diff --git a/source/binding/Python/maa/__init__.py b/source/binding/Python/maa/__init__.py
index 6faf3cf6c..3e99f522f 100644
--- a/source/binding/Python/maa/__init__.py
+++ b/source/binding/Python/maa/__init__.py
@@ -3,16 +3,9 @@
 
 from .library import Library
 
-__PATH = Path(Path(__file__).parent, "bin")
-if not __PATH.exists():
-    # sys.argv is designed for Github Action,we seldom use this.
-    if len(sys.argv) < 2:
-        raise FileNotFoundError(f"`{__PATH}` is not existed.")
-
+if len(sys.argv) > 2:
     __PATH = Path(Path(sys.argv[1]).resolve(), "bin")
-    if not __PATH.exists():
-        raise FileNotFoundError(f"`{__PATH}` is not existed.")
+else:
+    __PATH = Path(Path(__file__).parent, "bin")
 
-ver = Library.open(__PATH)
-if not ver:
-    raise RuntimeError("Fail to open the library.")
+Library.open(__PATH)
diff --git a/source/binding/Python/maa/buffer.py b/source/binding/Python/maa/buffer.py
index 7698032ea..7c14efc4e 100644
--- a/source/binding/Python/maa/buffer.py
+++ b/source/binding/Python/maa/buffer.py
@@ -93,10 +93,6 @@ class StringListBuffer:
     _own: bool
 
     def __init__(self, handle: Optional[MaaStringListBufferHandle] = None):
-        if not Library.initialized:
-            raise RuntimeError(
-                "Library not initialized, please call `library.open()` first."
-            )
         self._set_api_properties()
 
         if handle:
@@ -199,11 +195,6 @@ class ImageBuffer:
     _own: bool
 
     def __init__(self, c_handle: Optional[MaaImageBufferHandle] = None):
-        if not Library.initialized:
-            raise RuntimeError(
-                "Library not initialized, please call `library.open()` first."
-            )
-
         self._set_api_properties()
 
         if c_handle:
@@ -305,10 +296,6 @@ class ImageListBuffer:
     _own: bool
 
     def __init__(self, c_handle: Optional[MaaImageListBufferHandle] = None):
-        if not Library.initialized:
-            raise RuntimeError(
-                "Library not initialized, please call `library.open()` first."
-            )
         self._set_api_properties()
 
         if c_handle:
@@ -409,11 +396,6 @@ class RectBuffer:
     _own: bool
 
     def __init__(self, c_handle: Optional[MaaRectHandle] = None):
-        if not Library.initialized:
-            raise RuntimeError(
-                "Library not initialized, please call `library.open()` first."
-            )
-
         self._set_api_properties()
 
         if c_handle:
diff --git a/source/binding/Python/maa/library.py b/source/binding/Python/maa/library.py
index 423454729..27839dd0f 100644
--- a/source/binding/Python/maa/library.py
+++ b/source/binding/Python/maa/library.py
@@ -9,10 +9,11 @@
 
 class Library:
 
-    initialized = False
-
     @staticmethod
     def open(path: Union[pathlib.Path, str]) -> Optional[str]:
+        if not path.exists():
+            raise FileNotFoundError(f"`{path}` is not existed.")
+
         platform_values = {
             "windows": ("MaaFramework.dll", "MaaToolkit.dll"),
             "darwin": ("libMaaFramework.dylib", "libMaaToolkit.dylib"),
@@ -45,21 +46,14 @@ def open(path: Union[pathlib.Path, str]) -> Optional[str]:
             Library.toolkit = lib_import(str(Library.toolkit_libpath))
 
         if not Library.framework or not Library.toolkit:
-            Library.initialized = False
-            return None
+            raise RuntimeError("Fail to open the library.")
 
         Library._set_api_properties()
-        Library.initialized = True
 
         return Library.version()
 
     @staticmethod
     def version() -> str:
-        if not Library.initialized:
-            raise RuntimeError(
-                "Library not initialized, please call `library.open()` first."
-            )
-
         return Library.framework.MaaVersion().decode()
 
     @staticmethod