diff --git a/nonebot_plugin_marshoai/plugin/func_call/caller.py b/nonebot_plugin_marshoai/plugin/func_call/caller.py
index e812835d..41b73505 100644
--- a/nonebot_plugin_marshoai/plugin/func_call/caller.py
+++ b/nonebot_plugin_marshoai/plugin/func_call/caller.py
@@ -82,7 +82,7 @@ class Caller:
             if module := inspect.getmodule(func):
                 module_name = module.__name__.split(".")[-1]
             else:
-                module_name = "global"
+                module_name = ""
             self._name = f"{module_name}-{func.__name__}"
         _caller_data[self._name] = self
 
@@ -140,6 +140,7 @@ class Caller:
         """
         y, r = await self.pre_check()
         if not y:
+            logger.debug(f"Function {self._name} pre_check failed: {r}")
             return r
 
         if self.func is None:
diff --git a/nonebot_plugin_marshoai/plugins/snowykami_testplugin/__init__.py b/nonebot_plugin_marshoai/plugins/snowykami_testplugin/__init__.py
index 3b6bc565..b3083bbc 100644
--- a/nonebot_plugin_marshoai/plugins/snowykami_testplugin/__init__.py
+++ b/nonebot_plugin_marshoai/plugins/snowykami_testplugin/__init__.py
@@ -95,9 +95,11 @@ async def run_python_code(code: str, b: Bot, e: MessageEvent) -> str:
     return "运行成功: " + str(r)
 
 
-@on_function_call(description="运行shell命令,需要超级用户权限").params(
-    command=String(description="shell命令内容")
-).permission(SUPERUSER)
+@on_function_call(
+    description="在设备上运行shell命令, Run command on this device"
+).params(command=String(description="shell命令内容")).permission(SUPERUSER).name(
+    "run_shell_command"
+)
 async def run_shell_command(command: str, b: Bot, e: MessageEvent) -> str:
     """运行shell命令"""
     try: