diff --git a/src/xmtdx/transport/sync.py b/src/xmtdx/transport/sync.py
index 72dec4c..e934cdb 100644
--- a/src/xmtdx/transport/sync.py
+++ b/src/xmtdx/transport/sync.py
@@ -19,6 +19,7 @@ _DEFAULT_PORT = 7709
 _DEFAULT_TIMEOUT = 15.0
 
 # 已知可用的通达信行情服务器（按优先级排序）
+# 原有地址
 KNOWN_HOSTS: list[str] = [
     "180.153.18.170",
     "124.71.187.122",
@@ -30,6 +31,49 @@ KNOWN_HOSTS: list[str] = [
     "218.75.126.9",
     "47.107.75.159",
     "59.175.238.38",
+    # 来自通达信 connect.cfg [HQHOST]（2025-05）
+    "110.41.147.114",
+    "110.41.2.72",
+    "101.33.225.16",
+    "175.178.112.197",
+    "175.178.128.227",
+    "43.139.95.83",
+    "124.223.163.242",
+    "122.51.120.217",
+    "150.158.160.2",
+    "123.60.164.122",
+    "111.229.247.189",
+    "124.70.199.56",
+    "62.234.50.143",
+    "81.70.151.186",
+    "82.156.214.79",
+    "159.75.29.111",
+    "43.139.18.171",
+    "81.71.32.47",
+    "122.51.232.182",
+    "118.25.98.114",
+    "121.36.225.169",
+    "123.60.70.228",
+    "123.60.73.44",
+    "124.70.133.119",
+    "124.71.187.72",
+    "119.97.185.59",
+    "129.204.230.128",
+    "101.42.240.54",
+    "124.71.9.153",
+    "123.60.84.66",
+    "111.230.186.52",
+    "101.43.159.194",
+    "120.53.8.251",
+    "152.136.191.169",
+    "116.205.163.254",
+    "116.205.171.132",
+    "116.205.183.150",
+    "49.232.15.141",
+    "82.156.174.84",
+    "101.42.164.241",
+    "101.35.121.35",
+    "111.231.113.208",
 ]