diff --git a/init_bash.sh b/init_bash.sh
index 826dd07..83c7c13 100644
--- a/init_bash.sh
+++ b/init_bash.sh
@@ -1,8 +1,13 @@
+
+# 更新系统软件包
+apt update
+apt install sudo
+sudo su
+sudo apt upgrade -y
+
 sudo sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/*
 sudo sed -i 's/security.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list.d/*
 
-# 更新系统软件包
-sudo apt update && sudo apt upgrade -y
 
 # 安装 wget
 sudo apt install wget -y