diff --git a/scripts/tui.py b/scripts/tui.py
index 56427ab..c35538e 100644
--- a/scripts/tui.py
+++ b/scripts/tui.py
@@ -43,6 +43,8 @@ def upload() -> None:
         print(f"[错误] 文件不存在: {path}")
         return
     server = _clean(input("服务器 [http://127.0.0.1:8000]: ")) or "http://127.0.0.1:8000"
+    if not server.startswith(("http://", "https://")):
+        server = "http://" + server  # 只输 IP:端口 自动补协议
     chunk_size = _clean(input("卷大小 MB [10]: ")) or "10"
 
     print("\n[1/2] 加密 + 分卷 + 元数据 ...")