diff --git a/sim_lab/wormhole_sim.py b/sim_lab/wormhole_sim.py
index 91f2fb1ed9611be51dbd01afccfdb0c1afbf8675..88e101ff9a43d6ffab0bb930145fa9a9e03a79aa 100644
--- a/sim_lab/wormhole_sim.py
+++ b/sim_lab/wormhole_sim.py
@@ -6,7 +6,9 @@
 # link            :https://gitcode.net/pythoncr/
 # python_version  :3.9
 # ==============================================================================
-from bodies import Sun, Earth
+import random
+
+from bodies import Sun, Earth, FixedStar
 from sim_scenes.universe_sim_scenes import UniverseSimScenes
 from simulators.ursina.entities.entity_utils import create_ambient_light
 from bodies.universe_body import create_universe_body
@@ -64,10 +66,12 @@ class WormholeSim(UniverseSimScenes):
         self.current_universe = None
         self.target_universe = None
         self.universes = []
+        self.fixed_stars = []
         self.wormhole_infos = {}
 
         self.create_universes()
-        self.bodies = [self.camera_target] + self.universes
+        self.create_fixed_stars()
+        self.bodies = [self.camera_target] + self.universes + self.fixed_stars
 
     def create_universe(self, name, idx, position):
         if name is None:
@@ -77,9 +81,29 @@ class WormholeSim(UniverseSimScenes):
                                              init_position=position,
                                              init_velocity=[0, 0, 0],
                                              )
-
+        universe_body.set_light_disable(True)
         return universe_body
 
+    def fixed_stars_D(self):
+        r = random.random()
+        D = self.D * (2 + r)
+        return D
+
+    def create_fixed_stars(self):
+        D = self.fixed_stars_D
+        positions = [[D(), D(), D()], [D(), D(), -D()], [D(), -D(), D()],
+                     [D(), -D(), -D()], [-D(), D(), D()], [-D(), D(), -D()],
+                     [-D(), -D(), D()], [-D(), -D(), -D()]]
+
+        # positions = [[D, D, D], [D, D, -D], [D, -D, D], [D, 0, D], [D, 0, - D], [D, 0, D],
+        #              [D, -D, -D], [-D, D, D], [-D, D, -D], [0, -D, -D], [0, D, D], [0, D, -D],
+        #              [-D, -D, D], [-D, -D, -D], [-D, -D, 0], [-D, -D, 0]]
+
+        for position in positions:
+            fixed_star = FixedStar(color=(200, 200, 200), size_scale=0.5, init_position=position)
+            fixed_star.glows = (0, 1.1, 1.08)
+            self.fixed_stars.append(fixed_star)
+
     def create_universes(self):
         D = self.D
         #     camera_target_init_speed: int = 100
@@ -155,7 +179,7 @@ class WormholeSim(UniverseSimScenes):
         # camera.scale = 1000
         # camera.parent = camera_target.planet
         # camera.rotation_x = 90
-        camera.fov = 100
+        camera.fov = 120
 
         for universe in self.universes:
             universe.planet.collider = "sphere"
@@ -458,6 +482,7 @@ class WormholeSim(UniverseSimScenes):
                    gravity_works=False,
                    # bg_music='sounds/no_glory.mp3',
                    timer_enabled=True,
+                   video_recoder=True,
                    show_exit_button=False,
                    show_grid=False,
                    show_camera_info=False,
diff --git a/tools/sim_video_cap.bat b/tools/sim_video_cap.bat
index 33d44c7345a130f003467b9176629490cf15ce5e..025a05f31efb86ea73dff7ec34a8d73767f9862a 100644
--- a/tools/sim_video_cap.bat
+++ b/tools/sim_video_cap.bat
@@ -8,6 +8,7 @@ SET SimDir=%DISK%/works/gitcode/universe_sim
 SET SimFileDir=%1
 SET SimFileName=%2
 SET param3=%3
+SET param4=%4
 
 SET PYTHONPATH=%SimDir%;
 SET SimFilePath=%SimDir%/sim_scenes/%SimFileDir%/
@@ -20,6 +21,6 @@ cd %SimFilePath%
 start python -m %SimFileName% %3
 
 cd %SimDir%\tools
-python -m sim_video_cap --save_name=%param3%
+python -m sim_video_cap --save_name=%param3% --wait=%param4%
 
 
diff --git a/tools/sim_video_cap.py b/tools/sim_video_cap.py
index 550d686ecd137e10786298706d007733131ceb86..7cb7b7ab149bf6e297877bc4277d309da1ef4ec6 100644
--- a/tools/sim_video_cap.py
+++ b/tools/sim_video_cap.py
@@ -26,11 +26,14 @@ 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('--wait', type=int, default=0, help='wait for recoding')
+
     # 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("save_name:", args.save_name)
+    print("wait:", args.wait)
     return args
 
 
@@ -67,6 +70,17 @@ def screen_shot(window_img_dc):
 #                 return True
 #     return False
 
+def wait_sec(sec=0):
+    print("等待 %s 秒" % sec)
+    times = sec * 100
+    while True:
+        if sec < 0:
+            return
+        time.sleep(0.01)
+        times -= 1
+        if times <= 0:
+            return
+
 
 def sim_window_screen_shot(wait_ses=-1):
     times = wait_ses * 100
@@ -115,6 +129,9 @@ if __name__ == '__main__':
         print("没有找到模拟器窗口，录屏失败！")
         exit(1)
 
+    if args.wait > 0:
+        wait_sec(args.wait)
+
     # show_image(img)
     video = create_video(args, img.shape[0], img.shape[1])
     imageNum = 0