diff --git a/main.py b/main.py
index 52af182..1172008 100644
--- a/main.py
+++ b/main.py
@@ -129,11 +129,30 @@ async def index(code: str, ip: str = Depends(error_ip_limit), s: AsyncSession =
     if info.type != 'text':
         if settings.STORAGE_ENGINE == 'filesystem':
             info.text = f'/select?code={code}'
-    return {
-        'detail': f'取件成功，文件将在{settings.DELETE_EXPIRE_FILES_INTERVAL}分钟后删除',
-        'data': {'type': info.type, 'text': info.text, 'name': info.name, 'code': info.code}
-    }
+            return {
+                'detail': f'取件成功，文件将在{settings.DELETE_EXPIRE_FILES_INTERVAL}分钟后删除',
+                'data': {'type': info.type, 'text': info.text, 'name': info.name, 'code': info.code}
+            }
+        elif settings.STORAGE_ENGINE == 'aliyunsystem':
+            info.text = await storage.get_filepath(info.text)
+        return {
+            'detail': f'取件成功，链接将在{settings.ACCESSTIME}秒后失效',
+            'data': {'type': info.type, 'text': info.text, 'name': info.name, 'code': info.code}
+        }
 
+@app.post('/adminDownloadFile',dependencies=[Depends(admin_required)], description='管理员获取资源链接')
+async def admindownloadfile(filetext: str, s: AsyncSession = Depends(get_session)):
+    if storage.STORAGE_ENGINE == 'aliyunsystem':
+        filetext = await storage.get_filepath(filetext)
+        return {
+            'detail': f'获取文件链接成功，链接将在{settings.ACCESSTIME}秒后失效',
+            'fileURL': filetext
+        }
+    elif storage.STORAGE_ENGINE == 'filesystem':
+        return {
+            'detail': f'获取文件链接成功',
+            'fileURL':filetext
+        }
 
 @app.get('/banner')
 async def banner(request: Request, s: AsyncSession = Depends(get_session)):
@@ -176,11 +195,11 @@ async def get_file(code: str, ip: str = Depends(error_ip_limit), s: AsyncSession
         return {'detail': '查询成功', 'data': info.text}
     # 如果是文件，返回文件
     else:
+        filepath = await storage.get_filepath(info.text)
         if settings.STORAGE_ENGINE == 'filesystem':
-            filepath = await storage.get_filepath(info.text)
             return FileResponse(filepath, filename=info.name)
         else:
-            return {'detail': '查询成功', 'data': info.text}
+            return {'detail': '查询成功', 'data': filepath}
 
 
 @app.post('/share', dependencies=[Depends(admin_required)], description='分享文件')
diff --git a/settings.py b/settings.py
index dd77d69..8788f9b 100644
--- a/settings.py
+++ b/settings.py
@@ -52,10 +52,12 @@ KEYWORDS = config('KEYWORDS', cast=str, default="FileCodeBox，文件快递柜
 STORAGE_ENGINE = config('STORAGE_ENGINE', cast=str, default="filesystem")
 # 如果使用阿里云OSS的话需要创建如下参数
 # 阿里云账号AccessKey
-KeyId = config('KeyId',cast=str,default="阿里云账号AccessKey")
+KeyId = config('KeyId', cast=str, default="阿里云账号AccessKey")
 # 阿里云账号AccessKeySecret
-KeySecret = config('KeySecret',cast=str,default="阿里云账号AccessKeySecret")
+KeySecret = config('KeySecret', cast=str, default="阿里云账号AccessKeySecret")
 # 阿里云OSS Bucket的地域节点
-OSS_ENDPOINT= config('BUCKET_URL',cast=str,default="阿里云OSS Bucket的地域节点")
+OSS_ENDPOINT = config('BUCKET_URL', cast=str, default="阿里云OSS Bucket的地域节点")
 # 阿里云OSS Bucket的BucketName
-BUCKET_NAME = config('BUCKET_NAME',cast=str,default="阿里云OSS Bucket的BucketName")
+BUCKET_NAME = config('BUCKET_NAME', cast=str, default="阿里云OSS Bucket的BucketName")
+# 访问文件的读取时长（s）
+ACCESSTIME = config('ACCESSTIME', cast=int, default=60)
diff --git a/storage.py b/storage.py
index b908288..caf0978 100644
--- a/storage.py
+++ b/storage.py
@@ -9,8 +9,9 @@ import oss2
 
 
 class AliyunFileStore:
-    auth = oss2.Auth(settings.KeyId, settings.KeySecret)
-    bucket = oss2.Bucket(auth, settings.OSS_ENDPOINT, settings.BUCKET_NAME)
+    def __init__(self):
+        auth = oss2.Auth(settings.KeyId, settings.KeySecret)
+        self.bucket = oss2.Bucket(auth, settings.OSS_ENDPOINT, settings.BUCKET_NAME)
 
     def upload_file(self, upload_filepath, remote_filepath):
         self.bucket.put_object_from_file(remote_filepath, upload_filepath)
@@ -23,7 +24,9 @@ class AliyunFileStore:
         return text
 
     async def get_filepath(self, text: str):
-        return text
+        text = text.strip(f"https://{settings.BUCKET_NAME}.{settings.OSS_ENDPOINT}/")
+        url = self.bucket.sign_url('GET', text, settings.ACCESSTIME, slash_safe=True)
+        return url
 
     @staticmethod
     async def get_size(file: UploadFile):
@@ -54,13 +57,15 @@ class AliyunFileStore:
         await asyncio.gather(*tasks)
 
     async def delete_file(self, text: str):
+        text = text.strip(f"https://{settings.BUCKET_NAME}.{settings.OSS_ENDPOINT}/")
         self.bucket.delete_object(text)
 
 
 class FileSystemStorage:
-    DATA_ROOT = Path(settings.DATA_ROOT)
-    STATIC_URL = settings.STATIC_URL
-    NAME = "filesystem"
+    def __init__(self):
+        self.DATA_ROOT = Path(settings.DATA_ROOT)
+        self.STATIC_URL = settings.STATIC_URL
+        self.NAME = "filesystem"
 
     async def get_filepath(self, text: str):
         return self.DATA_ROOT / text.lstrip(self.STATIC_URL + '/')