diff --git a/install.sh b/install.sh
index 18722b0..2870bb8 100644
--- a/install.sh
+++ b/install.sh
@@ -189,18 +189,33 @@ configure_aliyun_mirror() {
     print_step "配置阿里云镜像源..."
 
     case $OS in
-        ubuntu|debian)
+        ubuntu)
             # 备份原有源
             if [[ ! -f /etc/apt/sources.list.bak ]]; then
                 cp /etc/apt/sources.list /etc/apt/sources.list.bak
             fi
 
-            # 配置阿里云源
+            # 配置Ubuntu阿里云源
             cat > /etc/apt/sources.list << EOF
-deb http://mirrors.aliyun.com/$OS/ $(lsb_release -cs) main restricted universe multiverse
-deb http://mirrors.aliyun.com/$OS/ $(lsb_release -cs)-updates main restricted universe multiverse
-deb http://mirrors.aliyun.com/$OS/ $(lsb_release -cs)-backports main restricted universe multiverse
-deb http://mirrors.aliyun.com/$OS/ $(lsb_release -cs)-security main restricted universe multiverse
+deb http://mirrors.aliyun.com/ubuntu/ $(lsb_release -cs) main restricted universe multiverse
+deb http://mirrors.aliyun.com/ubuntu/ $(lsb_release -cs)-updates main restricted universe multiverse
+deb http://mirrors.aliyun.com/ubuntu/ $(lsb_release -cs)-backports main restricted universe multiverse
+deb http://mirrors.aliyun.com/ubuntu/ $(lsb_release -cs)-security main restricted universe multiverse
+EOF
+            print_success "阿里云源配置完成"
+            ;;
+        debian)
+            # 备份原有源
+            if [[ ! -f /etc/apt/sources.list.bak ]]; then
+                cp /etc/apt/sources.list /etc/apt/sources.list.bak
+            fi
+
+            # 配置Debian阿里云源
+            cat > /etc/apt/sources.list << EOF
+deb http://mirrors.aliyun.com/debian/ $(lsb_release -cs) main contrib non-free non-free-firmware
+deb http://mirrors.aliyun.com/debian/ $(lsb_release -cs)-updates main contrib non-free non-free-firmware
+deb http://mirrors.aliyun.com/debian/ $(lsb_release -cs)-backports main contrib non-free non-free-firmware
+deb http://mirrors.aliyun.com/debian-security $(lsb_release -cs)-security main contrib non-free non-free-firmware
 EOF
             print_success "阿里云源配置完成"
             ;;
@@ -216,7 +231,6 @@ EOF
             ;;
     esac
 }
-
 ################################################################################
 # 安装依赖环境
 ################################################################################