diff --git a/astrbot/core/computer/booters/shipyard_neo.py b/astrbot/core/computer/booters/shipyard_neo.py
index 431d21391..9db855430 100644
--- a/astrbot/core/computer/booters/shipyard_neo.py
+++ b/astrbot/core/computer/booters/shipyard_neo.py
@@ -474,9 +474,7 @@ class ShipyardNeoBooter(ComputerBooter):
         return self._shell
 
     @property
-    def browser(self) -> BrowserComponent:
-        if self._browser is None:
-            raise RuntimeError("ShipyardNeoBooter is not initialized.")
+    def browser(self) -> BrowserComponent | None:
         return self._browser
 
     async def upload_file(self, path: str, file_name: str) -> dict:
diff --git a/astrbot/core/computer/computer_tool_provider.py b/astrbot/core/computer/computer_tool_provider.py
index 7a2952dc5..dedb3c019 100644
--- a/astrbot/core/computer/computer_tool_provider.py
+++ b/astrbot/core/computer/computer_tool_provider.py
@@ -12,7 +12,6 @@ does not require changes here.
 
 from __future__ import annotations
 
-import os
 import platform
 from functools import cache
 from typing import TYPE_CHECKING
@@ -202,8 +201,6 @@ class ComputerToolProvider:
             if not ep or not at:
                 logger.error("Shipyard sandbox configuration is incomplete.")
                 return []
-            os.environ["SHIPYARD_ENDPOINT"] = ep
-            os.environ["SHIPYARD_ACCESS_TOKEN"] = at
 
         # Always return the full tool set for schema stability
         return get_default_sandbox_tools(ctx.sandbox_cfg)