docs: add ZIP upgrade method to README

deepseek-assistant · deepseek-assistant · commit 86e246ce01a8 · 2026-06-04T13:40:52.000+08:00
diff --git a/README.md b/README.md
@@ -49,6 +49,8 @@ git pull
 
 升级模式 (`setup --fix`) 仅升级依赖版本和重打补丁，不下重复的包。
 
+**ZIP 用户**：下载最新源码解压后，覆盖旧目录，然后执行 `./ov-cli setup --fix` 即可。
+
 ## 命令
 
 ### `setup` — 创建环境
diff --git a/README_EN.md b/README_EN.md
@@ -49,6 +49,8 @@ git pull
 
 Fix mode (`setup --fix`) only upgrades package versions and reapplies patches — no redundant downloads.
 
+**ZIP users**: Download the latest source, extract and overwrite your old directory, then run `./ov-cli setup --fix`.
+
 ## Commands
 
 ### `setup` — Create Environment
