修复cron正则匹配

shell/update.sh

@@ -135,6 +135,7 @@ add_cron() {
             )
             cron_name=$(grep "new Env" $file | awk -F "\(" '{print $2}' | awk -F "\)" '{print $1}' | sed 's:^.\(.*\).$:\1:' | head -1)
             [[ -z $cron_name ]] && cron_name="$file_name"
+            [[ -z $cron_line ]] && cron_line=$(grep "cron:" $file | awk -F ":" '{print $2}' | xargs)
             [[ -z $cron_line ]] && cron_line="0 6 * * *"
             result=$(add_cron_api "$cron_line:$cmd_task $file:$cron_name")
             echo -e "$result"