diff --git a/sim_scenes/earth/earth.py b/sim_scenes/earth/earth.py
index f01892c183447f509894f0499567a6de6ed2bf80..85613b34a95ab63c9922b30f630eb93cb6ea083c 100644
--- a/sim_scenes/earth/earth.py
+++ b/sim_scenes/earth/earth.py
@@ -22,6 +22,7 @@ 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_HOUR, position=(0, 0, -20000),
-               # cosmic_bg="textures/cosmic1.jpg",
+    ursina_run(bodies, SECONDS_PER_HOUR,
+               position=(0, 0, -20000),
+               show_grid=False,
                view_closely=0.001)
diff --git a/sim_scenes/earth/earth_at_night.py b/sim_scenes/earth/earth_at_night.py
index 4f4575a7a6f997cb9578d0b8035ffa87bff9ff56..63ab1a551ab4a29d4a9ec16d728a415e276ce257 100644
--- a/sim_scenes/earth/earth_at_night.py
+++ b/sim_scenes/earth/earth_at_night.py
@@ -32,4 +32,6 @@ 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_HOUR / 2, position=(0, 120000, -2500000), cosmic_bg="textures/cosmic2.jpg")
+    ursina_run(bodies, SECONDS_PER_HOUR / 2,
+               position=(0, 120000, -2000000),
+               show_grid=False)
diff --git a/sim_scenes/earth/earth_clouds.py b/sim_scenes/earth/earth_clouds.py
index 41302fb231b156f0e29a40b6a93a4ad39e36836f..fb081d86d16db8df4987f6c7347bf86518e21de6 100644
--- a/sim_scenes/earth/earth_clouds.py
+++ b/sim_scenes/earth/earth_clouds.py
@@ -6,8 +6,7 @@
 # link            :https://gitcode.net/pythoncr/
 # python_version  :3.8
 # ==============================================================================
-from bodies import Earth, Sun
-from common.consts import AU
+from bodies import Earth
 from common.consts import SECONDS_PER_HOUR, SECONDS_PER_DAY
 from sim_scenes.func import ursina_run
 
@@ -21,7 +20,8 @@ if __name__ == '__main__':
 
     # 创建带有云层的地球
     earth_with_clouds = Earth(texture="earth_hd.jpg",
-                              init_position=[1.5 * earth.diameter, 0, 0], init_velocity=[0, 0, 0],
+                              init_position=[1.5 * earth.diameter, 0, 0],
+                              init_velocity=[0, 0, 0],
                               size_scale=1)
     # 创建云层（texture纹理图使用了透明云层的图片，云层的 size_scale 要稍微比地球大一点）
     clouds = Earth(name="地球云层", texture="transparent_clouds.png",
@@ -32,6 +32,7 @@ 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_HOUR / 2, position=(1.5 * earth.raduis, 0, -30000),
-               # cosmic_bg="textures/cosmic1.jpg",
+    ursina_run(bodies, SECONDS_PER_HOUR / 2,
+               position=(1.5 * earth.raduis, 0, -30000),
+               show_grid=False,
                view_closely=0.001)