diff --git a/py/测绘站采集.py b/py/测绘站采集.py
index 5303d19..779bbe9 100644
--- a/py/测绘站采集.py
+++ b/py/测绘站采集.py
@@ -120,7 +120,7 @@ def main():
             continue
 
         # 构造搜索请求
-        search_txt = f'"udpxy" && country="CN" && region="{province}"'
+        search_txt = f'"udpxy" && country="CN" && region="{province}" && is_domain=true'
         encoded_query = base64.b64encode(search_txt.encode()).decode()
         search_url = f'https://fofa.info/result?qbase64={encoded_query}'