diff --git a/astrbot/core/computer/computer_client.py b/astrbot/core/computer/computer_client.py
index 9be646265e..4eae562c92 100644
--- a/astrbot/core/computer/computer_client.py
+++ b/astrbot/core/computer/computer_client.py
@@ -507,7 +507,9 @@ async def _sync_skills_to_sandbox(booter: ComputerBooter) -> None:
             remote_zip = Path(SANDBOX_SKILLS_ROOT) / "skills.zip"
             logger.info("Uploading skills bundle to sandbox...")
             await booter.shell.exec(f"mkdir -p {SANDBOX_SKILLS_ROOT}")
-            upload_result = await booter.upload_file(str(zip_path), str(remote_zip))
+            upload_result = await booter.upload_file(
+                str(zip_path), remote_zip.as_posix()
+            )
             if not upload_result.get("success", False):
                 raise RuntimeError("Failed to upload skills bundle to sandbox.")
         else:
diff --git a/astrbot/core/provider/sources/openai_source.py b/astrbot/core/provider/sources/openai_source.py
index 8aa2778f1b..e744b9ac27 100644
--- a/astrbot/core/provider/sources/openai_source.py
+++ b/astrbot/core/provider/sources/openai_source.py
@@ -270,12 +270,12 @@ def _file_uri_to_path(file_uri: str) -> str:
         netloc = unquote(parsed.netloc or "")
         path = unquote(parsed.path or "")
         if re.fullmatch(r"[A-Za-z]:", netloc):
-            return str(Path(f"{netloc}{path}"))
+            return Path(f"{netloc}{path}").as_posix()
         if re.match(r"^/[A-Za-z]:/", path):
             path = path[1:]
         if netloc and netloc != "localhost":
             path = f"//{netloc}{path}"
-        return str(Path(path))
+        return Path(path).as_posix()
 
     async def _image_ref_to_data_url(
         self,
diff --git a/astrbot/core/skills/skill_manager.py b/astrbot/core/skills/skill_manager.py
index 838301c044..95cb46ae1b 100644
--- a/astrbot/core/skills/skill_manager.py
+++ b/astrbot/core/skills/skill_manager.py
@@ -196,7 +196,7 @@ def _build_skill_read_command_example(path: str) -> str:
         return f"cat {path}"
     if _is_windows_prompt_path(path):
         command = "type"
-        path_arg = f'"{os.path.normpath(path)}"'
+        path_arg = f'"{path.replace(chr(92), "/")}"'
     else:
         command = "cat"
         path_arg = shlex.quote(path)
diff --git a/astrbot/core/utils/__init__.py b/astrbot/core/utils/__init__.py
new file mode 100644
index 0000000000..8b13789179
--- /dev/null
+++ b/astrbot/core/utils/__init__.py
@@ -0,0 +1 @@
+
diff --git a/tests/test_computer_fs_tools.py b/tests/test_computer_fs_tools.py
index eaf72ec66e..faf86b3410 100644
--- a/tests/test_computer_fs_tools.py
+++ b/tests/test_computer_fs_tools.py
@@ -212,7 +212,7 @@ async def test_restricted_local_member_can_read_plugin_provided_skill(
         path=str(plugin_skill),
     )
 
-    assert result == "# Demo Skill\n\nRead plugin docs."
+    assert result.replace("\r\n", "\n") == "# Demo Skill\n\nRead plugin docs."
 
 
 @pytest.mark.asyncio
@@ -237,7 +237,7 @@ async def test_restricted_local_member_can_read_plugin_skill_inventory_even_if_p
         path=str(plugin_skill),
     )
 
-    assert result == "# Demo Skill\n"
+    assert result.replace("\r\n", "\n") == "# Demo Skill\n"
 
 
 @pytest.mark.asyncio
@@ -314,7 +314,7 @@ async def test_file_read_tool_allows_partial_read_for_large_text_file(
         limit=3,
     )
 
-    assert result == "".join(lines[1000:1003])
+    assert result.replace("\r\n", "\n") == "".join(lines[1000:1003])
 
 
 @pytest.mark.asyncio
diff --git a/tests/test_openai_source.py b/tests/test_openai_source.py
index b5587ffb14..a8d0effd72 100644
--- a/tests/test_openai_source.py
+++ b/tests/test_openai_source.py
@@ -1063,7 +1063,10 @@ async def test_prepare_chat_payload_materializes_context_localhost_file_uri_imag
         image_path = tmp_path / "quoted-image.png"
         PILImage.new("RGBA", (1, 1), (255, 0, 0, 255)).save(image_path)
 
-        localhost_uri = f"file://localhost{image_path.as_posix()}"
+        posix_path = image_path.as_posix()
+        if not posix_path.startswith("/"):
+            posix_path = "/" + posix_path
+        localhost_uri = f"file://localhost{posix_path}"
         payloads, _ = await provider._prepare_chat_payload(
             prompt=None,
             contexts=[
diff --git a/tests/test_pip_helper_modules.py b/tests/test_pip_helper_modules.py
index 1ce4967139..9893f6b01a 100644
--- a/tests/test_pip_helper_modules.py
+++ b/tests/test_pip_helper_modules.py
@@ -442,7 +442,8 @@ def test_get_core_constraints_logs_resolution_step_context(monkeypatch):
     assert any("解析核心分发名称失败" in log for log in warning_logs)
 
 
-def test_iter_requirements_supports_direct_line_input():
+def test_iter_requirements_supports_direct_line_input(monkeypatch):
+    monkeypatch.setattr("sys.platform", "linux")
     parsed = list(
         requirements_utils.iter_requirements(
             lines=["demo-package>=1.0", 'other-package; sys_platform == "win32"']
diff --git a/tests/test_pip_installer.py b/tests/test_pip_installer.py
index 266d9195b0..29afb9451e 100644
--- a/tests/test_pip_installer.py
+++ b/tests/test_pip_installer.py
@@ -788,6 +788,7 @@ def test_find_missing_requirements_honors_version_specifiers(monkeypatch, tmp_pa
 
 
 def test_find_missing_requirements_skips_unmatched_markers(monkeypatch, tmp_path):
+    monkeypatch.setattr("sys.platform", "linux")
     requirements_path = tmp_path / "requirements.txt"
     requirements_path.write_text(
         'demo-package; sys_platform == "win32"\n',
diff --git a/tests/unit/test_computer.py b/tests/unit/test_computer.py
index 71b31a301a..8aa1758fae 100644
--- a/tests/unit/test_computer.py
+++ b/tests/unit/test_computer.py
@@ -194,7 +194,7 @@ async def test_exec_simple_code(self):
         """Test executing simple Python code."""
         python = LocalPythonComponent()
         result = await python.exec("print('hello')")
-        assert result["data"]["output"]["text"] == "hello\n"
+        assert result["data"]["output"]["text"].replace("\r\n", "\n") == "hello\n"
 
     @pytest.mark.asyncio
     async def test_exec_with_error(self):