diff --git a/sim_scenes/solar_system/halley_comet_sim.py b/sim_scenes/solar_system/halley_comet_sim.py
index 857b6867c0acd6523afeb7509248d26806eecbdd..c71235426a09797a15b0abc5a9986d49ad7bee68 100644
--- a/sim_scenes/solar_system/halley_comet_sim.py
+++ b/sim_scenes/solar_system/halley_comet_sim.py
@@ -35,7 +35,7 @@ class HalleyCometSim:
             self.sun,  # 太阳放大 80 倍
             # Mercury(size_scale=4e3, distance_scale=1.3),  # 水星放大 4000 倍，距离放大 1.3 倍
             # Venus(size_scale=4e3, distance_scale=1.3),  # 金星放大 4000 倍，距离放大 1.3 倍
-            Earth(size_scale=4e3, distance_scale=1.3, rotate_angle=0),  # 地球放大 4000 倍，距离放大 1.3 倍
+            Earth(size_scale=10e3, distance_scale=1, rotate_angle=0),  # 地球放大 4000 倍，距离放大 1.3 倍
             # Mars(size_scale=4e3, distance_scale=1.2),  # 火星放大 4000 倍，距离放大 1.2 倍
             Jupiter(size_scale=1.68e3, distance_scale=1),  # 木星放大 680 倍，距离缩小到真实距离的 0.72
             Saturn(size_scale=1.68e3, distance_scale=1),  # 土星放大 680 倍，距离缩小到真实距离的 0.52
@@ -56,12 +56,12 @@ class HalleyCometSim:
         # 每76.1年环绕太阳一周的周期彗星
         # 3.335, 0, 10.7   73
         # 3.33, 0, 10.7     73
-        # [3.33, 0, 10.65]  71
+        # [3.335, 0, 10.699] 71
         # [3.33, 0, 10.655] 68
         # [3.33, 0, 10.66]  69
         self.halley_comet = HalleComet(  # size_scale=4e7,
             size_scale=1e8,
-            init_velocity=[3.33, 0, 10.699],  # [3.33, 0, 10.6] < ? <[3.34, 0, 10.7]
+            init_velocity=[3.34, 0, 10.7],  # [3.33, 0, 10.6] < ? <[3.34, 0, 10.7]
             init_position=[0, 0.5 * AU, -10 * AU]) \
             .set_light_disable(True)