diff --git a/.github/workflows/page.yml b/.github/workflows/page.yml
index 147d0e5..4926056 100644
--- a/.github/workflows/page.yml
+++ b/.github/workflows/page.yml
@@ -41,7 +41,7 @@ jobs:
       - name: setup、build mdbook
         shell: pwsh
         run: |
-          mdbook build ./docs/
+          mdbook build ./docs/html
 
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v1
diff --git a/Difficult_Rocket/api/types/__init__.py b/Difficult_Rocket/api/types/__init__.py
index 992b94c..c36f55b 100644
--- a/Difficult_Rocket/api/types/__init__.py
+++ b/Difficult_Rocket/api/types/__init__.py
@@ -26,9 +26,6 @@ __all__ = ['get_type_hints_',
            'OptionNameNotDefined']
 
 
-
-
-
 def get_type_hints_(cls: Type):
     try:
         return get_type_hints(cls)
diff --git a/Difficult_Rocket/client/__init__.py b/Difficult_Rocket/client/__init__.py
index fc38d66..2f834ec 100644
--- a/Difficult_Rocket/client/__init__.py
+++ b/Difficult_Rocket/client/__init__.py
@@ -18,7 +18,7 @@ import logging
 import functools
 import traceback
 
-from typing import List, Callable, Union
+from typing import List, Callable
 from decimal import Decimal
 
 # third function