diff --git a/sim_scenes/featured/tri_bodies_01.py b/sim_scenes/featured/tri_bodies_01.py
index 3b30a912b751df0f7e4d3454ab1858f5bea86ced..9eae071c2a8cd61072d806585a8d99f1db2cf033 100644
--- a/sim_scenes/featured/tri_bodies_01.py
+++ b/sim_scenes/featured/tri_bodies_01.py
@@ -21,13 +21,13 @@ if __name__ == '__main__':
     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=1.55e30, init_position=[8.5e8, 0, 1000000], init_velocity=[0.0, 7.1, 0],
+            size_scale=5e1, texture="sun21.jpg", color=(111, 140, 255)),  # 蓝色太阳
         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=5e1, texture="sun21.jpg", color=(250, 195, 47)),  # 红色太阳
+        Sun(mass=2.5e30, init_position=[0, -8.5e8, -2000000], init_velocity=[12.0, 0, 0],
+            size_scale=5e1, texture="sun21.jpg", color=(198, 29, 3)),  # 黄色太阳
+        Earth(init_position=[0, -3.5e8, 3000000], init_velocity=[13.360, 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
@@ -35,7 +35,7 @@ if __name__ == '__main__':
     def on_ready():
         from ursina import application, window
         from ursina import camera
-        sky = create_sphere_sky(scale=80000, texture="bg_pan2.jpg")
+        sky = create_sphere_sky(scale=80000, texture="bg_pan_blue.jpg")
         camera.clip_plane_near = 1
         camera.clip_plane_far = sky.scale_x*1.5
 
@@ -50,7 +50,7 @@ if __name__ == '__main__':
     # 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,
+    ursina_run(bodies, SECONDS_PER_YEAR / 3,
                cosmic_bg='',
                show_grid=False,
                position=(20 * AU, 0, -40 * AU),