diff --git a/astrbot/core/star/filter/command.py b/astrbot/core/star/filter/command.py
index 7d3cabbfa..32373db37 100755
--- a/astrbot/core/star/filter/command.py
+++ b/astrbot/core/star/filter/command.py
@@ -18,8 +18,8 @@ class CommandFilter(HandlerFilter):
     def __init__(
         self,
         command_name: str,
-        alias: set = None,
-        handler_md: StarHandlerMetadata = None,
+        alias: set | None = None,
+        handler_md: StarHandlerMetadata | None = None,
         parent_command_names: List[str] = [""],
     ):
         self.command_name = command_name
diff --git a/astrbot/core/utils/t2i/network_strategy.py b/astrbot/core/utils/t2i/network_strategy.py
index 3bd8e15fd..03db6d5e7 100644
--- a/astrbot/core/utils/t2i/network_strategy.py
+++ b/astrbot/core/utils/t2i/network_strategy.py
@@ -11,7 +11,7 @@ ASTRBOT_T2I_DEFAULT_ENDPOINT = "https://t2i.soulter.top/text2img"
 
 
 class NetworkRenderStrategy(RenderStrategy):
-    def __init__(self, base_url: str = ASTRBOT_T2I_DEFAULT_ENDPOINT) -> None:
+    def __init__(self, base_url: str | None = None) -> None:
         super().__init__()
         if not base_url:
             base_url = ASTRBOT_T2I_DEFAULT_ENDPOINT
@@ -38,7 +38,7 @@ class NetworkRenderStrategy(RenderStrategy):
         tmpl_str: str,
         tmpl_data: dict,
         return_url: bool = True,
-        options: dict = None,
+        options: dict | None = None,
     ) -> str:
         """使用自定义文转图模板"""
         default_options = {"full_page": True, "type": "jpeg", "quality": 40}
diff --git a/astrbot/core/utils/t2i/renderer.py b/astrbot/core/utils/t2i/renderer.py
index ddfd2d0da..9e423be15 100644
--- a/astrbot/core/utils/t2i/renderer.py
+++ b/astrbot/core/utils/t2i/renderer.py
@@ -6,7 +6,7 @@ logger = LogManager.GetLogger(log_name="astrbot")
 
 
 class HtmlRenderer:
-    def __init__(self, endpoint_url: str = None):
+    def __init__(self, endpoint_url: str | None = None):
         self.network_strategy = NetworkRenderStrategy(endpoint_url)
         self.local_strategy = LocalRenderStrategy()
 
@@ -20,7 +20,7 @@ class HtmlRenderer:
         tmpl_str: str,
         tmpl_data: dict,
         return_url: bool = False,
-        options: dict = None,
+        options: dict | None = None,
     ):
         """使用自定义文转图模板。该方法会通过网络调用 t2i 终结点图文渲染API。
         @param tmpl_str: HTML Jinja2 模板。