneStatisticsDomainService.java
@@ -28,8 +28,6 @@ public interface SaveErrorProneStatisticsDomainService {
      *
      * @param taskId       考试任务ID
      * @param questionId   题目ID
-     * @param questionType 题目类型（用于判断是否为简答题）
-     * @param revisedScore 审批修改后的分数（简答题判断是否得满分用）
      */
-    void decreaseErrorCountAfterAppeal(Long taskId, Long questionId, Integer questionType, Double revisedScore);
+    void decreaseErrorCountAfterAppeal(Long taskId, Long questionId);
 }
diff --git a/src/main/java/com/project/statistics/domain/service/impl/SaveSaveErrorProneStatisticsDomainServiceImpl.java b/src/main/java/com/project/statistics/domain/service/impl/SaveSaveErrorProneStatisticsDomainServiceImpl.java
index 51e081b..52084fc 100644
--- a/src/main/java/com/project/statistics/domain/service/impl/SaveSaveErrorProneStatisticsDomainServiceImpl.java
+++ b/src/main/java/com/project/statistics/domain/service/impl/SaveSaveErrorProneStatisticsDomainServiceImpl.java
@@ -354,7 +354,7 @@ public class SaveSaveErrorProneStatisticsDomainServiceImpl implements SaveErrorP
     // ==================== 审批通过减少错题数 ====================
 
     @Override
-    public void decreaseErrorCountAfterAppeal(Long taskId, Long questionId, Integer questionType, Double revisedScore) {
+    public void decreaseErrorCountAfterAppeal(Long taskId, Long questionId) {
         TaskEntity task = taskBaseService.getById(taskId);
         if (task == null) return;
 
@@ -375,7 +375,10 @@ public class SaveSaveErrorProneStatisticsDomainServiceImpl implements SaveErrorP
         for (Long kpId : question.getKpIdList()) {
             String lockKey = LOCK_PREFIX + "gen:" + taskId + ":" + kpId;
             boolean locked = tryLock(lockKey);
-            if (!locked) continue;
+            if (!locked) {
+                log.warn("[易错统计-减一] 获取锁失败, lockKey={}, 题目ID={}", lockKey, questionId);
+                continue;
+            }
 
             try {
                 ErrorProneStatisticsEntity entity = errorProneStatisticsBaseService.lambdaQuery()
@@ -398,7 +401,10 @@ public class SaveSaveErrorProneStatisticsDomainServiceImpl implements SaveErrorP
     private void decreaseClassicErrorCount(Long taskId, Long questionId) {
         String lockKey = LOCK_PREFIX + "classic:" + taskId + ":" + questionId;
         boolean locked = tryLock(lockKey);
-        if (!locked) return;
+        if (!locked) {
+            log.warn("[易错统计-减一] 获取锁失败, lockKey={}, 题目ID={}", lockKey, questionId);
+            return;
+        }
 
         try {
             ErrorProneStatisticsEntity entity = errorProneStatisticsBaseService.lambdaQuery()