elementui tree添加横向滚动条不生效问题

 

 

 

 

.project_tree {
  padding-left: 20px;
  height: calc(100vh - 303px);
  overflow: auto;
}
.tree{
  overflow-y: hidden;
  overflow-x: scroll;
  width:80px;
  height: 500px;
}
.el-tree {
  min-width: 100%;
  display:inline-block !important;
}