diff --git a/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/student/StuPaperFileMapper.java b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/student/StuPaperFileMapper.java
index 33b7d141..fe0faac3 100644
--- a/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/student/StuPaperFileMapper.java
+++ b/exam-module-exam/exam-module-exam-biz/src/main/java/pc/exam/pp/module/exam/dal/mysql/student/StuPaperFileMapper.java
@@ -17,4 +17,5 @@ import java.util.List;
 public interface StuPaperFileMapper extends BaseMapperX<StuPaperFileDO> {
     List<StuPaperFileDO> findByStuIdAndPaperId(@Param("stuId") Long stuId, @Param("paperId") String paperId);
 
+    List<StuPaperFileDO> findOneByStuIdAndPaperId(@Param("stuId")Long stuId, @Param("paperId")String paperId,@Param("type") int type);
 }
\ No newline at end of file
diff --git a/exam-module-exam/exam-module-exam-biz/src/main/resources/mapper/student/StuPaperFileMapper.xml b/exam-module-exam/exam-module-exam-biz/src/main/resources/mapper/student/StuPaperFileMapper.xml
index 0620ad05..1bae1be1 100644
--- a/exam-module-exam/exam-module-exam-biz/src/main/resources/mapper/student/StuPaperFileMapper.xml
+++ b/exam-module-exam/exam-module-exam-biz/src/main/resources/mapper/student/StuPaperFileMapper.xml
@@ -11,5 +11,9 @@
     <select id="findByStuIdAndPaperId" resultType="pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO">
         SELECT * FROM exam_stu_paper_fileurl WHERE stu_id = #{stuId} AND paper_id = #{paperId}
     </select>
+    <select id="findOneByStuIdAndPaperId"
+            resultType="pc.exam.pp.module.exam.dal.dataobject.student.StuPaperFileDO">
+        SELECT * FROM exam_stu_paper_fileurl WHERE stu_id = #{stuId} AND paper_id = #{paperId} and  type =#{type}
+    </select>
 
 </mapper>
\ No newline at end of file
diff --git a/exam-module-judgement/exam-module-judgement-biz/src/main/java/pc/exam/pp/module/judgement/controller/service/mysql/testServiceImpl.java b/exam-module-judgement/exam-module-judgement-biz/src/main/java/pc/exam/pp/module/judgement/controller/service/mysql/testServiceImpl.java
index 90e08b78..94a2fbdd 100644
--- a/exam-module-judgement/exam-module-judgement-biz/src/main/java/pc/exam/pp/module/judgement/controller/service/mysql/testServiceImpl.java
+++ b/exam-module-judgement/exam-module-judgement-biz/src/main/java/pc/exam/pp/module/judgement/controller/service/mysql/testServiceImpl.java
@@ -12,7 +12,7 @@ public class testServiceImpl implements testservice {
     @Override
     public boolean test() {
 
-        
+
         String s = endStuMonitorUtils.endStuMonitor("160", "78f7496a68ae48e0bfb0c288549485d8");
 
         endStuMonitorUtils.endStuMonitor("160","78f7496a68ae48e0bfb0c288549485d8",20.0);
diff --git a/exam-module-judgement/exam-module-judgement-biz/src/main/java/pc/exam/pp/module/judgement/utils/EndStuMonitorUtils.java b/exam-module-judgement/exam-module-judgement-biz/src/main/java/pc/exam/pp/module/judgement/utils/EndStuMonitorUtils.java
index 037cc6d7..2dc64423 100644
--- a/exam-module-judgement/exam-module-judgement-biz/src/main/java/pc/exam/pp/module/judgement/utils/EndStuMonitorUtils.java
+++ b/exam-module-judgement/exam-module-judgement-biz/src/main/java/pc/exam/pp/module/judgement/utils/EndStuMonitorUtils.java
@@ -22,6 +22,8 @@ import pc.exam.pp.module.infra.service.file.FileService;
 import java.io.FileWriter;
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
+import java.util.List;
+
 @Component
 public class EndStuMonitorUtils {
         @Resource
@@ -68,12 +70,26 @@ public class EndStuMonitorUtils {
                 fileurl = fileService.createFile(fileName, path, bytes);
                 System.out.println(fileurl);
                 redisTemplate.delete(keychoice);
-                StuPaperFileDO stuPaperFileDO = new StuPaperFileDO();
-                stuPaperFileDO.setStuId(Long.valueOf(stuId));
-                stuPaperFileDO.setPaperId(paperId);
-                stuPaperFileDO.setType(1);
-                stuPaperFileDO.setUrl(fileurl);
-                stuPaperFileMapper.insert(stuPaperFileDO);
+
+
+                List<StuPaperFileDO> stuPaperFileDOList = stuPaperFileMapper.findOneByStuIdAndPaperId(Long.valueOf(stuId), paperId,1);
+                //如果有则修改
+                if (stuPaperFileDOList!=null&&stuPaperFileDOList.size()>0){
+                    for (StuPaperFileDO paperFileDO : stuPaperFileDOList) {
+                        paperFileDO.setUrl(fileurl);
+
+                        stuPaperFileMapper.updateById(paperFileDO);
+                    }
+                }else {
+                    //没有就新增
+                    StuPaperFileDO stuPaperFileDO = new StuPaperFileDO();
+                    stuPaperFileDO.setStuId(Long.valueOf(stuId));
+                    stuPaperFileDO.setPaperId(paperId);
+                    stuPaperFileDO.setType(1);
+                    stuPaperFileDO.setUrl(fileurl);
+                    stuPaperFileMapper.insert(stuPaperFileDO);
+                }
+
 
 
             } catch (IOException e) {