diff --git a/src/cluster/rpa.py b/src/cluster/rpa.py
index 7125e53..1361161 100644
--- a/src/cluster/rpa.py
+++ b/src/cluster/rpa.py
@@ -273,6 +273,8 @@ with rpa_image.imports():
 
         :return: Dictionary containing title, live_id, product sessions, total duration, cut commands, and error
         """
+        logger.debug(f"input data: {data}")
+
         webcast_id: str = data.live_id
         logger.info(f"Starting RPA run for webcast_id: {webcast_id}")
         result = LiveStreamResult(live_id=webcast_id)
diff --git a/src/cluster/rpa_comm.py b/src/cluster/rpa_comm.py
index 263e48c..037c604 100644
--- a/src/cluster/rpa_comm.py
+++ b/src/cluster/rpa_comm.py
@@ -1,15 +1,17 @@
+import time
+
 from pydantic import BaseModel, Field
 from typing import List, Optional, Any
-
+from ulid import ULID
 
 class LiveStreamProductWatchRequest(BaseModel):
     """
     直播流商品观测
     """
 
-    live_stream_name: Optional[str] = Field(None, description="直播间推流名称")
+    live_stream_name: Optional[str] = Field(str(ULID()), description="直播间推流名称约定ULID：参考https://github.com/ulid/spec")
     """直播间推流名称"""
-    live_stream_start_time: Optional[int] = 0
+    live_stream_start_time: Optional[int] = Field(int(time.time() * 1000), description="直播推流开始世界时间（毫秒时间戳）")
     """直播推流开始世界时间（毫秒时间戳）"""
     live_stream_url: Optional[str] = None
     """直播间推流链接"""
@@ -17,6 +19,8 @@ class LiveStreamProductWatchRequest(BaseModel):
     """直播间id"""
     cookie_string: Optional[str] = None
     """cookie string ,split('; ') """
+    live_cut_url: Optional[str] = None
+    """当前商品直播开始（一段时间）的截图/视频"""
     ext_data: Optional[Any] = None
     """扩展字段"""
 
@@ -36,9 +40,9 @@ class ProductSession(BaseModel):
     product_img: Optional[str] = None
     """商品图片url"""
     start_canvas_img: Optional[str] = None
-    """当前商品直播开始截图"""
+    """当前商品直播开始截图/视频"""
     end_canvas_img: Optional[str] = None
-    """当前商品直播结束截图"""
+    """当前商品直播结束截图/视频"""
     ext_data: Optional[Any] = None
     """扩展字段"""
 
diff --git a/src/cluster/rpa_web_end_point.py b/src/cluster/rpa_web_end_point.py
index 5d16736..f524d84 100644
--- a/src/cluster/rpa_web_end_point.py
+++ b/src/cluster/rpa_web_end_point.py
@@ -13,6 +13,7 @@ image = (modal.Image.debian_slim()
     "pydantic",
     "scalar-fastapi>=1.0.3",
     "loguru>=0.7.3",
+    "python-ulid>=3.0.0",
 ])
          .pip_install())
 app = modal.App("fastapi_rpa", image=image)
@@ -38,6 +39,7 @@ async def scalar_html():
 
 @web_app.post("/live_watch/submit",name="直播观测提交任务",description="监测直播侧发起，观测直播商品&切条")
 async def submit_job_endpoint(data: LiveStreamProductWatchRequest) -> Optional[Any]:
+    logger.debug(f"input data: {data}")
     process_job = modal.Function.from_name("rpa", "rpa_run")
 
     call = process_job.spawn(data)
@@ -45,19 +47,17 @@ async def submit_job_endpoint(data: LiveStreamProductWatchRequest) -> Optional[A
 
 
 @web_app.get("/live_watch/result/{call_id}",name="查询直播观测任务结果",description="异步查询")
-async def get_job_result_endpoint(call_id: str) ->  Any:
+async def get_job_result_endpoint(call_id: str) ->  Optional[LiveStreamResult]:
+    logger.debug(f"input call_id: {call_id}")
+
     function_call = modal.FunctionCall.from_id(call_id)
     try:
         result = function_call.get(timeout=0)
-    except modal.exception.OutputExpiredError:
-        return fastapi.responses.JSONResponse(content="", status_code=404)
-    except TimeoutError:
-        return fastapi.responses.JSONResponse(content="", status_code=202)
+    except BaseException as e:
+        logger.error(f"Exception: {e}")
+        return None
 
     logger.debug("res:",result)
-    if len(result) == 0:
-        return fastapi.responses.JSONResponse(content=LIVE_WATCH_TASK_DOING, status_code=200)
-
     return result
 
 # modal serve my_job_queue_endpoint.py