diff --git a/README.md b/README.md
index ad9f26f..1a0cf28 100644
--- a/README.md
+++ b/README.md
@@ -44,11 +44,11 @@ Google讨论组：[https://groups.google.com/d/forum/go-gost](https://groups.goo
 
 ```bash
 # 安装最新版本 https://github.com/go-gost/gost/releases](https://github.com/go-gost/gost/releases
-sudo bash <(curl -fsSL https://github.com/samsesh/gost/raw/master/install.sh) --install
+bash <(curl -fsSL https://github.com/samsesh/gost/raw/master/install.sh) --install
 ```
 ```bash
 # 选择要安装的版本
-sudo bash <(curl -fsSL https://github.com/samsesh/gost/raw/master/install.sh)
+bash <(curl -fsSL https://github.com/samsesh/gost/raw/master/install.sh)
 ```
 
 
diff --git a/README_en.md b/README_en.md
index aae506b..75fdeb2 100644
--- a/README_en.md
+++ b/README_en.md
@@ -41,11 +41,11 @@ Legacy version: [v2.gost.run](https://v2.gost.run/en/)
 
 ```bash
 # install latest from https://github.com/go-gost/gost/releases](https://github.com/go-gost/gost/releases
-sudo bash <(curl -fsSL https://github.com/samsesh/gost/raw/master/install.sh) --install
+bash <(curl -fsSL https://github.com/samsesh/gost/raw/master/install.sh) --install
 ```
 ```bash
 # select version for install 
-sudo bash <(curl -fsSL https://github.com/samsesh/gost/raw/master/install.sh)
+bash <(curl -fsSL https://github.com/samsesh/gost/raw/master/install.sh)
 ```
 
 ### From source
diff --git a/install.sh b/install.sh
index 1bace4f..524acea 100755
--- a/install.sh
+++ b/install.sh
@@ -73,7 +73,7 @@ install_gost() {
     echo "Installing gost..."
     tar -xzf gost.tar.gz
     chmod +x gost
-    sudo mv gost /usr/local/bin/gost
+    mv gost /usr/local/bin/gost
 
     echo "gost installation completed!"
 }