diff --git a/src/main/java/com/ai/da/mapper/primary/entity/Contestant.java b/src/main/java/com/ai/da/mapper/primary/entity/Contestant.java
index afa8a803..0e7241bb 100644
--- a/src/main/java/com/ai/da/mapper/primary/entity/Contestant.java
+++ b/src/main/java/com/ai/da/mapper/primary/entity/Contestant.java
@@ -59,6 +59,15 @@ public class Contestant {
     @TableField("video_path")
     private String videoPath;
 
+    @TableField("video_duration")
+    private Integer videoDuration;
+
+    @TableField("video_size")
+    private Long videoSize;
+
+    @TableField("pdf_size")
+    private Long pdfSize;
+
     @TableField("created_at")
     private LocalDateTime createdAt;
 
diff --git a/src/main/java/com/ai/da/model/dto/ContestantDTO.java b/src/main/java/com/ai/da/model/dto/ContestantDTO.java
index 57342903..1390c819 100644
--- a/src/main/java/com/ai/da/model/dto/ContestantDTO.java
+++ b/src/main/java/com/ai/da/model/dto/ContestantDTO.java
@@ -49,6 +49,15 @@ public class ContestantDTO {
 
     @ApiModelProperty(value = "视频文件路径", required = false, example = "contestants/user@example.com/2024/01/video_1234567890.mp4")
     private String videoPath;
+    
+    @ApiModelProperty(value = "视频时长（秒）", required = false, example = "120")
+    private Integer videoDuration;
+
+    @ApiModelProperty(value = "视频大小（字节）", required = false, example = "10485760")
+    private Long videoSize;
+
+    @ApiModelProperty(value = "PDF 文件大小（字节）", required = false, example = "524288")
+    private Long pdfSize;
 
 //    /**
 //     * 是否确认覆盖已存在记录（false 表示发现已有记录时仅返回 existingRecord，不覆盖）
@@ -58,6 +67,8 @@ public class ContestantDTO {
 
