更新 1.sh 脚本，添加软链接创建前的存在性检查，以避免重复创建软链接

1.sh

@@ -130,8 +130,12 @@ EOF
   #   . /etc/bash/bashrc
   #     . /etc/bash/*.sh
   if [ "$SYSTEM_TYPE" = "alpine" ]; then
-    ln -s /root/.bashrc /etc/bash/root-bashrc.sh
-    echo "已创建软链接: /etc/bash/root-bashrc.sh"
+    if [ ! -e "/etc/bash/root-bashrc.sh" ]; then
+      ln -s /root/.bashrc /etc/bash/root-bashrc.sh
+      echo "已创建软链接: /etc/bash/root-bashrc.sh"
+    else
+      echo "软链接已存在: /etc/bash/root-bashrc.sh"
+    fi
   fi
 
   print_yellow "别名配置已完成"