diff --git a/src/Python/asst.py b/src/Python/asst.py
index e06f0261d6..adc566bab8 100644
--- a/src/Python/asst.py
+++ b/src/Python/asst.py
@@ -23,7 +23,7 @@ class Asst:
     """
 
     @staticmethod
-    def load(path: str) -> bool:
+    def load(path: Union[pathlib.Path, str]) -> bool:
         """
         加载 dll 及资源
 
@@ -32,15 +32,15 @@ class Asst:
         """
         if platform.system().lower() == 'windows':
             Asst.__libpath = pathlib.Path(path) / 'MeoAssistant.dll'
-            os.environ["PATH"] += os.pathsep + path
+            os.environ["PATH"] += os.pathsep + str(path)
             Asst.__lib = ctypes.WinDLL(str(Asst.__libpath))
         else:
             Asst.__libpath = pathlib.Path(path) / 'libMeoAssistant.so'
-            os.environ['LD_LIBRARY_PATH'] += os.pathsep + path
+            os.environ['LD_LIBRARY_PATH'] += os.pathsep + str(path)
             Asst.__lib = ctypes.CDLL(str(Asst.__libpath))
         Asst.__set_lib_properties()
 
-        return Asst.__lib.AsstLoadResource(path.encode('utf-8'))
+        return Asst.__lib.AsstLoadResource(str(path).encode('utf-8'))
 
     def __init__(self, callback: CallBackType = None, arg=None):
         """
diff --git a/src/Python/sample.py b/src/Python/sample.py
index ba1a64df17..ece7a5d820 100644
--- a/src/Python/sample.py
+++ b/src/Python/sample.py
@@ -15,7 +15,7 @@ def my_callback(msg, details, arg):
 if __name__ == "__main__":
 
     # 请设置为存放 dll 文件及资源的路径
-    path: str = (pathlib.Path.cwd().parent).__str__()
+    path = pathlib.Path.cwd().parent
 
     Asst.load(path=path)
 
diff --git a/src/Python/timed_start/timed_sample.py b/src/Python/timed_start/timed_sample.py
index 24ec5c16e0..1bd65b1fd7 100644
--- a/src/Python/timed_start/timed_sample.py
+++ b/src/Python/timed_start/timed_sample.py
@@ -129,7 +129,8 @@ if __name__ == "__main__":
 
         print(m, d, arg)
 
-    path: str = (pathlib.Path.cwd().parent).__str__()
+    # 请设置为存放 dll 文件及资源的路径
+    path = pathlib.Path.cwd().parent
     Asst.load(path)
 
     # 若需要获取详细执行信息，请传入 callback 参数