diff --git a/astrbot/core/astr_agent_tool_exec.py b/astrbot/core/astr_agent_tool_exec.py
index 4ed600bed..43bc1b819 100644
--- a/astrbot/core/astr_agent_tool_exec.py
+++ b/astrbot/core/astr_agent_tool_exec.py
@@ -181,11 +181,13 @@ class FunctionToolExecutor(BaseFunctionToolExecutor[AstrAgentContext]):
             return
 
     # Browser tool names that require the "browser" sandbox capability.
-    _BROWSER_TOOL_NAMES: frozenset[str] = frozenset({
-        "astrbot_execute_browser",
-        "astrbot_execute_browser_batch",
-        "astrbot_run_browser_skill",
-    })
+    _BROWSER_TOOL_NAMES: frozenset[str] = frozenset(
+        {
+            "astrbot_execute_browser",
+            "astrbot_execute_browser_batch",
+            "astrbot_run_browser_skill",
+        }
+    )
 
     @classmethod
     def _check_sandbox_capability(
@@ -215,7 +217,9 @@ class FunctionToolExecutor(BaseFunctionToolExecutor[AstrAgentContext]):
                 "Please ask the administrator to switch to a sandbox profile with "
                 "browser support, or use shell/python tools instead."
             )
-            logger.warning("[ToolExec] capability_rejected tool=%s caps=%s", tool.name, list(caps))
+            logger.warning(
+                "[ToolExec] capability_rejected tool=%s caps=%s", tool.name, list(caps)
+            )
             return mcp.types.CallToolResult(
                 content=[mcp.types.TextContent(type="text", text=msg)],
                 isError=True,
diff --git a/astrbot/core/astr_main_agent.py b/astrbot/core/astr_main_agent.py
index a65e6109f..ffc8623e6 100644
--- a/astrbot/core/astr_main_agent.py
+++ b/astrbot/core/astr_main_agent.py
@@ -799,7 +799,6 @@ def _apply_llm_safety_mode(config: MainAgentBuildConfig, req: ProviderRequest) -
 # See astrbot.core.computer.computer_tool_provider for details.
 
 
-
 def _get_compress_provider(
     config: MainAgentBuildConfig, plugin_context: Context
 ) -> Provider | None:
diff --git a/astrbot/core/computer/computer_client.py b/astrbot/core/computer/computer_client.py
index 48c957574..b0a94f2f4 100644
--- a/astrbot/core/computer/computer_client.py
+++ b/astrbot/core/computer/computer_client.py
@@ -290,7 +290,6 @@ print(
     return _build_python_exec_command(script)
 
 
-
 def _shell_exec_succeeded(result: dict) -> bool:
     if "success" in result:
         return bool(result.get("success"))
diff --git a/astrbot/core/cron/manager.py b/astrbot/core/cron/manager.py
index 843cc339b..afa0d2884 100644
--- a/astrbot/core/cron/manager.py
+++ b/astrbot/core/cron/manager.py
@@ -327,10 +327,7 @@ class CronJobManager:
             context_dump = req._print_friendly_context()
             req.contexts = []
             req.system_prompt += (
-                CONVERSATION_HISTORY_INJECT_PREFIX
-                + f"---\n"
-                  f"{context_dump}\n"
-                  f"---\n"
+                CONVERSATION_HISTORY_INJECT_PREFIX + f"---\n{context_dump}\n---\n"
             )
         cron_job_str = json.dumps(extras.get("cron_job", {}), ensure_ascii=False)
         req.system_prompt += PROACTIVE_AGENT_CRON_WOKE_SYSTEM_PROMPT.format(
diff --git a/astrbot/core/tools/send_message.py b/astrbot/core/tools/send_message.py
index a1e7c589a..333849aa4 100644
--- a/astrbot/core/tools/send_message.py
+++ b/astrbot/core/tools/send_message.py
@@ -91,7 +91,9 @@ class SendMessageToUserTool(FunctionTool[AstrAgentContext]):
             # Use shell to check if the file exists in sandbox
             import shlex
 
-            result = await sb.shell.exec(f"test -f {shlex.quote(path)} && echo '_&exists_'")
+            result = await sb.shell.exec(
+                f"test -f {shlex.quote(path)} && echo '_&exists_'"
+            )
             if "_&exists_" in json.dumps(result):
                 # Download the file from sandbox
                 name = os.path.basename(path)