diff --git a/metadrive/engine/asset_loader.py b/metadrive/engine/asset_loader.py
index bfe226814..0a0962b8f 100644
--- a/metadrive/engine/asset_loader.py
+++ b/metadrive/engine/asset_loader.py
@@ -21,18 +21,6 @@ def init_loader(engine):
         """
         Due to the feature of Panda3d, keep reference of loader in static variable
         """
-        msg = "Assets folder doesn't exist. Begin to download assets..."
-        if not os.path.exists(AssetLoader.asset_path):
-            AssetLoader.logger.warning(msg)
-            pull_asset(False)
-        else:
-            if asset_version() != VERSION:
-                AssetLoader.logger.warning(
-                    "Assets version mismatch! Current: {}, Expected: {}. "
-                    "Update the assets by `python -m metadrive.pull_asset --update'".format(asset_version(), VERSION)
-                )
-            else:
-                AssetLoader.logger.info("Assets version: {}".format(VERSION))
         if engine.win is None:
             AssetLoader.logger.debug("Physics world mode")
             return
diff --git a/metadrive/engine/base_engine.py b/metadrive/engine/base_engine.py
index 54dba5e1d..f9a87083d 100644
--- a/metadrive/engine/base_engine.py
+++ b/metadrive/engine/base_engine.py
@@ -1,4 +1,7 @@
 import logging
+from metadrive.version import VERSION, asset_version
+import os
+from metadrive.pull_asset import pull_asset
 from metadrive.constants import RENDER_MODE_NONE, RENDER_MODE_OFFSCREEN, RENDER_MODE_ONSCREEN
 import pickle
 import time
@@ -28,6 +31,7 @@ class BaseEngine(EngineCore, Randomizable):
     global_random_seed = None
 
     def __init__(self, global_config):
+        self.try_pull_asset()
         EngineCore.__init__(self, global_config)
         Randomizable.__init__(self, self.global_random_seed)
         self.episode_step = 0
@@ -685,6 +689,21 @@ def warmup(self):
             barrier = None
             cone = None
 
+    @staticmethod
+    def try_pull_asset():
+        msg = "Assets folder doesn't exist. Begin to download assets..."
+        if not os.path.exists(AssetLoader.asset_path):
+            AssetLoader.logger.warning(msg)
+            pull_asset(False)
+        else:
+            if asset_version() != VERSION:
+                AssetLoader.logger.warning(
+                    "Assets version mismatch! Current: {}, Expected: {}. "
+                    "Update the assets by `python -m metadrive.pull_asset --update'".format(asset_version(), VERSION)
+                )
+            else:
+                AssetLoader.logger.info("Assets version: {}".format(VERSION))
+
 
 if __name__ == "__main__":
     from metadrive.envs.base_env import BASE_DEFAULT_CONFIG