diff --git a/Menus/Software.sh b/Menus/Software.sh
index f6ba506..311c720 100644
--- a/Menus/Software.sh
+++ b/Menus/Software.sh
@@ -47,6 +47,7 @@ done
 echo "请输入需要安装的软件序号（默认安装全部）"
 read -p "用 空格 隔开：" pick
 
+pick="$pick "
 
 if [[ -z $pick ]];then
   for (( i = 1; i <= ${#soft_dick[@]}; i++ )); do
@@ -56,7 +57,7 @@ if [[ -z $pick ]];then
           pick="$i"
       fi
   done
-elif [[ $pick =~ [^1-${#soft_dick[@]}\s] ]];then
+elif ! [[ $pick =~ [1-${#soft_dick[@]}?=\s]+ ]];then
   echo "输入错误"
   exit
 fi