diff --git a/README.md b/README.md
index f619e73..21ba142 100644
--- a/README.md
+++ b/README.md
@@ -134,6 +134,12 @@ MAYA_UMBRELLA_IGNORE_BACKUP
 SET MAYA_UMBRELLA_IGNORE_BACKUP=true
 ```
 
+如果是便携版Maya，可以通过添加 `MAYA_LOCATION` 环境变量指定路径 `d:/your/path/Maya2025`
+```shell
+SET MAYA_LOCATION=d:/your/path/Maya2025
+```
+
+
 # API
 获取当前场景没有被修复的病毒文件
 
diff --git a/noxfile.py b/noxfile.py
index 20ba4f8..5504143 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -1,4 +1,5 @@
 # -*- coding: UTF-8 -*-
+import sys
 import shutil
 
 import nox
@@ -14,20 +15,16 @@
 
 def _setup_maya(maya_version):
     """Set up the appropriate Maya version for testing."""
-    try:
-        import winreg
-    except ImportError:
-        return {}
-    try:
-        key = winreg.OpenKey(
-            winreg.HKEY_LOCAL_MACHINE,
-            f"SOFTWARE\\Autodesk\\Maya\\{maya_version}\\Setup\\InstallPath",
-        )
-        root, _ = winreg.QueryValueEx(key, "MAYA_INSTALL_LOCATION")
-        if not os.path.isdir(root):
-            print("Failed to locate the appropriate Maya path in the registration list.")
-    except OSError:
-        return
+    root = _get_registry("MAYA_INSTALL_LOCATION",
+                         f"SOFTWARE\\Autodesk\\Maya\\{maya_version}\\Setup\\InstallPath"
+                         )
+    if not root:
+        maya_location = os.environ.get("MAYA_LOCATION")
+
+        if maya_location:
+            root = os.path.join(maya_location, f"Maya{maya_version}")
+        else:
+            return
     bin_root = os.path.join(root, "bin")
     return {"maya_root": root, "bin_root": bin_root}
 
@@ -36,6 +33,19 @@ def _assemble_env_paths(*paths):
     return ";".join(paths)
 
 
+def _get_registry(key_name, path):
+    try:
+        import winreg  # noqa: F401
+    except ImportError:
+        return {}
+    try:
+        with winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE, path) as key:
+            value, _ = winreg.QueryValueEx(key, key_name)
+            return value
+    except WindowsError:
+        return None
+
+
 @nox.session
 def lint(session: nox.Session) -> None:
     session.install("wemake-python-styleguide")
@@ -190,34 +200,16 @@ def dynamic_session(session: nox.Session):
         )
 
 
-def add_dynamic_maya_standalone_session(maya_version, mayapy, command):
-    session_name = f"maya-{maya_version}-s"
-
-    @nox.session(name=session_name, python=False)
-    def dynamic_session(session: nox.Session):
-        parser = argparse.ArgumentParser(prog=f"nox -s maya-{maya_version}-s")
-        parser.add_argument("pattern", type=str)
-        args = parser.parse_args(session.posargs)
-        session.run(
-            mayapy,
-            command,
-            args.pattern,
-            env={"PYTHONPATH": ROOT},
-        )
-
-
 # Dynamic to set up nox sessions for Maya 2018-2026.
 # For example, to run tests for Maya 2018, run:
 # nox -s maya-2018
-for maya_version in range(2018, 2026):
-    maya_setup = _setup_maya(maya_version)
-    if maya_setup:
-        add_dynamic_maya_session(f"maya-{maya_version}", os.path.join(maya_setup["bin_root"], "maya.exe"))
-        maya_python = os.path.join(maya_setup["bin_root"], "mayapy.exe")
-        test_runner = os.path.join(ROOT, "tests", "_test_runner.py")
-        add_dynamic_maya_test_session(maya_version, maya_python, test_runner)
-        standalone_runner = os.path.join(ROOT, "run_maya_standalone.py")
-        add_dynamic_maya_standalone_session(maya_version, maya_python, standalone_runner)
+maya_version = sys.argv[-1].split('-')[-1]
+maya_setup = _setup_maya(maya_version)
+if maya_setup:
+    add_dynamic_maya_session(f"maya-{maya_version}", os.path.join(maya_setup["bin_root"], "maya.exe"))
+    maya_python = os.path.join(maya_setup["bin_root"], "mayapy.exe")
+    test_runner = os.path.join(ROOT, "tests", "_test_runner.py")
+    add_dynamic_maya_test_session(maya_version, maya_python, test_runner)
 
 
 @nox.session(name="make-zip")
@@ -255,6 +247,6 @@ def make_install_zip(session: nox.Session):
         for root, _, files in os.walk(build_root):
             for file in files:
                 zip_obj.write(os.path.join(root, file),
-                              os.path.relpath(os.path.join(root, file),
-                                              os.path.join(build_root, ".")))
+                          os.path.relpath(os.path.join(root, file),
+                                          os.path.join(build_root, '.')))
     print("Saving to %s" % zip_file)