diff --git a/apps/application/views/application_views.py b/apps/application/views/application_views.py
index 16663d32d..c5fc165d3 100644
--- a/apps/application/views/application_views.py
+++ b/apps/application/views/application_views.py
@@ -199,8 +199,7 @@ class Application(APIView):
                 return result.success(ApplicationSerializer.Operate(
                     data={'application_id': request.auth.keywords.get('application_id'),
                           'user_id': request.user.id}).profile())
-            else:
-                raise AppAuthenticationFailed(401, "身份异常")
+            raise AppAuthenticationFailed(401, "身份异常")
 
     class ApplicationKey(APIView):
         authentication_classes = [TokenAuth]
diff --git a/apps/common/auth/authentication.py b/apps/common/auth/authentication.py
index b27e1d1ea..d692d6182 100644
--- a/apps/common/auth/authentication.py
+++ b/apps/common/auth/authentication.py
@@ -59,11 +59,11 @@ def exist_permissions(user_role: List[RoleConstants], user_permission: List[Perm
                       **kwargs):
     if isinstance(permission, ViewPermission):
         return exist_permissions_by_view_permission(user_role, user_permission, permission, request, **kwargs)
-    elif isinstance(permission, RoleConstants):
+    if isinstance(permission, RoleConstants):
         return exist_role_by_role_constants(user_role, [permission])
-    elif isinstance(permission, PermissionConstants):
+    if isinstance(permission, PermissionConstants):
         return exist_permissions_by_permission_constants(user_permission, [permission])
-    elif isinstance(permission, Permission):
+    if isinstance(permission, Permission):
         return user_permission.__contains__(permission)
     return False
 
@@ -72,8 +72,7 @@ def exist(user_role: List[RoleConstants], user_permission: List[PermissionConsta
     if callable(permission):
         p = permission(request, kwargs)
         return exist_permissions(user_role, user_permission, p, request)
-    else:
-        return exist_permissions(user_role, user_permission, permission, request, **kwargs)
+    return exist_permissions(user_role, user_permission, permission, request, **kwargs)
 
 
 def has_permissions(*permission, compare=CompareConstants.OR):
@@ -92,8 +91,7 @@ def has_permissions(*permission, compare=CompareConstants.OR):
             # 判断是否有权限
             if any(exit_list) if compare == CompareConstants.OR else all(exit_list):
                 return func(view, request, **kwargs)
-            else:
-                raise AppUnauthorizedFailed(403, "没有权限访问")
+            raise AppUnauthorizedFailed(403, "没有权限访问")
 
         return run
 
diff --git a/apps/common/handle/handle_exception.py b/apps/common/handle/handle_exception.py
index 417e3b259..bff0c4c5c 100644
--- a/apps/common/handle/handle_exception.py
+++ b/apps/common/handle/handle_exception.py
@@ -63,9 +63,9 @@ def find_err_detail(exc_detail):
             _value = exc_detail[key]
             if isinstance(_value, list):
                 return find_err_detail(_value)
-            elif isinstance(_value, ErrorDetail):
+            if isinstance(_value, ErrorDetail):
                 return _value
-            elif isinstance(_value, dict) and len(_value.keys()) > 0:
+            if isinstance(_value, dict) and len(_value.keys()) > 0:
                 return find_err_detail(_value)
     if isinstance(exc_detail, list):
         for v in exc_detail:
diff --git a/apps/smartdoc/urls.py b/apps/smartdoc/urls.py
index e93613745..4458aba8a 100644
--- a/apps/smartdoc/urls.py
+++ b/apps/smartdoc/urls.py
@@ -57,16 +57,15 @@ def page_not_found(request, exception):
     """
     if request.path.startswith("/api/"):
         return Result(response_status=status.HTTP_404_NOT_FOUND, code=404, message="找不到接口")
-    else:
-        index_path = os.path.join(PROJECT_DIR, 'apps', "static", 'ui', 'index.html')
-        if not os.path.exists(index_path):
-            return HttpResponse("页面不存在", status=404)
-        file = open(index_path, "r", encoding='utf-8')
-        content = file.read()
-        file.close()
-        if request.path.startswith('/ui/chat/'):
-            return HttpResponse(content, status=200)
-        return HttpResponse(content, status=200, headers={'X-Frame-Options': 'DENY'})
+    index_path = os.path.join(PROJECT_DIR, 'apps', "static", 'ui', 'index.html')
+    if not os.path.exists(index_path):
+        return HttpResponse("页面不存在", status=404)
+    file = open(index_path, "r", encoding='utf-8')
+    content = file.read()
+    file.close()
+    if request.path.startswith('/ui/chat/'):
+        return HttpResponse(content, status=200)
+    return HttpResponse(content, status=200, headers={'X-Frame-Options': 'DENY'})
 
 
 handler404 = page_not_found