diff --git a/README.md b/README.md
index f619e73..d42cde0 100644
--- a/README.md
+++ b/README.md
@@ -129,6 +129,12 @@ MAYA_UMBRELLA_LANG
 ```shell
 MAYA_UMBRELLA_IGNORE_BACKUP
 ```
+
+如果是便携版Maya，可以通过添加 `MAYA_LOCATION` 环境变量指定路径如 `d:/your/path` 并且在 `/path/`路径下放maya版本文件夹, 比如Maya2024, Maya完整路径是 `d:/your/path/Maya2024`
+```shell
+SET MAYA_LOCATION=d:/your/path/
+```
+
 如果忽略请设置为
 ```shell
 SET MAYA_UMBRELLA_IGNORE_BACKUP=true
diff --git a/noxfile.py b/noxfile.py
index 20ba4f8..d84b033 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -14,21 +14,16 @@
 
 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:
+    root = _get_registry("MAYA_INSTALL_LOCATION",
+                         f"SOFTWARE\\Autodesk\\Maya\\{maya_version}\\Setup\\InstallPath"
+                         )
+
+    maya_location = os.environ.get("MAYA_LOCATION", root)
+    if not maya_location:
+        print("maya not found.")
         return
-    bin_root = os.path.join(root, "bin")
+
+    bin_root = os.path.join(maya_location, "bin")
     return {"maya_root": root, "bin_root": bin_root}
 
 
@@ -36,6 +31,19 @@ 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")
@@ -209,15 +217,18 @@ def dynamic_session(session: nox.Session):
 # 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)
+parser = argparse.ArgumentParser()
+parser.add_argument('-s')
+args = parser.parse_args()
+maya_version = "".join(filter(str.isdigit, args.s))
+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)
 
 
 @nox.session(name="make-zip")