diff --git a/src/plugin_system/apis/tool_api.py b/src/plugin_system/apis/tool_api.py
index 6d99f58b1..c3472243a 100644
--- a/src/plugin_system/apis/tool_api.py
+++ b/src/plugin_system/apis/tool_api.py
@@ -10,9 +10,13 @@ logger = get_logger("tool_api")
 def get_tool_instance(tool_name: str) -> Optional[BaseTool]:
     """获取公开工具实例"""
     from src.plugin_system.core import component_registry
+
     # 获取插件配置
-    plugin_name =component_registry.get_component_info(tool_name, ComponentType.TOOL).plugin_name
-    plugin_config = component_registry.get_plugin_config(plugin_name)
+    tool_info = component_registry.get_component_info(tool_name, ComponentType.TOOL)
+    if tool_info:
+        plugin_config = component_registry.get_plugin_config(tool_info.plugin_name)
+    else:
+        plugin_config = None
 
     tool_class: Type[BaseTool] = component_registry.get_component_class(tool_name, ComponentType.TOOL)  # type: ignore
     return tool_class(plugin_config) if tool_class else None
@@ -20,7 +24,7 @@ def get_tool_instance(tool_name: str) -> Optional[BaseTool]:
 
 def get_llm_available_tool_definitions():
     """获取LLM可用的工具定义列表
-    
+
     Returns:
         List[Tuple[str, Dict[str, Any]]]: 工具定义列表，为[("tool_name", 定义)]
     """
diff --git a/src/plugin_system/base/base_tool.py b/src/plugin_system/base/base_tool.py
index 5e12f033d..e2220fd91 100644
--- a/src/plugin_system/base/base_tool.py
+++ b/src/plugin_system/base/base_tool.py
@@ -116,4 +116,4 @@ class BaseTool(ABC):
             else:
                 return default
 
-        return current
\ No newline at end of file
+        return current