diff --git a/sim_scenes/solar_system/speed_of_light.py b/sim_scenes/solar_system/speed_of_light.py
index a93e3c752482eca116c5fefef439a141b971e6bc..cee47b6bd0129214f12193a647fb5a643ca919de 100644
--- a/sim_scenes/solar_system/speed_of_light.py
+++ b/sim_scenes/solar_system/speed_of_light.py
@@ -10,9 +10,10 @@ from sim_scenes.func import ursina_run, create_solar_system_bodies, create_light
 from common.consts import LIGHT_SPEED
 from sim_scenes.solar_system.speed_of_light_init import SpeedOfLightInit
 
+# TODO: 三种不同的摄像机视角
 camera_follow_light = None  # 摄像机固定，不会跟随光
 camera_follow_light = 'ForwardView'  # 摄像机跟随光，方向是向前看
-# camera_follow_light = 'SideView'  # 摄像机跟随光，方向是侧面看
+camera_follow_light = 'SideView'  # 摄像机跟随光，方向是侧面看
 
 # 实例化一个初始化对象（订阅事件，记录到达每个行星所需要的时间）
 init = SpeedOfLightInit(camera_follow_light)