Upload app.py

app.py

@@ -335,7 +335,11 @@ def upload_file(file: UploadFile = File(...), file_type: str = Form(...), curren
     if file_type == "avatar":
         max_size = 2 * 1024 * 1024   
     elif file_type == "cover":
-        max_size = 5 * 1024 * 1024
+        # GIF 动图允许更大文件（前端不压缩，保留动画）
+        if file.filename and file.filename.lower().endswith('.gif'):
+            max_size = 50 * 1024 * 1024  # GIF: 50MB
+        else:
+            max_size = 5 * 1024 * 1024   # 其他图片: 5MB
     elif file_type == "post_video":
         max_size = 100 * 1024 * 1024