arcpy在mxd中添加空间库的图层没有按图层的别名显示

# coding=utf-8

import arcpy



aprx = arcpy.mp.ArcGISProject('CURRENT')

map = aprx.listMaps('地图')[0]

for lyr in map.listLayers():

    if lyr.isFeatureLayer:

        text = arcpy.Describe(lyr).aliasName

        lyr.name = text

aprx.save()