diff --git a/debian/7z-encrypt-client/DEBIAN/control b/debian/7z-encrypt-client/DEBIAN/control
index 4d0de0a..4ff2c39 100644
--- a/debian/7z-encrypt-client/DEBIAN/control
+++ b/debian/7z-encrypt-client/DEBIAN/control
@@ -2,7 +2,7 @@ Package: 7z-encrypt-client
 Version: 1.0.0
 Architecture: all
 Maintainer: edgevoid <edgevoid@users.noreply.gitee.com>
-Installed-Size: 127
+Installed-Size: 128
 Depends: python3 (>= 3.10), python3-venv, p7zip-full
 Section: utils
 Priority: optional
diff --git a/debian/7z-encrypt-client/DEBIAN/md5sums b/debian/7z-encrypt-client/DEBIAN/md5sums
index c801fea..c5acf31 100644
--- a/debian/7z-encrypt-client/DEBIAN/md5sums
+++ b/debian/7z-encrypt-client/DEBIAN/md5sums
@@ -9,6 +9,6 @@ dcb31e74e0a6ee8073337fc4fb2acf99  usr/share/7z-encrypt/config.py
 3478ac8277b4b1a38694ad0cc8cdbcdb  usr/share/7z-encrypt/splitter.py
 b90b8c950f99e1439bc273f50a2ee0a6  usr/share/7z-encrypt/state.py
 795881c32c496161290920ae34bf74f1  usr/share/7z-encrypt/transfer.py
-67d4b90265abf5a72af959f66679dd0f  usr/share/7z-encrypt/tui.py
+6aa2072a47dc2aa2a397836dda464040  usr/share/7z-encrypt/tui.py
 198943ad7a94f6ba0995cf2d326f66d4  usr/share/doc/7z-encrypt-client/changelog.gz
 fadf3972cc61c7c76d0ccc20b29a804c  usr/share/doc/7z-encrypt-client/copyright
diff --git a/debian/7z-encrypt-client/usr/share/7z-encrypt/tui.py b/debian/7z-encrypt-client/usr/share/7z-encrypt/tui.py
index 22cdecb..804e650 100644
--- a/debian/7z-encrypt-client/usr/share/7z-encrypt/tui.py
+++ b/debian/7z-encrypt-client/usr/share/7z-encrypt/tui.py
@@ -13,6 +13,7 @@ import os
 import shutil
 import subprocess
 import sys
+import tempfile
 from pathlib import Path
 from urllib import request as urlrequest
 
@@ -103,13 +104,12 @@ def upload() -> None:
     chunk_size = _clean(input("卷大小 MB [10]: ")) or "10"
 
     print("\n[1/3] 7z 压缩 (-mx=9) ...")
-    src7z = path + ".7z"
-    r = subprocess.run(
-        ["7z", "a", "-mx=9", "-bd", src7z, path],
-        capture_output=True, text=True,
-    )
+    # 输出到临时目录 (Android 公共目录如 Download 写入受限, errno=1)
+    src7z = os.path.join(tempfile.gettempdir(), os.path.basename(path) + ".7z")
+    r = subprocess.run(["7z", "a", "-mx=9", "-bd", src7z, path])
     if r.returncode != 0:
-        print(f"[错误] 7z 压缩失败: {r.stderr[-300:]}")
+        os.remove(src7z)
+        print("[错误] 7z 压缩失败")
         return
     print(f"[1/3] 压缩完成: {os.path.getsize(path) / 1048576:.1f} MB -> {os.path.getsize(src7z) / 1048576:.1f} MB")