diff --git a/control_src/consistency_checker.py b/control_src/consistency_checker.py
index 2a671db7..041b8a19 100644
--- a/control_src/consistency_checker.py
+++ b/control_src/consistency_checker.py
@@ -26,115 +26,120 @@ def read_yaml(file_path):
     "--simulator_model_param_file", help="Override the default simulator model parameter file path"
 )
 
-args = parser.parse_args()
+def main():
 
-autoware_launch_path = get_package_share_directory("autoware_launch")
-vehicle_description_path = get_package_share_directory(args.vehicle_description)
+    args = parser.parse_args()
 
-mpc_param_file_path = (
-    args.mpc_param_file
-    if args.mpc_param_file
-    else f"{autoware_launch_path}/config/control/trajectory_follower/lateral/mpc.param.yaml"
-)
-pid_param_file_path = (
-    args.pid_param_file
-    if args.pid_param_file
-    else f"{autoware_launch_path}/config/control/trajectory_follower/longitudinal/pid.param.yaml"
-)
-simulator_model_param_file_path = (
-    args.simulator_model_param_file
-    if args.simulator_model_param_file
-    else f"{vehicle_description_path}/config/simulator_model.param.yaml"
-)
+    autoware_launch_path = get_package_share_directory("autoware_launch")
+    vehicle_description_path = get_package_share_directory(args.vehicle_description)
 
-mpc_params = read_yaml(mpc_param_file_path)["/**"]["ros__parameters"]
-pid_params = read_yaml(pid_param_file_path)["/**"]["ros__parameters"]
-simulator_model_params = read_yaml(simulator_model_param_file_path)["/**"]["ros__parameters"]
+    mpc_param_file_path = (
+        args.mpc_param_file
+        if args.mpc_param_file
+        else f"{autoware_launch_path}/config/control/trajectory_follower/lateral/mpc.param.yaml"
+    )
+    pid_param_file_path = (
+        args.pid_param_file
+        if args.pid_param_file
+        else f"{autoware_launch_path}/config/control/trajectory_follower/longitudinal/pid.param.yaml"
+    )
+    simulator_model_param_file_path = (
+        args.simulator_model_param_file
+        if args.simulator_model_param_file
+        else f"{vehicle_description_path}/config/simulator_model.param.yaml"
+    )
 
-results = [
-    (
-        "[MPC] steer_delay_difference: {}, (controller: {}, simulator: {})".format(
-            simulator_model_params["steer_time_delay"] - mpc_params["input_delay"],
-            mpc_params["input_delay"],
-            simulator_model_params["steer_time_delay"],
-        )
-    ),
-    (
-        "[MPC] steer_time_constant_difference: {}, (controller: {}, simulator: {})".format(
-            simulator_model_params["steer_time_constant"] - mpc_params["vehicle_model_steer_tau"],
-            mpc_params["vehicle_model_steer_tau"],
-            simulator_model_params["steer_time_constant"],
-        )
-    ),
-    (
-        "[MPC] acceleration_limit_difference: {}, (controller: {}, simulator: {})".format(
-            simulator_model_params["vel_rate_lim"] - mpc_params["acceleration_limit"],
-            mpc_params["acceleration_limit"],
-            simulator_model_params["vel_rate_lim"],
-        )
-    ),
-    (
-        "[MPC] max_steer_rate_lim_difference_by_curvature: {}, (controller: {}, simulator: {})".format(
-            simulator_model_params["steer_rate_lim"]
-            - max(mpc_params["steer_rate_lim_dps_list_by_curvature"]) * (math.pi / 180),
-            max(mpc_params["steer_rate_lim_dps_list_by_curvature"]) * (math.pi / 180),
-            simulator_model_params["steer_rate_lim"],
-        )
-    ),
-    (
-        "[MPC] max_steer_rate_lim_difference_by_velocity: {}, (controller: {}, simulator: {})".format(
-            simulator_model_params["steer_rate_lim"]
-            - max(mpc_params["steer_rate_lim_dps_list_by_velocity"]) * (math.pi / 180),
-            max(mpc_params["steer_rate_lim_dps_list_by_velocity"]) * (math.pi / 180),
-            simulator_model_params["steer_rate_lim"],
-        )
-    ),
-    (
-        "[PID] max_acc_difference: {}, (controller: {}, simulator: {})".format(
-            simulator_model_params["vel_rate_lim"] - pid_params["max_acc"],
-            pid_params["max_acc"],
-            simulator_model_params["vel_rate_lim"],
-        )
-    ),
-    (
-        "[PID] min_acc_difference: {}, (controller: {}, simulator: {})".format(
-            -simulator_model_params["vel_rate_lim"] - pid_params["min_acc"],
-            pid_params["min_acc"],
-            -simulator_model_params["vel_rate_lim"],
-        )
-    ),
-    (
-        "[PID] accelerate_delay_difference: {}, (controller: {}, simulator: {})".format(
-            simulator_model_params["acc_time_delay"] - pid_params["delay_compensation_time"],
-            pid_params["delay_compensation_time"],
-            simulator_model_params["acc_time_delay"],
-        )
-    ),
-]
+    mpc_params = read_yaml(mpc_param_file_path)["/**"]["ros__parameters"]
+    pid_params = read_yaml(pid_param_file_path)["/**"]["ros__parameters"]
+    simulator_model_params = read_yaml(simulator_model_param_file_path)["/**"]["ros__parameters"]
 
