diff --git a/huobi/connection/impl/restapi_invoker.py b/huobi/connection/impl/restapi_invoker.py
index 4466abfd..f13898a0 100644
--- a/huobi/connection/impl/restapi_invoker.py
+++ b/huobi/connection/impl/restapi_invoker.py
@@ -50,7 +50,7 @@ def check_response(dict_data):
 def call_sync(request, is_checked=False):
     if request.method == "GET":
         # print("call_sync url : " , request.host + request.url)
-        response = session.get(request.host + request.url, headers=request.header)
+        response = session.get(request.host + request.url, headers=request.header, timeout=(2,10))
         if is_checked is True:
             return response.text
         dict_data = json.loads(response.text, encoding="utf-8")
@@ -59,7 +59,7 @@ def call_sync(request, is_checked=False):
         return request.json_parser(dict_data)
 
     elif request.method == "POST":
-        response = session.post(request.host + request.url, data=json.dumps(request.post_body), headers=request.header)
+        response = session.post(request.host + request.url, data=json.dumps(request.post_body), headers=request.header, timeout=(2,10))
         dict_data = json.loads(response.text, encoding="utf-8")
         # print("call_sync  === recv data : ", dict_data)
         check_response(dict_data)
diff --git a/huobi/connection/restapi_sync_client.py b/huobi/connection/restapi_sync_client.py
index 22e2207e..d4f9b312 100644
--- a/huobi/connection/restapi_sync_client.py
+++ b/huobi/connection/restapi_sync_client.py
@@ -7,8 +7,6 @@
 
 from huobi.exception.huobi_api_exception import HuobiApiException
 
-
-
 class RestApiSyncClient(object):
 
     def __init__(self, **kwargs):