diff --git a/src/utils/oss.js b/src/utils/oss.js
index 4a711aed..8bb280aa 100644
--- a/src/utils/oss.js
+++ b/src/utils/oss.js
@@ -60,7 +60,11 @@ async function ossGenerateSTS() {
                   let params = Object.assign({path: objectName}, fileInfo)
                   addOrUpdateFileUploadRecord(params)
                 } else if (trialId) {
-                  let params = { trialId, path: objectName }
+                  const fileName = objectName.split('/').pop()
+                  const fileType = fileName.includes('.') 
+                  ? fileName.split('.').pop().toLowerCase() 
+                  : ''
+                  let params = { trialId, path: objectName, fileName, fileType }
                   addOrUpdateFileUploadRecord(params)
                 }
                 resolve({
@@ -113,7 +117,11 @@ async function ossGenerateSTS() {
                   let params = Object.assign({path: data.path}, fileInfo)
                   addOrUpdateFileUploadRecord(params)
                 } else if (trialId) {
-                  let params = { trialId, path: data.path }
+                  const fileName = data.path.split('/').pop()
+                  const fileType = fileName.includes('.') 
+                  ? fileName.split('.').pop().toLowerCase() 
+                  : ''
+                  let params = { trialId, path: data.path, fileName, fileType }
                   addOrUpdateFileUploadRecord(params)
                 }
                 
@@ -241,7 +249,11 @@ function uploadAWS(aws, data, progress, fileInfo) {
             let params = Object.assign({path: decodeUtf8(curPath)}, fileInfo)
             addOrUpdateFileUploadRecord(params)
           } else if (trialId) {
-            let params = { trialId, path: decodeUtf8(curPath) }
+            const fileName = decodeUtf8(curPath).split('/').pop()
+            const fileType = fileName.includes('.') 
+            ? fileName.split('.').pop().toLowerCase() 
+            : ''
+            let params = { trialId, path: decodeUtf8(curPath), fileName, fileType }
             addOrUpdateFileUploadRecord(params)
           }
           resolve({
@@ -356,33 +368,33 @@ function isCredentialsExpired(credentials) {
 function mimeTypeToExt(mimeType) {
   const map = {
     // 图片
-    'image/jpeg': '.jpg',
-    'image/jpg': '.jpg',
-    'image/png': '.png',
-    'image/gif': '.gif',
-    'image/webp': '.webp',
-    'image/svg+xml': '.svg',
-    'image/bmp': '.bmp',
+    'image/jpeg': 'jpg',
+    'image/jpg': 'jpg',
+    'image/png': 'png',
+    'image/gif': 'gif',
+    'image/webp': 'webp',
+    'image/svg+xml': 'svg',
+    'image/bmp': 'bmp',
 
     // 文档
-    'application/dicom': '.dcm',
-    'application/pdf': '.pdf',
-    'application/msword': '.doc',
-    'application/vnd.openxmlformats-officedocument.wordprocessingml.document': '.docx',
-    'application/vnd.ms-excel': '.xls',
-    'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet': '.xlsx',
+    'application/dicom': 'dcm',
+    'application/pdf': 'pdf',
+    'application/msword': 'doc',
+    'application/vnd.openxmlformats-officedocument.wordprocessingml.document': 'docx',
+    'application/vnd.ms-excel': 'xls',
+    'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet': 'xlsx',
     'application/vnd.ms-powerpoint': '.ppt',
-    'application/vnd.openxmlformats-officedocument.presentationml.presentation': '.pptx',
-    'text/plain': '.txt',
+    'application/vnd.openxmlformats-officedocument.presentationml.presentation': 'pptx',
+    'text/plain': 'txt',
     // 音频/视频
-    'audio/mpeg': '.mp3',
-    'audio/wav': '.wav',
-    'video/mp4': '.mp4',
-    'video/mpeg': '.mpeg',
+    'audio/mpeg': 'mp3',
+    'audio/wav': 'wav',
+    'video/mp4': 'mp4',
+    'video/mpeg': 'mpeg',
     // 压缩包
-    'application/zip': '.zip',
-    'application/x-rar-compressed': '.rar',
-    'application/x-7z-compressed': '.7z',
+    'application/zip': 'zip',
+    'application/x-rar-compressed': 'rar',
+    'application/x-7z-compressed': '7z',
   };
   return map[mimeType] || ''; // 找不到返回空字符串
 }