-for item in results:
-    description = item.split(",")[0]
-    value = float(description.split(":")[1].strip())
-    error_message = ""
-    if (
-        "steer_delay_difference" in item
-        or "steer_time_constant_difference" in item
-        or "accelerate_delay_difference" in item
-    ):
-        if value != 0.0:
-            error_message = (
-                "[ERROR] The parameters of the controller and simulator should be identical.\033[0m"
+    results = [
+        (
+            "[MPC] steer_delay_difference: {}, (controller: {}, simulator: {})".format(
+                simulator_model_params["steer_time_delay"] - mpc_params["input_delay"],
+                mpc_params["input_delay"],
+                simulator_model_params["steer_time_delay"],
+            )
+        ),
+        (
+            "[MPC] steer_time_constant_difference: {}, (controller: {}, simulator: {})".format(
+                simulator_model_params["steer_time_constant"] - mpc_params["vehicle_model_steer_tau"],
+                mpc_params["vehicle_model_steer_tau"],
+                simulator_model_params["steer_time_constant"],
+            )
+        ),
+        (
+            "[MPC] acceleration_limit_difference: {}, (controller: {}, simulator: {})".format(
+                simulator_model_params["vel_rate_lim"] - mpc_params["acceleration_limit"],
+                mpc_params["acceleration_limit"],
+                simulator_model_params["vel_rate_lim"],
+            )
+        ),
+        (
+            "[MPC] max_steer_rate_lim_difference_by_curvature: {}, (controller: {}, simulator: {})".format(
+                simulator_model_params["steer_rate_lim"]
+                - max(mpc_params["steer_rate_lim_dps_list_by_curvature"]) * (math.pi / 180),
+                max(mpc_params["steer_rate_lim_dps_list_by_curvature"]) * (math.pi / 180),
+                simulator_model_params["steer_rate_lim"],
             )
-    if (
-        "acceleration_limit_difference" in item
-        or "max_steer_rate_lim_difference_by_curvature" in item
-        or "max_steer_rate_lim_difference_by_velocity" in item
-        or "max_acc_difference" in item
-    ):
-        if value < 0:
-            error_message = "[ERROR] The parameter of the controller should be smaller than the parameter of the simulator.\033[0m"
-    if "min_acc_difference" in item and value > 0:
-        error_message = "[ERROR] The parameter of the controller should be bigger than the parameter of the simulator.\033[0m"
-    print(f"{item}")
-    if error_message:
-        print(f"\033[91m{error_message}\033[0m\n")
+        ),
+        (
+            "[MPC] max_steer_rate_lim_difference_by_velocity: {}, (controller: {}, simulator: {})".format(
+                simulator_model_params["steer_rate_lim"]
+                - max(mpc_params["steer_rate_lim_dps_list_by_velocity"]) * (math.pi / 180),
+                max(mpc_params["steer_rate_lim_dps_list_by_velocity"]) * (math.pi / 180),
+                simulator_model_params["steer_rate_lim"],
+            )
+        ),
+        (
+            "[PID] max_acc_difference: {}, (controller: {}, simulator: {})".format(
+                simulator_model_params["vel_rate_lim"] - pid_params["max_acc"],
+                pid_params["max_acc"],
+                simulator_model_params["vel_rate_lim"],
+            )
+        ),
+        (
+            "[PID] min_acc_difference: {}, (controller: {}, simulator: {})".format(
+                -simulator_model_params["vel_rate_lim"] - pid_params["min_acc"],
+                pid_params["min_acc"],
+                -simulator_model_params["vel_rate_lim"],
+            )
+        ),
+        (
+            "[PID] accelerate_delay_difference: {}, (controller: {}, simulator: {})".format(
+                simulator_model_params["acc_time_delay"] - pid_params["delay_compensation_time"],
+                pid_params["delay_compensation_time"],
+                simulator_model_params["acc_time_delay"],
+            )
+        ),
+    ]
+
+    for item in results:
+        description = item.split(",")[0]
+        value = float(description.split(":")[1].strip())
+        error_message = ""
+        if (
+            "steer_delay_difference" in item
+            or "steer_time_constant_difference" in item
+            or "accelerate_delay_difference" in item
+        ):
+            if value != 0.0:
+                error_message = (
+                    "[ERROR] The parameters of the controller and simulator should be identical.\033[0m"
+                )
+        if (
+            "acceleration_limit_difference" in item
+            or "max_steer_rate_lim_difference_by_curvature" in item
+            or "max_steer_rate_lim_difference_by_velocity" in item
+            or "max_acc_difference" in item
+        ):
+            if value < 0:
+                error_message = "[ERROR] The parameter of the controller should be smaller than the parameter of the simulator.\033[0m"
+        if "min_acc_difference" in item and value > 0:
+            error_message = "[ERROR] The parameter of the controller should be bigger than the parameter of the simulator.\033[0m"
+        print(f"{item}")
+        if error_message:
+            print(f"\033[91m{error_message}\033[0m\n")
+
+if __name__ == '__main__':
+    main()
\ No newline at end of file