diff --git a/cozepy/websockets/chat/__init__.py b/cozepy/websockets/chat/__init__.py
index 7bd5083..c045afe 100644
--- a/cozepy/websockets/chat/__init__.py
+++ b/cozepy/websockets/chat/__init__.py
@@ -6,7 +6,7 @@
 from cozepy.auth import Auth
 from cozepy.log import log_warning
 from cozepy.request import Requester
-from cozepy.util import remove_url_trailing_slash
+from cozepy.util import remove_none_values, remove_url_trailing_slash
 from cozepy.websockets.audio.transcriptions import (
     InputAudioBufferAppendEvent,
     InputAudioBufferCompletedEvent,
@@ -167,6 +167,7 @@ def __init__(
         auth: Auth,
         requester: Requester,
         bot_id: str,
+        workflow_id: str,
         on_event: Union[WebsocketsChatEventHandler, Dict[WebsocketsEventType, Callable]],
         **kwargs,
     ):
@@ -192,9 +193,12 @@ def __init__(
             auth=auth,
             requester=requester,
             path="v1/chat",
-            query={
-                "bot_id": bot_id,
-            },
+            query=remove_none_values(
+                {
+                    "bot_id": bot_id,
+                    "workflow_id": workflow_id,
+                }
+            ),
             on_event=on_event,  # type: ignore
             wait_events=[WebsocketsEventType.CONVERSATION_CHAT_COMPLETED],
             **kwargs,
@@ -323,6 +327,7 @@ def create(
         self,
         *,
         bot_id: str,
+        workflow_id: str,
         on_event: Union[WebsocketsChatEventHandler, Dict[WebsocketsEventType, Callable]],
         **kwargs,
     ) -> WebsocketsChatClient:
@@ -331,6 +336,7 @@ def create(
             auth=self._auth,
             requester=self._requester,
             bot_id=bot_id,
+            workflow_id=workflow_id,
             on_event=on_event,  # type: ignore
             **kwargs,
         )
@@ -397,6 +403,7 @@ def __init__(
         auth: Auth,
         requester: Requester,
         bot_id: str,
+        workflow_id: str,
         on_event: Union[AsyncWebsocketsChatEventHandler, Dict[WebsocketsEventType, Callable]],
         **kwargs,
     ):
@@ -422,9 +429,12 @@ def __init__(
             auth=auth,
             requester=requester,
             path="v1/chat",
-            query={
-                "bot_id": bot_id,
-            },
+            query=remove_none_values(
+                {
+                    "bot_id": bot_id,
+                    "workflow_id": workflow_id,
+                }
+            ),
             on_event=on_event,  # type: ignore
             wait_events=[WebsocketsEventType.CONVERSATION_CHAT_COMPLETED],
             **kwargs,
@@ -553,6 +563,7 @@ def create(
         self,
         *,
         bot_id: str,
+        workflow_id: str,
         on_event: Union[AsyncWebsocketsChatEventHandler, Dict[WebsocketsEventType, Callable]],
         **kwargs,
     ) -> AsyncWebsocketsChatClient:
@@ -561,6 +572,7 @@ def create(
             auth=self._auth,
             requester=self._requester,
             bot_id=bot_id,
+            workflow_id=workflow_id,
             on_event=on_event,  # type: ignore
             **kwargs,
         )
diff --git a/examples/benchmark_ark_text.py b/examples/benchmark_ark_text.py
new file mode 100644
index 0000000..946f345
--- /dev/null
+++ b/examples/benchmark_ark_text.py
@@ -0,0 +1,55 @@
+import asyncio
+import os
+import time
+from typing import List
+
+
+def get_current_time_ms():
+    return int(time.time() * 1000)
+
+
+def cal_latency(latency_list: List[int]) -> str:
+    if latency_list is None or len(latency_list) == 0:
+        return "0"
+    if len(latency_list) == 1:
+        return f"{latency_list[0]}"
+    res = latency_list.copy()
+    res.sort()
+    return "%2d" % ((sum(res[:-1]) * 1.0) / (len(res) - 1))
+
+
+def test_latency(ep: str, token: str, text: str):
+    from volcenginesdkarkruntime import Ark
+
+    client = Ark(base_url="https://ark.cn-beijing.volces.com/api/v3", api_key=token)
+    start = get_current_time_ms()
+    stream = client.chat.completions.create(
+        model=ep,
+        messages=[
+            {"role": "user", "content": text},
+        ],
+        stream=True,
+    )
+    for chunk in stream:
+        if not chunk.choices:
+            continue
+
+        if chunk.choices[0].delta.content:
+            return "", chunk.choices[0].delta.content, get_current_time_ms() - start
+
+
+async def main():
+    ep = os.getenv("ARK_EP")
+    token = os.getenv("ARK_TOKEN")
+    text = os.getenv("COZE_TEXT") or "讲个笑话"
+
+    times = 50
+    text_latency = []
+    for i in range(times):
+        logid, text, latency = test_latency(ep, token, text)
+        text_latency.append(latency)
+        print(f"[latency.ark.text] {i}, latency: {cal_latency(text_latency)} ms, log: {logid}, text: {text}")
+
+
+if __name__ == "__main__":
+    asyncio.run(main())
diff --git a/examples/benchmark_websockets_chat.py b/examples/benchmark_websockets_chat.py
index 2ad7b99..daff190 100644
--- a/examples/benchmark_websockets_chat.py
+++ b/examples/benchmark_websockets_chat.py
@@ -108,7 +108,7 @@ async def generate_audio(coze: AsyncCoze, text: str) -> List[bytes]:
         sample_rate=24000,
         **kwargs,
     )
-    content.write_to_file("test.wav")
+    # content.write_to_file("test.wav")
     return [data for data in content._raw_response.iter_bytes(chunk_size=1024)]