diff --git a/.gitignore b/.gitignore
index cae53ca..3ccc515 100644
--- a/.gitignore
+++ b/.gitignore
@@ -190,6 +190,7 @@ test2.xlsx
 docker_vm_data
 vmware_vm_data
 .vmware*
+.aws*
 
 # result
 **/result*/**/*
diff --git a/desktop_env/desktop_env.py b/desktop_env/desktop_env.py
index 2b8da86..0c0f9aa 100644
--- a/desktop_env/desktop_env.py
+++ b/desktop_env/desktop_env.py
@@ -69,7 +69,7 @@ class DesktopEnv(gym.Env):
             self.path_to_vm = os.path.abspath(os.path.expandvars(os.path.expanduser(path_to_vm))) \
                 if provider_name in {"vmware", "virtualbox"} else path_to_vm
         else:
-            self.path_to_vm = self.manager.get_vm_path(self.os_type, region)
+            self.path_to_vm = self.manager.get_vm_path(os_type=self.os_type, region=region)
 
         self.snapshot_name = snapshot_name
         self.cache_dir_base: str = cache_dir
diff --git a/desktop_env/providers/aws/manager.py b/desktop_env/providers/aws/manager.py
index 188fb6b..78fecb5 100644
--- a/desktop_env/providers/aws/manager.py
+++ b/desktop_env/providers/aws/manager.py
@@ -16,7 +16,7 @@ DEFAULT_REGION = "us-east-1"
 # todo: public the AMI images
 IMAGE_ID_MAP = {
     "us-east-1": "ami-05e7d7bd279ea4f14",
-    "ap-east-1": "ami-0c092a5b8be4116f5"
+    "ap-east-1": "ami-0c092a5b8be4116f5",
 }
 
 INSTANCE_TYPE = "t3.medium"
@@ -71,13 +71,13 @@ class AWSVMManager(VMManager):
         self.lock = FileLock(".aws_lck", timeout=60)
         self.initialize_registry()
 
-    def initialize_registry(self):
+    def initialize_registry(self, **kwargs):
         with self.lock:  # Locking during initialization
             if not os.path.exists(self.registry_path):
                 with open(self.registry_path, 'w') as file:
                     file.write('')
 
-    def add_vm(self, vm_path, region=DEFAULT_REGION, lock_needed=True):
+    def add_vm(self, vm_path, region=DEFAULT_REGION, lock_needed=True, **kwargs):
         if lock_needed:
             with self.lock:
                 self._add_vm(vm_path, region)
@@ -92,7 +92,7 @@ class AWSVMManager(VMManager):
         with open(self.registry_path, 'w') as file:
             file.writelines(new_lines)
 
-    def delete_vm(self, vm_path, region=DEFAULT_REGION, lock_needed=True):
+    def delete_vm(self, vm_path, region=DEFAULT_REGION, lock_needed=True, **kwargs):
         if lock_needed:
             with self.lock:
                 self._delete_vm(vm_path, region)
@@ -112,7 +112,7 @@ class AWSVMManager(VMManager):
         with open(self.registry_path, 'w') as file:
             file.writelines(new_lines)
 
-    def occupy_vm(self, vm_path, pid, region=DEFAULT_REGION, lock_needed=True):
+    def occupy_vm(self, vm_path, pid, region=DEFAULT_REGION, lock_needed=True, **kwargs):
         if lock_needed:
             with self.lock:
                 self._occupy_vm(vm_path, pid, region)
@@ -132,7 +132,7 @@ class AWSVMManager(VMManager):
         with open(self.registry_path, 'w') as file:
             file.writelines(new_lines)
 
-    def check_and_clean(self, lock_needed=True):
+    def check_and_clean(self, lock_needed=True, **kwargs):
         if lock_needed:
             with self.lock:
                 self._check_and_clean()
@@ -215,7 +215,7 @@ class AWSVMManager(VMManager):
         # Since this can lead to unexpected delete on other server
         # PLease do monitor the instances to avoid additional cost
 
-    def list_free_vms(self, region=DEFAULT_REGION, lock_needed=True):
+    def list_free_vms(self, region=DEFAULT_REGION, lock_needed=True, **kwargs):
         if lock_needed:
             with self.lock:
                 return self._list_free_vms(region)
@@ -234,7 +234,7 @@ class AWSVMManager(VMManager):
 
         return free_vms
 
-    def get_vm_path(self, region=DEFAULT_REGION):
+    def get_vm_path(self, region=DEFAULT_REGION, **kwargs):
         with self.lock:
             if not AWSVMManager.checked_and_cleaned:
                 AWSVMManager.checked_and_cleaned = True
diff --git a/desktop_env/providers/aws/provider.py b/desktop_env/providers/aws/provider.py
index c15d15b..d7338d6 100644
--- a/desktop_env/providers/aws/provider.py
+++ b/desktop_env/providers/aws/provider.py
@@ -14,7 +14,7 @@ MAX_ATTEMPTS = 10
 
 class AWSProvider(Provider):
 
-    def start_emulator(self, path_to_vm: str, headless: bool):
+    def start_emulator(self, path_to_vm: str, headless: bool, *args, **kwargs):
         logger.info("Starting AWS VM...")
         ec2_client = boto3.client('ec2', region_name=self.region)
 
diff --git a/run_multienv.py b/run_multienv.py
index 8a8a417..823061b 100644
--- a/run_multienv.py
+++ b/run_multienv.py
@@ -221,6 +221,10 @@ def test(args: argparse.Namespace, test_all_meta: dict) -> None:
         env = DesktopEnv(
             path_to_vm=args.path_to_vm,
             action_space=agent.action_space,
+
+            provider_name="aws",
+            region="us-east-1",
+
             screen_size=(args.screen_width, args.screen_height),
             headless=args.headless,
             os_type="Ubuntu",