diff --git a/vnpy/gateway/ctp/ctp_gateway.py b/vnpy/gateway/ctp/ctp_gateway.py
index 32959767..c69bb1d5 100644
--- a/vnpy/gateway/ctp/ctp_gateway.py
+++ b/vnpy/gateway/ctp/ctp_gateway.py
@@ -156,14 +156,14 @@ class CtpGateway(BaseGateway):
         product_info = setting["产品信息"]
 
         if (
-            (not td_address.startswith("tcp://")) and 
-            (not td_address.startswith("ssl://"))
+            (not td_address.startswith("tcp://"))
+            and (not td_address.startswith("ssl://"))
         ):
             td_address = "tcp://" + td_address
 
         if (
-            (not md_address.startswith("tcp://")) and
-            (not md_address.startswith("ssl://"))
+            (not md_address.startswith("tcp://"))
+            and (not md_address.startswith("ssl://"))
         ):
             md_address = "tcp://" + md_address
 
diff --git a/vnpy/gateway/ctptest/ctptest_gateway.py b/vnpy/gateway/ctptest/ctptest_gateway.py
index 1d109eae..3d83dd8d 100644
--- a/vnpy/gateway/ctptest/ctptest_gateway.py
+++ b/vnpy/gateway/ctptest/ctptest_gateway.py
@@ -156,14 +156,14 @@ class CtptestGateway(BaseGateway):
         product_info = setting["产品信息"]
 
         if (
-            (not td_address.startswith("tcp://")) and 
-            (not td_address.startswith("ssl://"))
+            (not td_address.startswith("tcp://"))
+            and (not td_address.startswith("ssl://"))
         ):
             td_address = "tcp://" + td_address
 
         if (
-            (not md_address.startswith("tcp://")) and
-            (not md_address.startswith("ssl://"))
+            (not md_address.startswith("tcp://"))
+            and (not md_address.startswith("ssl://"))
         ):
             md_address = "tcp://" + md_address
 
diff --git a/vnpy/trader/rqdata.py b/vnpy/trader/rqdata.py
index 1feed7a0..0e793952 100644
--- a/vnpy/trader/rqdata.py
+++ b/vnpy/trader/rqdata.py
@@ -50,7 +50,7 @@ class RqdataClient:
             return False
 
         rqdata_init(
-            self.username, 
+            self.username,
             self.password,
             ('rqdatad-pro.ricequant.com', 16011),
             use_pool=True