diff --git a/sim_scenes/featured/tri_bodies_01.py b/sim_scenes/featured/tri_bodies_01.py
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+++ b/sim_scenes/featured/tri_bodies_01.py
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+# -*- coding:utf-8 -*-
+# title           :三体场景模拟01
+# description     :三体场景模拟（3个太阳、1个地球）
+# author          :Python超人
+# date            :2023-02-11
+# link            :https://gitcode.net/pythoncr/
+# python_version  :3.8
+# ==============================================================================
+from bodies import Sun, Earth
+from common.consts import SECONDS_PER_WEEK, SECONDS_PER_YEAR, SECONDS_PER_MONTH, AU
+from sim_scenes.func import mayavi_run, ursina_run, create_sphere_sky
+from simulators.ursina.entities.body_timer import TimeData
+from simulators.ursina.ursina_event import UrsinaEvent
+
+if __name__ == '__main__':
+    """
+    3个太阳、1个地球（效果1）
+    可以修改影响效果的参数为： 
+    1、三个方向的初始位置 init_position[x, y, z]
+    2、三个方向的初始速度 init_velocity[x, y, z]
+    3、天体质量 mass    
+    """
+    bodies = [
+        Sun(mass=1.5e30, init_position=[849597870.700, 0, 0], init_velocity=[0, 7.0, 0],
+            size_scale=5e1, texture="sun2.jpg"),  # 太阳放大 50 倍
+        Sun(mass=2.1e30, init_position=[0, 0, 0], init_velocity=[0, -8.0, 0],
+            size_scale=5e1, texture="sun2.jpg"),  # 太阳放大 50 倍
+        Sun(mass=2.5e30, init_position=[0, -849597870.700, 0], init_velocity=[18.0, 0, 0],
+            size_scale=5e1, texture="sun2.jpg"),  # 太阳放大 50 倍
+        Earth(init_position=[0, -349597870.700, 0], init_velocity=[15.50, 0, 0],
+              size_scale=4e3, distance_scale=1),  # 地球放大 4000 倍，距离保持不变
+    ]
+    # 使用 mayavi 查看的运行效果
+    # mayavi_run(bodies, SECONDS_PER_WEEK, view_azimuth=0)
+    def on_ready():
+        from ursina import application, window
+        from ursina import camera
+        sky = create_sphere_sky(scale=80000, texture="bg_pan2.jpg")
+        camera.clip_plane_near = 1
+        camera.clip_plane_far = sky.scale_x*1.5
+
+    def on_timer_changed(time_data: TimeData):
+        pass
+
+    # 运行前会触发 on_ready
+    UrsinaEvent.on_ready_subscription(on_ready)
+    # 运行中，每时每刻都会触发 on_timer_changed
+    UrsinaEvent.on_timer_changed_subscription(on_timer_changed)
+
+    # 使用 ursina 查看的运行效果
+    # 常用快捷键： P：运行和暂停  O：重新开始  I：显示天体轨迹
+    # position = 左-右+、上+下-、前+后-
+    ursina_run(bodies, SECONDS_PER_YEAR,
+               cosmic_bg='',
+               show_grid=False,
+               position=(20 * AU, 0, -40 * AU),
+               show_trail=True,
+               timer_enabled=True)
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