diff --git a/sim_scenes/sci_pop/sun_earth_moon.py b/sim_scenes/sci_pop/sun_earth_moon.py
index 15aabd87bd2ad8eae30012ca91b8ddbf5447185c..b041abfcf6628d455cdac20f5f4a9179768cda75 100644
--- a/sim_scenes/sci_pop/sun_earth_moon.py
+++ b/sim_scenes/sci_pop/sun_earth_moon.py
@@ -20,7 +20,7 @@ from simulators.ursina.entities.entity_utils import create_directional_light
 from simulators.ursina.ui.control_ui import ControlUI
 from simulators.ursina.ursina_config import UrsinaConfig
 from simulators.ursina.ursina_event import UrsinaEvent
-from simulators.ursina.ursina_mesh import create_orbit_by_points
+from simulators.ursina.ursina_mesh import create_orbit_by_points, create_circle_line
 
 
 class SunEarthMoonSim(UniverseSimScenes):
@@ -43,10 +43,10 @@ class SunEarthMoonSim(UniverseSimScenes):
         self.earth_start = Earth(size_scale=9.5e2, show_trail=False, rotation_speed=0)
 
         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)
+                                          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],
@@ -54,7 +54,10 @@ class SunEarthMoonSim(UniverseSimScenes):
                                             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]
+        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]
@@ -102,9 +105,10 @@ class SunEarthMoonSim(UniverseSimScenes):
 
         # TODO: 调试用
         if dt.month < 12:
-            UrsinaConfig.run_speed_factor = 200 * 24
+            UrsinaConfig.run_speed_factor = 50 * 24
         elif UrsinaConfig.run_speed_factor > 20 * 24:
             UrsinaConfig.run_speed_factor = 20 * 24
+        # TODO: 调试用
 
         if dt.month >= 12 and dt.day >= 31:
             if dt.hour > 20:
@@ -153,7 +157,12 @@ class SunEarthMoonSim(UniverseSimScenes):
         创建太阳系天体的真实轨迹（太阳和哈雷彗星除外）
         @return:
         """
-        self.create_orbit_line(self.sun, self.earth, self.start_time, alpha=0.5)
+        # self.moon.orbital_days=27.5
+        self.create_orbit_line(self.sun, self.earth, self.start_time, alpha=1)
+        # self.create_orbit_line(self.sun, self.moon, self.start_time, alpha=0.5)
+
+        orbit_line = create_circle_line(parent=self.earth.planet.main_entity, radius=10, thickness=2, color=self.moon.trail_color, alpha=1)
+        orbit_line.rotation_x = 40
 
         # for body in self.bodies[1:]:
         #     if isinstance(body, Earth):
@@ -211,7 +220,6 @@ class SunEarthMoonSim(UniverseSimScenes):
         # 月球围绕地球转一圈的时间，即月球真正的公转周期是一个恒星月，时间是27.5天 。
         # 而我们一般用从地球上看，月球完成一次朔望更替为一个月，叫一个朔望月，时间是29.5天。
 
-
         aspect_ratio = window.aspect_ratio
         position, origin = (0.5 * aspect_ratio - 0.15, -0.45), (-0.05, 0.1),
         # ControlUI.current_ui.show_message(dt.strftime('%Y-%m-%d'),
@@ -224,10 +232,10 @@ class SunEarthMoonSim(UniverseSimScenes):
         #                                   close_time=-1)
 
         self.text_panel.text = "\n日期时间：\n" + dt.strftime('%Y-%m-%d %H:%M') + "\n\n" + \
-                               "天数:" + str(round(total_days, 2))  + "\n\n" + \
-                               "月数:" + str(round(total_days/29.5, 2))
-                               # "运行速度:" + str(UrsinaConfig.run_speed_factor) + "\n" + \
-                               # "天数:" + str(round(total_days, 3))
+                               "天数:" + str(round(total_days, 2)) + "\n\n" + \
+                               "月数:" + str(round(total_days / 29.5, 2))
+        # "运行速度:" + str(UrsinaConfig.run_speed_factor) + "\n" + \
+        # "天数:" + str(round(total_days, 3))
 
     def update_text_panel(self, time_data):
         """
@@ -255,7 +263,7 @@ class SunEarthMoonSim(UniverseSimScenes):
         # self.set_window_size((1920 , 1080 ), False)
         camera_look_at(self.sun)
         # 显示网格以及坐标线
-        # self.show_grid_axises(scale_factor=100)
+        # self.show_grid_axises(scale_factor=8)
 
         # 创建太阳系天体的真实轨迹（太阳和哈雷彗星除外）
         self.create_orbit_lines()
@@ -280,7 +288,8 @@ class SunEarthMoonSim(UniverseSimScenes):
         self.start_time = start_time
         ursina_run(self.bodies,
                    SECONDS_PER_DAY / 24,
-                   position=(0, 3.5 * AU, -AU),
+                   # position=(0, 3.5 * AU, -AU), # 顶上
+                   position=(0, 1 * AU, -3.5*AU),
                    gravity_works=False,
                    cosmic_bg='',
                    show_trail=True,