     @NotBlank
     private String secureToken;
+    
+
 }
 
 
diff --git a/src/main/java/com/ai/da/service/impl/GlobalAwardServiceImpl.java b/src/main/java/com/ai/da/service/impl/GlobalAwardServiceImpl.java
index 307b84e1..948529d6 100644
--- a/src/main/java/com/ai/da/service/impl/GlobalAwardServiceImpl.java
+++ b/src/main/java/com/ai/da/service/impl/GlobalAwardServiceImpl.java
@@ -172,6 +172,9 @@ public class GlobalAwardServiceImpl implements GlobalAwardService {
                     .designDescription(request.getDesignDescription())
                     .pdfPath(request.getPdfPath())
                     .videoPath(request.getVideoPath())
+                    .videoDuration(request.getVideoDuration())
+                    .videoSize(request.getVideoSize())
+                    .pdfSize(request.getPdfSize())
                     .createdAt(now)
                     .updatedAt(now)
                     .build();
@@ -196,6 +199,9 @@ public class GlobalAwardServiceImpl implements GlobalAwardService {
             existing.setDesignDescription(request.getDesignDescription());
             existing.setPdfPath(request.getPdfPath());
             existing.setVideoPath(request.getVideoPath());
+            existing.setVideoDuration(request.getVideoDuration());
+            existing.setVideoSize(request.getVideoSize());
+            existing.setPdfSize(request.getPdfSize());
             existing.setUpdatedAt(now);
             contestantMapper.updateById(existing);
             resp.put("success", true);
@@ -214,7 +220,7 @@ public class GlobalAwardServiceImpl implements GlobalAwardService {
             String[] headers = new String[] {
                     "contestantNumber", "email", "firstName", "lastName", "gender", "occupation",
                     "age", "countryRegionCity", "phoneNumber", "designTitle", "designDescription",
-                    "pdfPath", "videoPath", "createdAt", "updatedAt"
+                    "pdfPath", "videoPath", "videoDuration", "videoSizeMB", "pdfSizeMB", "createdAt", "updatedAt"
             };
             for (int i = 0; i < headers.length; i++) {
                 Cell c = header.createCell(i);
@@ -235,8 +241,23 @@ public class GlobalAwardServiceImpl implements GlobalAwardService {
                 r.createCell(ci++).setCellValue(cst.getPhoneNumber() == null ? "" : cst.getPhoneNumber());
                 r.createCell(ci++).setCellValue(cst.getDesignTitle() == null ? "" : cst.getDesignTitle());
                 r.createCell(ci++).setCellValue(cst.getDesignDescription() == null ? "" : cst.getDesignDescription());
-                r.createCell(ci++).setCellValue(cst.getPdfPath() == null ? "" : cst.getPdfPath());
-                r.createCell(ci++).setCellValue(cst.getVideoPath() == null ? "" : cst.getVideoPath());
+//                r.createCell(ci++).setCellValue(cst.getPdfPath() == null ? "" : cst.getPdfPath());
+//                r.createCell(ci++).setCellValue(cst.getVideoPath() == null ? "" : cst.getVideoPath());
+                // 视频时长（秒）
+                r.createCell(ci++).setCellValue(cst.getVideoDuration() == null ? "" : cst.getVideoDuration().toString());
+                // 视频大小、PDF 大小：以 MB 导出，保留两位小数
+                if (cst.getVideoSize() == null) {
+                    r.createCell(ci++).setCellValue("");
+                } else {
+                    double vMb = cst.getVideoSize() / 1024.0 / 1024.0;
+                    r.createCell(ci++).setCellValue(String.format("%.2f", vMb));
+                }
+                if (cst.getPdfSize() == null) {
+                    r.createCell(ci++).setCellValue("");
+                } else {
+                    double pMb = cst.getPdfSize() / 1024.0 / 1024.0;
+                    r.createCell(ci++).setCellValue(String.format("%.2f", pMb));
+                }
                 r.createCell(ci++).setCellValue(cst.getCreatedAt() == null ? "" : cst.getCreatedAt().toString());
                 r.createCell(ci++).setCellValue(cst.getUpdatedAt() == null ? "" : cst.getUpdatedAt().toString());
             }
@@ -266,7 +287,7 @@ public class GlobalAwardServiceImpl implements GlobalAwardService {
             String[] headers = new String[] {
                     "contestantNumber", "email", "firstName", "lastName", "gender", "occupation",
                     "age", "countryRegionCity", "phoneNumber", "designTitle", "designDescription",
-                    "pdfPath", "videoPath", "createdAt", "updatedAt"
+                    "pdfPath", "videoPath", "videoDuration", "videoSizeMB", "pdfSizeMB", "createdAt", "updatedAt"
             };
             for (int i = 0; i < headers.length; i++) {
                 Cell c = header.createCell(i);
@@ -287,8 +308,23 @@ public class GlobalAwardServiceImpl implements GlobalAwardService {
                 r.createCell(ci++).setCellValue(cst.getPhoneNumber() == null ? "" : cst.getPhoneNumber());
                 r.createCell(ci++).setCellValue(cst.getDesignTitle() == null ? "" : cst.getDesignTitle());
                 r.createCell(ci++).setCellValue(cst.getDesignDescription() == null ? "" : cst.getDesignDescription());
-                r.createCell(ci++).setCellValue(cst.getPdfPath() == null ? "" : cst.getPdfPath());
-                r.createCell(ci++).setCellValue(cst.getVideoPath() == null ? "" : cst.getVideoPath());
+//                r.createCell(ci++).setCellValue(cst.getPdfPath() == null ? "" : cst.getPdfPath());
+//                r.createCell(ci++).setCellValue(cst.getVideoPath() == null ? "" : cst.getVideoPath());
+                // 视频时长（秒）
+                r.createCell(ci++).setCellValue(cst.getVideoDuration() == null ? "" : cst.getVideoDuration().toString());
+                // 视频大小、PDF 大小：以 MB 导出，保留两位小数
+                if (cst.getVideoSize() == null) {
+                    r.createCell(ci++).setCellValue("");
+                } else {
+                    double vMb = cst.getVideoSize() / 1024.0 / 1024.0;
+                    r.createCell(ci++).setCellValue(String.format("%.2f", vMb));
+                }
+                if (cst.getPdfSize() == null) {
+                    r.createCell(ci++).setCellValue("");
+                } else {
+                    double pMb = cst.getPdfSize() / 1024.0 / 1024.0;
+                    r.createCell(ci++).setCellValue(String.format("%.2f", pMb));
+                }
                 r.createCell(ci++).setCellValue(cst.getCreatedAt() == null ? "" : cst.getCreatedAt().toString());
                 r.createCell(ci++).setCellValue(cst.getUpdatedAt() == null ? "" : cst.getUpdatedAt().toString());
             }