diff --git a/astrbot/core/star/filter/command.py b/astrbot/core/star/filter/command.py
index c8df56e57..753c41237 100644
--- a/astrbot/core/star/filter/command.py
+++ b/astrbot/core/star/filter/command.py
@@ -136,7 +136,7 @@ class CommandFilter(HandlerFilter):
                     elif isinstance(param_type_or_default_val, str):
                         # 如果 param_type_or_default_val 是字符串,直接赋值
                         result[param_name] = params[i]
-                    elif isinstance(param_type_or_default_val, bool):
+                    elif param_type_or_default_val is bool:
                         # 处理布尔类型
                         lower_param = str(params[i]).lower()
                         if lower_param in ["true", "yes", "1"]:
@@ -166,10 +166,13 @@ class CommandFilter(HandlerFilter):
                                 result[param_name] = params[i]
                         else:
                             result[param_name] = param_type_or_default_val(params[i])
-                except ValueError:
+                except ValueError as e:
+                    # Re-raise if we raised it ourselves with a custom message
+                    if str(e).startswith("参数"):
+                        raise
                     raise ValueError(
                         f"参数 {param_name} 类型错误｡完整参数: {self.print_types()}",
-                    )
+                    ) from e
         return result
 
     def get_complete_command_names(self):
diff --git a/astrbot/core/subagent_orchestrator.py b/astrbot/core/subagent_orchestrator.py
index 526a1f5a5..4e12cbed3 100644
--- a/astrbot/core/subagent_orchestrator.py
+++ b/astrbot/core/subagent_orchestrator.py
@@ -61,7 +61,7 @@ class SubAgentOrchestrator:
             provider_id = item.get("provider_id")
             if provider_id is not None:
                 provider_id = str(provider_id).strip() or None
-            tools: list[str | FunctionTool] | None = item.get("tools", [])
+            tools: list[str | FunctionTool] | None = item.get("tools")
             begin_dialogs = None
 
             if persona_data:
@@ -74,6 +74,10 @@ class SubAgentOrchestrator:
                 persona_tools = persona_data.get("tools")
                 if isinstance(persona_tools, list):
                     tools = [str(t).strip() for t in persona_tools if str(t).strip()]
+                elif persona_tools is None:
+                    # persona exists but explicitly has tools=None -> use None
+                    # This preserves the case where persona has no tools
+                    tools = None
                 else:
                     tools = []
                 if public_description == "" and prompt:
diff --git a/tests/unit/test_internal_agent_sub_stage.py b/tests/unit/test_internal_agent_sub_stage.py
index a9abe15bb..3b6abd095 100644
--- a/tests/unit/test_internal_agent_sub_stage.py
+++ b/tests/unit/test_internal_agent_sub_stage.py
@@ -28,6 +28,8 @@ async def test_internal_stage_uses_effective_runner_streaming_flag():
     stage = InternalAgentSubStage()
     stage.ctx = MagicMock()
     stage.ctx.plugin_manager.context = MagicMock()
+    stage.ctx.astrbot_config = {"provider_settings": {"wake_prefix": "!"}}
+    stage.provider_wake_prefix = "!"
     stage.streaming_response = True
     stage.unsupported_streaming_strategy = "realtime_segmenting"
     stage.max_step = 5