app-tree-picker.less

.app-tree-picker {
  .ivu-dropdown{
    .ivu-dropdown-rel{
      .tree-input{
        .ivu-input-suffix{
          width: auto;
          text-align: right;
          .icon-arrow{
            margin-right: 4px;
          }
        }
        .el-icon-circle-close{
          display: none;
        }
      }
      .tree-input:hover{
        .el-icon-circle-close{
          display: inline-block;
        }
      }
    }
    .ivu-select-dropdown{
      max-height: 200px;
      overflow: scroll;
      .tree-contant{
        overflow:inherit;
      }
    }

  }
}