diff --git a/sim_scenes/solar_system/halley_comet_sim.py b/sim_scenes/solar_system/halley_comet_sim.py
index b380d8b7497390eece9d2a6dc175480e9fca002d..c4332258dddb1e360d8e16c57f73fcf0023e1d7a 100644
--- a/sim_scenes/solar_system/halley_comet_sim.py
+++ b/sim_scenes/solar_system/halley_comet_sim.py
@@ -63,14 +63,17 @@ class HalleyCometSim(HalleyCometSimBase):
         @return:
         """
         # 创建天空
-        # UrsinaConfig.trail_type = "line"
+        create_sphere_sky(scale=200000)
+        # UrsinaConfig.trail_type = "curve_line"
         # UrsinaConfig.trail_thickness_factor = 3
+        UrsinaConfig.trail_type = "line"
+        UrsinaConfig.trail_thickness_factor = 3
         # UrsinaConfig.trail_length = 91
         UrsinaConfig.trail_length = 180
         UrsinaConfig.trail_factor = 3
         # camera.clip_plane_near = 0.1
         camera.clip_plane_far = 1000000
-        create_sphere_sky(scale=200000)
+
 
         # WorldGrid().draw_axises(10)
 
@@ -111,7 +114,11 @@ class HalleyCometSim(HalleyCometSimBase):
         set_solar_system_celestial_position(self.bodies, t, False)
 
     def create_year_label(self, trail, year, halley_comet_pos):
-        label = create_label(trail, label=year, pos=(0, 0, 0), color=(255, 255, 255), scale=40, alpha=1.0)
+        if trail is None:
+            pos = halley_comet_pos
+        else:
+            pos = (0, 0, 0)
+        label = create_label(trail, label=year, pos=pos, color=(255, 255, 255), scale=40, alpha=1.0)
         # label.udpate
         label.set_light_off()
 
diff --git a/simulators/ursina/entities/entity_utils.py b/simulators/ursina/entities/entity_utils.py
index b795ad32a242d56241318e481198ffe00672db84..c8d28bc708ff549de978a4cf8b3a6c519289e02a 100644
--- a/simulators/ursina/entities/entity_utils.py
+++ b/simulators/ursina/entities/entity_utils.py
@@ -258,7 +258,7 @@ def create_trail_line(parent, pos):
 
 def create_trail_curve_line(parent, pos):
     """
-    在天体当前的位置创建一个拖尾球体
+    在天体当前的位置创建一个拖尾曲线
     @param pos:
     @return:
     """