字段修改名称

把a1修改为a2

arcpy.AlterField_management("图框_point", 'a1', 'a2', 'a2别名')

AlterField_management (in_table, field, {new_field_name},
 {new_field_alias}, {field_type}, {field_length}, {field_is_nullable}, {clear_field_alias})