TesseractViewer cannot display the screen

[leiyu2023]

env: pyhton 3.8(conda) tesseract-robotics 0.2.0 viewer:0.2.5 win11

Problem description: It connects fine, but the display is blank

successfully installed the library through the following command

python -m pip install tesseract-robotics tesseract-robotics-viewer

The test code is as follows：

from tesseract_robotics.tesseract_environment import Environment
from tesseract_robotics.tesseract_common import ResourceLocator, SimpleLocatedResource
import os
import re
import traceback
from tesseract_robotics_viewer import TesseractViewer
import numpy as np
import time
import sys

shapes_urdf = """
<robot name="multipleshapes">

  <link name="world"/>
  <link name="cylinder_link">
    <visual>
      <geometry>
        <cylinder length="0.6" radius="0.2"/>
      </geometry>
      <material name="red">
        <color rgba="0.8 0 0 1"/>
      </material>
    </visual>
  </link>

  <joint name="clyinder_joint" type="revolute">
    <parent link="world"/>
    <child link="cylinder_link"/>
    <axis xyz="0 1 0"/>
    <limit effort="0" lower="-2.0944" upper="2.0944" velocity="6.2832"/>
  </joint>

  <link name="box_link">
    <visual>
      <geometry>
        <box size="0.6 0.1 0.2"/>
      </geometry>
      <material name="green">
        <color rgba="0 0.8 0 1"/>
      </material>
    </visual>
  </link>

  <joint name="box_joint" type="revolute">
    <parent link="world"/>
    <child link="box_link"/>
    <origin xyz="1 0 0"/>
    <axis xyz="0 1 0"/>
    <limit effort="0" lower="-2.0944" upper="2.0944" velocity="6.2832"/>
  </joint>

  <link name="sphere_link">
    <visual>
      <geometry>
        <sphere radius="0.5"/>
      </geometry>
      <material name="blue">
        <color rgba="0 0 0.8 1"/>
      </material>
    </visual>
  </link>

  <joint name="sphere_joint" type="revolute">
    <parent link="world"/>
    <child link="sphere_link"/>
    <origin xyz="2 0 0"/>
    <axis xyz="0 1 0"/>
    <limit effort="0" lower="-2.0944" upper="2.0944" velocity="6.2832"/>
  </joint>

</robot>
"""

TESSERACT_SUPPORT_DIR = os.environ["TESSERACT_SUPPORT_DIR"]

class TesseractSupportResourceLocator(ResourceLocator):
    def __init__(self):
        super().__init__()

    def locateResource(self, url):
        try:
            try:
                if os.path.exists(url):
                    return SimpleLocatedResource(url, url, self)
            except:
                pass
            url_match = re.match(r"^package:\/\/tesseract_support\/(.*)$", url)
            if (url_match is None):
                print("url_match failed")
                return None
            if not "TESSERACT_SUPPORT_DIR" in os.environ:
                return None
            tesseract_support = os.environ["TESSERACT_SUPPORT_DIR"]
            filename = os.path.join(tesseract_support, os.path.normpath(url_match.group(1)))
            ret = SimpleLocatedResource(url, filename, self)
            return ret
        except:
            traceback.print_exc()

t_env = Environment()

# locator must be kept alive by maintaining a reference
locator = TesseractSupportResourceLocator()
t_env.init(shapes_urdf, locator)

viewer = TesseractViewer()

viewer.update_environment(t_env, [0, 0, 0])

viewer.start_serve_background()

if sys.version_info[0] < 3:
    raw_input("press enter")
else:
    input("press enter")