diff --git a/sim_lab/research_calc.py b/sim_lab/research_calc.py
index 5e4114506f0868904b3ec4302e22274825ee79ad..740a35b24576dfb74fc5fc38945221f7cad49f6a 100644
--- a/sim_lab/research_calc.py
+++ b/sim_lab/research_calc.py
@@ -63,8 +63,7 @@ def calc_simulator(target):
 
         context.init_param("acc_values", []).append(target.acceleration_value())
         context.init_param("vel_values", []).append(target.velocity_value())
-
-        print(satellite.acceleration_value(), satellite.velocity_value())
+        print(target.acceleration_value(), target.velocity_value())
 
     def on_finished(context: CalcContext):
         import matplotlib.pyplot as plt
@@ -104,6 +103,7 @@ def ursina_simulator():
     from simulators.ursina.entities.entity_utils import create_directional_light
     from simulators.ursina.ursina_event import UrsinaEvent
     from simulators.ursina.ursina_mesh import create_line
+
     def on_ready():
         # 运行前触发
         # 运行开始前，将摄像机指向地球