diff --git a/apps/em/cd.py b/apps/em/cd.py
index 17ab61fb..38fd8edc 100644
--- a/apps/em/cd.py
+++ b/apps/em/cd.py
@@ -9,7 +9,6 @@ import uuid
 import logging
 import threading
 import requests
-from concurrent.futures import ThreadPoolExecutor
 
 myLogger = logging.getLogger('log')
 
@@ -296,34 +295,9 @@ def get_svs_char(host, port, flow_unit=0, timeout=10):
     raise ParseError("SVS未返回有效数据")
 
 
-def get_tyy_data(host, port, svs_host=None, svs_port=None, svs_flow=0):
-    """获取采集器数据；若传入 svs_host/svs_port，并行获取 SVS 识别字符并合并返回。
-
-    采集器与 SVS 任一失败均整体抛错。
-    """
-    port = int(port)
-
-    def fetch_tyy():
-        r = requests.get(f"http://127.0.0.1:2300?host={host}&port={port}")
-        res = r.json()
-        if "err_msg" in res:
-            raise ParseError(res["err_msg"])
-        return res
-
-    if not (svs_host and svs_port):
-        return fetch_tyy()
-
-    # 采集器与 SVS 并行触发，尽量贴近同一时刻；任一失败在 result() 处抛出
-    with ThreadPoolExecutor(max_workers=2) as ex:
-        tyy_future = ex.submit(fetch_tyy)
-        svs_future = ex.submit(get_svs_char, svs_host, svs_port, svs_flow)
-        res = tyy_future.result()
-        svs = svs_future.result()
-
-    if not isinstance(res, dict):
-        # 采集器返回的不是 dict 时，包成一个完整 dict
-        res = {"tyy": res}
-    res["svs_char"] = svs["char"]
-    res["svs_fields"] = svs["fields"]
-    res["svs_raw"] = svs["raw"]
-    return res
\ No newline at end of file
+def get_tyy_data(*args):
+    host, port = args[0], int(args[1])
+    r = requests.get(f"http://127.0.0.1:2300?host={host}&port={port}")
+    res = r.json()
+    if "err_msg" in res:
+        raise ParseError(res["err_msg"])