diff --git a/sim_scenes/science/speed_of_light_3d.py b/sim_scenes/science/speed_of_light_3d.py
index 7809fe513c65c7a63941f0ecc5bda9cd825f8cd9..4e2f3016c63f17ba09a25808b789d27093e73574 100644
--- a/sim_scenes/science/speed_of_light_3d.py
+++ b/sim_scenes/science/speed_of_light_3d.py
@@ -29,6 +29,8 @@ init = SpeedOfLightInit(camera_follow_light)
 # 创建太阳系天体（忽略质量，引力无效，初速度全部为0）
 bodies = create_solar_system_bodies(ignore_mass=True, init_velocity=[0, 0, 0])
 
+earth = bodies[3]
+earth.rotate_angle = -23.44
 jupiter, saturn, uranus, neptune = bodies[6:10]
 
 for big_body in [jupiter, saturn, uranus, neptune]:
@@ -41,13 +43,13 @@ for idx, body in enumerate(bodies):
     # if idx > 0:
     #     body.init_position[0] = body.diameter * body.size_scale
     #     body.init_position[1] = -body.radius * body.size_scale / 10
-    body.rotation_speed *= 20
+    body.rotation_speed *= 55
 
-if len(sys.argv) > 1:
-    camera_pos = sys.argv[1].replace("_", "")
-else:
-    camera_pos = "left"
-    camera_pos = "right"
+# if len(sys.argv) > 1:
+#     camera_pos = sys.argv[1].replace("_", "")
+# else:
+#     camera_pos = "left"
+camera_pos = "right"
 
 print("camera_pos:", camera_pos)
 camera_l2r = 0.002 * AU
diff --git a/tools/sim_video_3d_cap.bat b/tools/sim_video_3d_cap.bat
index 7146e8e687022543ed4a0df5098272a2eacca1fa..242151478d488fb5cee8922e836cffb922e5dcb9 100644
--- a/tools/sim_video_3d_cap.bat
+++ b/tools/sim_video_3d_cap.bat
@@ -17,9 +17,9 @@ CALL conda activate %env%
 %DISK%
 
 cd %SimFilePath%
-start python -m %SimFileName% %3
+start python -m %SimFileName%
 
 cd %SimDir%\tools
-python -m sim_video_3d_cap_ext --save_name=%SimFileName%%param3%.mp4
+python -m sim_video_3d_cap_ext --save_name=%SimFileName%.mp4 %param3%
 
 
diff --git a/tools/sim_video_3d_cap_ext.py b/tools/sim_video_3d_cap_ext.py
index 78de7fb8b91b9111703ee03ed025bc7e2536be9b..f9e78ef31076d93f625b8521d2bee761080af28c 100644
--- a/tools/sim_video_3d_cap_ext.py
+++ b/tools/sim_video_3d_cap_ext.py
@@ -31,10 +31,15 @@ def get_args():
     parser.add_argument('--fps', type=int, default=30, help='frame per second')
     parser.add_argument('--total_time', type=int, default=10000000, help='video total time')
     parser.add_argument('--save_name', type=str, default='video.mp4', help='save file name')
+    parser.add_argument('--start_index', type=int, default=-1, help='start_index')
     # parser.add_argument('--screen_type', default=0, type=int, choices=[0, 1], help='1: full screen, 0: region screen')
     args = parser.parse_args()
     print("total_time:", args.total_time)
     print("fps:", args.fps)
+
+    print("start_index:", args.start_index)
+    if args.start_index > 0:
+        args.save_name = args.save_name + ("_%s" % args.start_index)
     print("save_name:", args.save_name)
     return args
 
@@ -232,13 +237,17 @@ def get_frame_temp_data():
 
 
 def press_pause_key():
-    KEY_P = win32api.VkKeyScan('P')
-    win32api.PostMessage(window_handle, win32con.WM_KEYDOWN, KEY_P, 0x00190001)
+    try:
+        KEY_P = win32api.VkKeyScan('P')
+        win32api.PostMessage(window_handle, win32con.WM_KEYDOWN, KEY_P, 0x00190001)
+        return True
     # win32api.PostMessage(window_handle, win32api.VkKeyScan('P'), 0x0001 | 0x0008 | 0x0010 | 0x0020, 0)
     # win32api.PostMessage(0xFFFFFFF6,  win32api.VkKeyScan('P'), 0x0001 | 0x0008 | 0x0010 | 0x0020, 0)
     # win32api.PostMessage(window_handle, win32con.WM_KEYDOWN, win32api.VkKeyScan('P'), 0)  # 发送F9键
     # win32api.PostMessage(window_handle, win32con.WM_KEYUP, win32con.VK_F9, 0)
-    pass
+    except Exception as e:
+        print(str(e))
+        return False
 
 
 def make_3d_video():
@@ -255,7 +264,8 @@ def make_3d_video():
     video = create_video(args, img.shape[0], img.shape[1])
     imageNum = 0
     index_base = 0
-    last_index = 0
+    last_index = 0  # 最后一个index
+    completed_index = 0  # 最后完成的 index
     r_frames = {}
     l_frames = {}
     print("开始录屏")
@@ -270,6 +280,11 @@ def make_3d_video():
         _3d_card_p = _3d_card[10, 10,]
         index = int(_3d_card_p[1]) + int(_3d_card_p[0])
 
+        if index < args.start_index:
+            if imageNum % args.fps == 0:
+                print('X', end='')
+            continue
+
         if imageNum % 100 == 0:
             press_pause_key()
             create_frame_temp_files(index + index_base, l_frames, r_frames)
@@ -291,7 +306,7 @@ def make_3d_video():
 
         last_index = index
         index = index + index_base
-
+        completed_index = index
         if _3d_card_p[2] < 100:
             _3d_card_color = "b"
             _3d_card_direct = "right"
@@ -322,6 +337,7 @@ def make_3d_video():
         #     # show_image(frame)
         #     video.write(img)
 
+    print("3D视频处理（完成索引：%s）" % completed_index)
     handle_3d_video(video, l_frames, r_frames)
 
     print("视频保存中")