diff --git a/docs/detailed_setups/VAB-OmniGibson.md b/docs/detailed_setups/VAB-OmniGibson.md
index 6586d21..6ce29dd 100644
--- a/docs/detailed_setups/VAB-OmniGibson.md
+++ b/docs/detailed_setups/VAB-OmniGibson.md
@@ -32,7 +32,7 @@
             docker load -i VAB-OmniGibson-Docker/vab_omnigibson.tar
             ```
 
-4. Download datasets of OmniGibson, VAB-OmniGibson test activities, and related scene files. Note that about 25 GB data will be downloaded to `data/omnigibson`, and make sure you have access to google drive.
+4. Download datasets of OmniGibson, VAB-OmniGibson test activities, and related scene files. Note that about 25 GB data will be downloaded to `data/omnigibson`, and make sure you have access to google drive. During the download process, you will be prompted to accept the OmniGibson user agreement.
     
     ```bash
     python scripts/omnigibson_download.py
diff --git a/scripts/omnigibson_download.py b/scripts/omnigibson_download.py
index 9b8bacb..df2aeec 100644
--- a/scripts/omnigibson_download.py
+++ b/scripts/omnigibson_download.py
@@ -68,8 +68,8 @@ def main():
             subprocess.run(["rm", "data/omnigibson/datasets/og_assets.tar.gz"])
     
     if os.path.exists("data/omnigibson/datasets/og_dataset/scenes/Beechwood_0_int/json/Beechwood_0_int_best.json"):
-        subprocess.run(["rm", "-rf", "data/omnigibson/datasets/og_dataset/scenes/*"])
-        subprocess.run(["mv", "data/omnigibson/vab_omnigibson_scenes/*", "data/omnigibson/datasets/og_dataset/scenes/"])
+        subprocess.run(["rm", "-rf", "data/omnigibson/datasets/og_dataset/scenes"])
+        subprocess.run(["cp", "-r", "data/omnigibson/vab_omnigibson_scenes", "data/omnigibson/datasets/og_dataset/scenes"])
 
     print("\n")
     print_omniverse_agreement()
diff --git a/src/server/tasks/minecraft/task.py b/src/server/tasks/minecraft/task.py
index 71e08d4..7b3a8b1 100644
--- a/src/server/tasks/minecraft/task.py
+++ b/src/server/tasks/minecraft/task.py
@@ -78,7 +78,7 @@ class Minecraft(Task):
 
 async def main():
     available_ports = [11000, 11001, 11002]
-    available_devices = {"9":6, "1":6, "2":6}
+    available_devices = {"1":6, "2":6}
     data_dir = "data/minecraft"
     output_dir = "outputs/minecraft"
     max_round = 100
diff --git a/src/server/tasks/omnigibson/vab_omnigibson_src/env.py b/src/server/tasks/omnigibson/vab_omnigibson_src/env.py
index 6174c9a..a74a735 100644
--- a/src/server/tasks/omnigibson/vab_omnigibson_src/env.py
+++ b/src/server/tasks/omnigibson/vab_omnigibson_src/env.py
@@ -345,7 +345,7 @@ class Env(object):
                 if func == "move" and obj not in self.seen_objs and obj not in self.visible_objs and obj not in self.grasped_obj:
                     return False, f"Can not move to the object! Object {arg} hasn't seen by the robot."
                 if func == "move" and obj not in self.visible_objs and obj not in self.grasped_obj and \
-                    self.env.scene._seg_map.get_room_instance_by_point(obj.get_position()[:2]) != self.current_room:
+                    self.env.scene._seg_map.get_room_instance_by_point(obj.get_position()[:2]) != self.current_room and "None" not in self.current_room:
                     return False, f"Can not move to the object! Object {arg} isn't in the same room with the robot."
                 
                 arg_objs.append(obj)
diff --git a/src/server/tasks/omnigibson/vab_omnigibson_src/utils/actions.py b/src/server/tasks/omnigibson/vab_omnigibson_src/utils/actions.py
index 06e9747..70ea19e 100644
--- a/src/server/tasks/omnigibson/vab_omnigibson_src/utils/actions.py
+++ b/src/server/tasks/omnigibson/vab_omnigibson_src/utils/actions.py
@@ -446,7 +446,6 @@ def toggle_on(robot, obj):
         return False, "Cannot toggle on! Object is not toggleable!"
     
     robot_pos = robot.get_position()
-    obj_pos = obj.get_position()
     dis = distance_to_cuboid(robot_pos, obj.aabb)
     if dis > delta:
         return False, f"Cannot toggle on! The object is not within reach of the robot!"
@@ -464,7 +463,6 @@ def toggle_off(robot, obj):
         return False, "Cannot toggle off! Object is not toggleable!"
     
     robot_pos = robot.get_position()
-    obj_pos = obj.get_position()
     dis = distance_to_cuboid(robot_pos, obj.aabb)
     if dis > delta:
         return False, f"Cannot toggle off! The object is not within reach of the robot!"