diff --git a/app/core/qcloud.py b/app/core/qcloud.py
index c4c8e93..3099391 100644
--- a/app/core/qcloud.py
+++ b/app/core/qcloud.py
@@ -171,8 +171,14 @@ class QCloudManager:
             
             # 生成存储路径
             folder = folder or datetime.now().strftime('%Y%m%d')
-            ext = file.filename.split('.')[-1] if '.' in file.filename else ''
-            key = f"{folder}/{uuid.uuid4()}.{ext}"
+
+            # 获取文件名
+            if file.filename:
+                ext = file.filename.split('.')[-1] if '.' in file.filename else ''
+                name = file.filename.split('.')[0] if '.' in file.filename else file.filename
+                key = f"{folder}/{name}_{uuid.uuid4()}.{ext}"
+            else:
+                key = f"{folder}/{uuid.uuid4()}.{ext}"
             
             # 上传文件
             self.cos_client.put_object(