diff --git a/core/src.py b/core/src.py
index 1773dc9..db62725 100644
--- a/core/src.py
+++ b/core/src.py
@@ -18,7 +18,7 @@ def __init__(self,
                  proxy_port: str
                  ):
         self._project_path: str = ''
-        self._base_path: str = ''
+        self._base_path: str = '' # 注意批量的时候要判断下host，不能直接用base_path
         self.all_paths:Union[Dict] = {}
         self._all_projects: Union[List, None] = None
         self._proxy_ip: str = proxy_ip
@@ -220,8 +220,6 @@ def run(args) -> None:
 
     elif args.url_file:
         url_list=read_urls(args.url_file)
-        auto_exploit_swagger = AutoExploitSwagger(args.proxy_ip, args.proxy_port)
-        all_urls = {}
         for url in url_list:
-            all_urls.update(auto_exploit_swagger.get_all_urls(url))
-        exploit_threads(auto_exploit_swagger, all_urls, args.exploit_threads)
+            auto_exploit_swagger = AutoExploitSwagger(args.proxy_ip, args.proxy_port)
+            exploit_threads(auto_exploit_swagger, auto_exploit_swagger.get_all_urls(url), args.exploit_threads)
diff --git a/lib/common.py b/lib/common.py
index 9c60a1c..71624c4 100644
--- a/lib/common.py
+++ b/lib/common.py
@@ -28,10 +28,16 @@ def banner():
 
 def get_base_path(target_url: str) -> str:
     domain = urlparse(target_url)
-    domain = domain.scheme + "://" + domain.netloc
+    scheme = domain.scheme
+    domain = scheme + "://" + domain.netloc
     base_path = ''
+    host = ''
     try:
         res = json.loads(requests.get(url=target_url, timeout=5, verify=False).text)
+        if "host" in res.keys():
+            host = scheme + "://" + res['host']
+        else:
+            host = domain
         if "basePath" in res.keys():
             base_path = res['basePath']
         elif "servers" in res.keys():
@@ -41,4 +47,4 @@ def get_base_path(target_url: str) -> str:
     except Exception as e:
         logger.error("target_url timeout...")
         logger.error(e)
-    return (domain + base_path).rstrip('/')
+    return (host + base_path).rstrip('/')
diff --git a/start.py b/start.py
index 65d62f2..fb2a313 100644
--- a/start.py
+++ b/start.py
@@ -7,7 +7,7 @@
 
 if __name__ == "__main__":
     parser = argparse.ArgumentParser(description='Swagger API 自动化扫描工具')
-    parser.add_argument("-u", "--url", dest='target_url', required=True, help="swagger api地址")
+    parser.add_argument("-u", "--url", dest='target_url', help="swagger api地址")
     parser.add_argument("-i", "--ip", dest='proxy_ip', default='127.0.0.1', help="proxy ip")
     parser.add_argument("-p", "--port", dest='proxy_port', default='7777', help="proxy port")
     parser.add_argument("-t", "--threads", dest='exploit_threads', default=10, help="线程数目，默认是10")