diff --git a/src/main/java/com/swustoj/mapper/StageScoreMapper.java b/src/main/java/com/swustoj/mapper/StageScoreMapper.java
index 1ffa3e473038a90ce9607abf8ab3c78c959bfd6d..5caa721c316aa4638ed08a2c8779a2ddea25b4fc 100644
--- a/src/main/java/com/swustoj/mapper/StageScoreMapper.java
+++ b/src/main/java/com/swustoj/mapper/StageScoreMapper.java
@@ -31,4 +31,13 @@ public interface StageScoreMapper  extends BaseMapper<StageScore> {
      * @return 进度条信息
      */
     List<StageScore> getStuStageInfo(StageScore stageScore);
+
+    /**
+     * 删除错误的数据
+     * @param enrollId
+     * @param stage
+     * @param stuArr
+     */
+    void deleteIfExist(@Param("recruitmentId")Integer enrollId, @Param("stage") Integer stage,
+                       @Param("stuArr") List<Integer> stuArr);
 }
diff --git a/src/main/java/com/swustoj/service/Impl/RecruitmentServiceImpl.java b/src/main/java/com/swustoj/service/Impl/RecruitmentServiceImpl.java
index c1474c64b74195375d08a7482694eadaaba571df..c0dac2926b00a53fdda753956c627845bc7cdf61 100644
--- a/src/main/java/com/swustoj/service/Impl/RecruitmentServiceImpl.java
+++ b/src/main/java/com/swustoj/service/Impl/RecruitmentServiceImpl.java
@@ -77,6 +77,8 @@ public class RecruitmentServiceImpl implements RecruitmentService {
                     stageScoreMapper.insert(new StageScore(null, student_id, studentDTO.getEnrollId(),
                             null, studentDTO.getStage() + 1, 0, null));
                 }
+            }else{
+                stageScoreMapper.deleteIfExist(studentDTO.getEnrollId(),studentDTO.getStage(),studentDTO.getStuArr());
             }
         }
         // 发送相关通过或未通过的邮件
diff --git a/src/main/resources/com/swustoj/mapper/StageScoreMapper.xml b/src/main/resources/com/swustoj/mapper/StageScoreMapper.xml
index 86f3492b8cc9d7e32d3630ef725f62e09079a542..438bbe4780144b4cae092610f78f321f3bf8dc2e 100644
--- a/src/main/resources/com/swustoj/mapper/StageScoreMapper.xml
+++ b/src/main/resources/com/swustoj/mapper/StageScoreMapper.xml
@@ -29,4 +29,20 @@
 <!--                               and recruitment_id = #{enrollId} and stage = #{oldStage}-->
 <!--    </update>-->
 
+    <delete id="deleteIfExist" >
+        delete from
+            stage_score
+        where
+            recruitment_id = #{recruitmentId}
+        and
+            stage = #{stage}
+        and
+            student_id in
+        <trim prefix="(" suffix=")">
+            <foreach collection="stuArr" item="student_id" separator=",">
+                #{student_id}
+            </foreach>
+        </trim>
+    </delete>
+
 </mapper>
\ No newline at end of file