diff --git a/sim_scenes/featured/earth_seasons_1.py b/sim_scenes/featured/earth_seasons_1.py
index 0d8c5a0ca1025bc61480b48163c73a1585c5f49d..a27320998a5de78830169e16eb079854b849bf76 100644
--- a/sim_scenes/featured/earth_seasons_1.py
+++ b/sim_scenes/featured/earth_seasons_1.py
@@ -19,7 +19,7 @@ class EarthSeasonsSim(EarthSeasonsSimBase):
         super(EarthSeasonsSim, self).__init__(sun_transparent=False,
                                               show_sphere_sky=False,
                                               look_at_earth=False,
-                                              exit_at_total_days=400,
+                                              # exit_at_total_days=400,
                                               earth_cn_size_factor=1.01,
                                               show_name=False)
 
@@ -33,4 +33,4 @@ if __name__ == '__main__':
     摄像机以侧视图（秋分侧）看太阳和地球（四季和24节气）
     """
     sim = EarthSeasonsSim()
-    sim.run((3 * AU, AU, 0))
+    sim.run(init_position=(3 * AU, AU, 0), speed_factor=10.0)
diff --git a/sim_scenes/featured/earth_seasons_2.py b/sim_scenes/featured/earth_seasons_2.py
index c9d7aa6c35c6807a662cee92a3445821e945092a..471ab2db235395de138b63d07b71858fcebc23f0 100644
--- a/sim_scenes/featured/earth_seasons_2.py
+++ b/sim_scenes/featured/earth_seasons_2.py
@@ -19,7 +19,7 @@ class EarthSeasonsSim(EarthSeasonsSimBase):
         super(EarthSeasonsSim, self).__init__(sun_transparent=False,
                                               show_sphere_sky=False,
                                               look_at_earth=False,
-                                              exit_at_total_days=400,
+                                              # exit_at_total_days=400,
                                               earth_cn_size_factor=1.01,
                                               show_name=False)
 
@@ -33,4 +33,4 @@ if __name__ == '__main__':
     摄像机以侧视图（夏至侧）看太阳和地球（四季和24节气）
     """
     sim = EarthSeasonsSim()
-    sim.run((0, AU, -3 * AU))
+    sim.run(init_position=(0, AU, -3 * AU), speed_factor=10.0)
diff --git a/sim_scenes/featured/earth_seasons_3.py b/sim_scenes/featured/earth_seasons_3.py
index 3b6aaeb709c95f646606e2f21a1197351e9717bd..0308d42e098eb999c2e69e8cb8db0c8fde74c49a 100644
--- a/sim_scenes/featured/earth_seasons_3.py
+++ b/sim_scenes/featured/earth_seasons_3.py
@@ -13,13 +13,13 @@ from sim_scenes.func import camera_look_at
 
 
 class EarthSeasonsSim(EarthSeasonsSimBase):
-    window_size = (1920 / 3, 1080 / 3)
+    window_size = (1920 / 2, 1080 / 2)
 
     def __init__(self):
         super(EarthSeasonsSim, self).__init__(sun_transparent=False,
                                               show_sphere_sky=False,
                                               look_at_earth=False,
-                                              exit_at_total_days=400,
+                                              # exit_at_total_days=400,
                                               earth_cn_size_factor=1.01,
                                               show_name=False)
 
@@ -33,4 +33,4 @@ if __name__ == '__main__':
     摄像机以俯视图看太阳和地球（四季和24节气）
     """
     sim = EarthSeasonsSim()
-    sim.run((0, 4 * AU, 0))
+    sim.run(init_position=(0, 4 * AU, 0), speed_factor=10.0)
diff --git a/sim_scenes/featured/earth_seasons_base.py b/sim_scenes/featured/earth_seasons_base.py
index 29ad0a45ce3995b60116f091b4961117bd302ebd..883e47c4a5822ec7ae25bee480a7380762879c1e 100644
--- a/sim_scenes/featured/earth_seasons_base.py
+++ b/sim_scenes/featured/earth_seasons_base.py
@@ -152,7 +152,7 @@ class EarthSeasonsSimBase(UniverseSimScenes):
         from ursina import application, invoke
         def delay_app_start():
             import time
-            time.sleep(8.0)
+            time.sleep(8.0 / self.speed_factor)
             self.wait_days_count = 0
             application.paused = False
 
@@ -199,7 +199,8 @@ class EarthSeasonsSimBase(UniverseSimScenes):
 
         # print(camera.rotation_y)
 
-    def run(self, init_position=(0, 0, 0)):
+    def run(self, init_position=(0, 0, 0), speed_factor=1.0):
+        self.speed_factor = speed_factor
         # 订阅事件后，上面2个函数功能才会起作用
         # 运行前会触发 on_ready
         UrsinaEvent.on_ready_subscription(self.on_ready)
@@ -210,7 +211,7 @@ class EarthSeasonsSimBase(UniverseSimScenes):
         # 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(self.bodies, SECONDS_PER_DAY,
+        ursina_run(self.bodies, SECONDS_PER_DAY * speed_factor,
                    position=init_position,  # 摄像机和太阳是相同位置
                    show_name=self.show_name,
                    show_grid=False,