diff --git a/README.md b/README.md
index 9bf8b44..6be3628 100644
--- a/README.md
+++ b/README.md
@@ -16,12 +16,12 @@
 curl -fsSL https://gitea.rk-health.com/jiangshunzhi/Gemini-in-Chrome/raw/branch/main/install.sh | bash
 ```
 
-### Windows
+### Windows（PowerShell）
 
-打开 PowerShell 执行：
+打开 PowerShell（不是 cmd）执行：
 
 ```powershell
-irm https://gitea.rk-health.com/jiangshunzhi/Gemini-in-Chrome/raw/branch/main/install.ps1 | iex
+iex ((irm https://gitea.rk-health.com/jiangshunzhi/Gemini-in-Chrome/raw/branch/main/install.ps1).TrimStart([char]0xFEFF))
 ```
 
 ## 脚本做了什么