fix css class name

RuoYi

2022-01-23 bd3b20e8ad6834824602f6d62b229568276b4ea7

 src/components/TreeSelect/index.vue

@@ -89,7 +89,7 @@
        proxy.$refs.selectTree.setCurrentKey(selectedValue) // 设置默认选中

        defaultExpandedKey.value = [selectedValue] // 设置默认展开

      }

    }else{

    } else {

      clearHandle()

    }

  })