diff --git a/sim_scenes/tri_bodies/two_way_foil.py b/sim_scenes/tri_bodies/two_way_foil.py
index 0db4dc43a88d720dc52945436c12dab9517e9ac6..5b45f9dd83cacffae14d7a8bf6de5a38ab00b2f8 100644
--- a/sim_scenes/tri_bodies/two_way_foil.py
+++ b/sim_scenes/tri_bodies/two_way_foil.py
@@ -66,8 +66,8 @@ class TwoWayFoilSim:
         self.two_way_foil = QuadObj(texture='two_way_foil.png',
                                     # size_scale=4e7,
                                     size_scale=1e7,
-                                    init_velocity=[0, -6, 150],
-                                    init_position=[0, 0.5 * AU, -10 * AU]) \
+                                    init_velocity=[0, -50, 60],
+                                    init_position=[0, 5 * AU, -6 * AU]) \
             .set_light_disable(True).set_ignore_gravity(True)
         # 不断扩展的圆形二向箔
         self.two_way_foil_circle = CircleObj(texture="two_way_foil_circle.png",
@@ -173,7 +173,8 @@ class TwoWayFoilSim:
 
                 # 对Y轴进行压平动画，如果压平大小不足 1/50，则继续压缩，直到压缩到 1/50 就不压缩了
                 # （如果觉得 1/50 的厚度压的不够，还可以继续压缩，基本上就够了）
-                if planet.scale_y_v > planet.init_scale_y / 50:
+                # if planet.scale_y_v > planet.init_scale_y / 50:
+                if planet.scale_y_v > 0.5:
                     planet.scale_y_v /= 1.01
                 else:
                     self.gen_pixcel_image(planet)
@@ -223,6 +224,10 @@ class TwoWayFoilSim:
             def two_way_foil_update():
                 target = self.get_target()
 
+                if target is self.sun:
+                    # 关闭太阳的光晕
+                    self.sun.hide_children()
+
                 # 让实体A朝向实体B
                 # self.two_way_foil.planet.look_at(target)
                 if target is not None:
diff --git a/simulators/ursina_simulator.py b/simulators/ursina_simulator.py
index 61544786752c45e968a0078a973f1253f3f03d76..c38d5cf68a81e3347aba12bfdcf6e0917a090481 100644
--- a/simulators/ursina_simulator.py
+++ b/simulators/ursina_simulator.py
@@ -92,6 +92,10 @@ class UrsinaSimulator(Simulator):
         def body_visibled():
             return body.planet.enabled
 
+        def hide_children():
+            for c in body.planet.children:
+                c.enabled = False
+
         # Explosion animation
         def body_explode(target=None, scale=1, fps=6):
             # from panda3d.core import GeomUtils
@@ -144,6 +148,7 @@ class UrsinaSimulator(Simulator):
         body.set_visible = body_visible
         body.explode = body_explode
         body.visibled = body_visibled
+        body.hide_children = hide_children
 
     # def get_bodies_max_distance(self, body_views):
     #     max_distance = 0