diff --git a/src/main/java/com/project/exam/domain/dto/ExportExamRecordDTO.java b/src/main/java/com/project/exam/domain/dto/ExportExamRecordDTO.java
index c37e318..6b5e96d 100644
--- a/src/main/java/com/project/exam/domain/dto/ExportExamRecordDTO.java
+++ b/src/main/java/com/project/exam/domain/dto/ExportExamRecordDTO.java
@@ -8,8 +8,8 @@ public class ExportExamRecordDTO {
     @ExcelProperty("序号")
     private Integer serialNumber;
 
-    @ExcelProperty("关联子产品产品线")
-    private String subLineName;
+    @ExcelProperty("考试提交时间")
+    private String submitTime;
 
     @ExcelProperty("考试任务名称")
     private String taskName;
diff --git a/src/main/java/com/project/exam/domain/service/impl/AdminExportExamRecordDomainServiceImpl.java b/src/main/java/com/project/exam/domain/service/impl/AdminExportExamRecordDomainServiceImpl.java
index c6fae7c..fb2ade7 100644
--- a/src/main/java/com/project/exam/domain/service/impl/AdminExportExamRecordDomainServiceImpl.java
+++ b/src/main/java/com/project/exam/domain/service/impl/AdminExportExamRecordDomainServiceImpl.java
@@ -16,6 +16,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.text.SimpleDateFormat;
 import java.util.List;
 import java.util.Objects;
 
@@ -27,6 +28,9 @@ public class AdminExportExamRecordDomainServiceImpl implements AdminExportExamRe
 
     private final static Long MAX_EXPORT_NUM = 5000L;
 
+    private static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";
+
+
     @Override
     public void export(ExamRecordParam examRecordParam , HttpServletResponse response) throws Exception {
         long count = adminSearchExamRecordDomainService.count(examRecordParam);
@@ -37,6 +41,9 @@ public class AdminExportExamRecordDomainServiceImpl implements AdminExportExamRe
         Result<PageResult<ExamRecordDTO>> pageResultResult = adminSearchExamRecordDomainService.adminSearch(examRecordParam);
 
         List<ExamRecordDTO> dataList = pageResultResult.getData().getContent();
+
+        SimpleDateFormat sdf = new SimpleDateFormat(DATE_FORMAT);
+
         List<ExportExamRecordDTO> exportList = dataList.stream().map(dto -> {
             ExportExamRecordDTO exportDTO = new ExportExamRecordDTO();
             BeanUtil.copyProperties(dto, exportDTO);
@@ -45,6 +52,9 @@ public class AdminExportExamRecordDomainServiceImpl implements AdminExportExamRe
             } else {
                 exportDTO.setScore("");
             }
+            if (dto.getSubmitTime() != null) {
+                exportDTO.setSubmitTime(sdf.format(dto.getSubmitTime()));
+            }
             return exportDTO;
         }).toList();
         EasyExcel.write(response.getOutputStream(), ExportExamRecordDTO.class)