优化选择数据逻辑，仅保留具有子项的行以便于删除操作

yyb

昨天 fa4a8a332b2b60b7b94b1f763091c1daf8927710

 src/views/tool/build/index.vue

@@ -307,7 +307,7 @@
</script>



<style lang='scss'>

$lighterBlue: #3472D7;

$lighterBlue: #2C51D9;



.container {

  position: relative;