diff --git a/sim_scenes/sci_pop/sun_earth_moon.py b/sim_scenes/sci_pop/sun_earth_moon.py
index 4f1cf42ca145586e070772b3ba251e1924d3cbae..15aabd87bd2ad8eae30012ca91b8ddbf5447185c 100644
--- a/sim_scenes/sci_pop/sun_earth_moon.py
+++ b/sim_scenes/sci_pop/sun_earth_moon.py
@@ -42,7 +42,19 @@ class SunEarthMoonSim(UniverseSimScenes):
         self.earth = Earth(size_scale=10e2, show_trail=False)
         self.earth_start = Earth(size_scale=9.5e2, show_trail=False, rotation_speed=0)
 
-        self.bodies = [self.sun, self.earth, self.moon, self.earth_start]
+        self.camera_look = CoreValagaClas(name="摄像机镜头", mass=1e30, color=(111, 140, 255),
+                                            init_position=[0, 0, 0],
+                                            # init_position=[0, 3.3 * AU, -AU],
+                                            init_velocity=[0, 0, 0],
+                                            size_scale=1e4).set_ignore_gravity(True)
+
+        self.camera_target = CoreValagaClas(name="摄像机目的", mass=1e30, color=(111, 140, 255),
+                                            # init_position=[0, 0, 0],
+                                            init_position=[0, 3.3 * AU, -AU],
+                                            init_velocity=[0, 0, 0],
+                                            size_scale=1e4).set_ignore_gravity(True)
+
+        self.bodies = [self.sun, self.earth, self.moon, self.earth_start, self.camera_look, self.camera_target]
 
         for body in self.bodies:
             body.init_velocity = [0, 0, 0]