diff --git a/lazyllm/engine/engine.py b/lazyllm/engine/engine.py
index 85c86db5..831f7da4 100644
--- a/lazyllm/engine/engine.py
+++ b/lazyllm/engine/engine.py
@@ -85,7 +85,6 @@ def _impl(nid, recursive):
                 yield id
                 if recursive:
                     yield from self.subnodes(id, True)
-
         return list(_impl(nodeid, recursive))
 
 
@@ -105,7 +104,6 @@ def impl(f):
             for name in names:
                 cls.builder_methods[name] = (f, subitems)
             return f
-
         return impl
 
     # build node recursively
@@ -171,11 +169,7 @@ def get_args(cls, key, value, builder_key=None):
     def _process_hook(self, node, module):
         if not node.enable_data_reflow:
             return
-        if isinstance(module, lazyllm.ModuleBase):
-            NodeMetaHook.MODULEID_TO_WIDGETID[module._module_id] = node.id
-        elif isinstance(module, lazyllm.LazyLLMFlowsBase):
-            NodeMetaHook.MODULEID_TO_WIDGETID[module._flow_id] = node.id
-        else:
+        if not isinstance(module, (lazyllm.ModuleBase, lazyllm.LazyLLMFlowsBase)):
             return
         node.func.register_hook(NodeMetaHook(node.func, Engine.REPORT_URL, node.id))
 
@@ -487,27 +481,22 @@ def _parse_py_data_by_formatter(self, data):
         else:
             raise TypeError('type should be one of sum/stack/to_dict/join')
 
-
 @NodeConstructor.register('JoinFormatter')
 def make_join_formatter(type='sum', names=None, symbol=None):
     if type == 'file':
         return make_formatter('file', rule='merge')
     return JoinFormatter(type, names=names, symbol=symbol)
 
-
 @NodeConstructor.register('Formatter')
 def make_formatter(ftype, rule):
     return getattr(lazyllm.formatter, ftype)(formatter=rule)
 
-
 def return_a_wrapper_func(func):
     @functools.wraps(func)
     def wrapper_func(*args, **kwargs):
         return func(*args, **kwargs)
-
     return wrapper_func
 
-
 def _get_tools(tools):
     callable_list = []
     for rid in tools:  # `tools` is a list of ids in engine's resources
@@ -520,12 +509,10 @@ def _get_tools(tools):
         callable_list.append(wrapper_func)
     return callable_list
 
-
 @NodeConstructor.register('ToolsForLLM')
 def make_tools_for_llm(tools: List[str]):
     return lazyllm.tools.ToolManager(_get_tools(tools))
 
-
 @NodeConstructor.register('FunctionCall')
 def make_fc(llm: str, tools: List[str], algorithm: Optional[str] = None):
     f = (
@@ -566,6 +553,7 @@ def make_http_tool(
 
 
 class VQA(lazyllm.Module):
+
     def __init__(
         self,
         base_model: Union[str, lazyllm.TrainableModule],
diff --git a/lazyllm/engine/node_meta_hook.py b/lazyllm/engine/node_meta_hook.py
index b61a10d8..dcab0632 100644
--- a/lazyllm/engine/node_meta_hook.py
+++ b/lazyllm/engine/node_meta_hook.py
@@ -16,8 +16,6 @@ class MetaKeys:
 
 
 class NodeMetaHook(LazyLLMHook):
-    URL = ""
-    MODULEID_TO_WIDGETID = {}
 
     def __init__(self, obj, url, front_id):
         if isinstance(obj, lazyllm.ModuleBase):
@@ -56,7 +54,7 @@ def post_hook(self, output):
         self._meta_info[MetaKeys.OUTPUT] = str(output)
 
         if self._uniqueid in globals["usage"]:
-            self._meta_info.update(globals["usage"])
+            self._meta_info.update(globals["usage"][self._uniqueid])
         self._meta_info[MetaKeys.ID] = self._front_id
         self._meta_info[MetaKeys.TIMECOST] = time.time() - self._meta_info[MetaKeys.TIMECOST]
 
@@ -64,7 +62,6 @@ def report(self):
         headers = {"Content-Type": "application/json; charset=utf-8"}
         json_data = json.dumps(self._meta_info, ensure_ascii=False)
         try:
-            lazyllm.LOG.info(f"meta_info: {self._meta_info}")
             requests.post(self._url, data=json_data, headers=headers)
         except Exception as e:
             lazyllm.LOG.warning(f"Error sending collected data: {e}. URL: {self._url}")
diff --git a/tests/basic_tests/test_engine.py b/tests/basic_tests/test_engine.py
index f2fe10ae..70c680eb 100644
--- a/tests/basic_tests/test_engine.py
+++ b/tests/basic_tests/test_engine.py
@@ -27,6 +27,7 @@
 @app.post("/{route}")
 async def receive_json(data: dict):
     print("Received json data:", data)
+    assert "prompt_tokens" in data
     return JSONResponse(content=data)
 
 
@@ -62,6 +63,7 @@ def read_stdout(process):
 
     @classmethod
     def tearDownClass(cls):
+        time.sleep(3)
         cls.fastapi_process.terminate()
         cls.fastapi_process.wait()