diff --git a/sim_scenes/earth/earth_moon6.py b/sim_scenes/earth/earth_moon6.py
index 9fd60b1b54bcc7ae375c85c3d5fba338331e70ef..e16f5173dba0ae1c880d01c4d37a78d960222e88 100644
--- a/sim_scenes/earth/earth_moon6.py
+++ b/sim_scenes/earth/earth_moon6.py
@@ -18,7 +18,7 @@ if __name__ == '__main__':
     """
     # 地球在中心位置
     earth = Earth(init_position=[0, 0, 0], init_velocity=[0, 0, 0],
-                  rotation_speed=0, texture="earth_hd.jpg")
+                  texture="earth_hd.jpg")
     D = earth.diameter * 1.2
     init_vel = 5.116
     # 在地球周围创建 6 个月球（初速度为0）