diff --git a/a8/tcpclient2.cc b/a8/tcpclient2.cc
index e461d7b..1342e38 100644
--- a/a8/tcpclient2.cc
+++ b/a8/tcpclient2.cc
@@ -51,7 +51,7 @@ namespace a8
 
     bool TcpClient2::IsActive()
     {
-        return socket_ != a8::INVALID_SOCKET;
+        return socket__ != a8::INVALID_SOCKET;
     }
 
     bool TcpClient2::Connected()
@@ -100,6 +100,25 @@ namespace a8
             }
             return false;
         }
+        //set nodelay
+        {
+          int flag = 1;
+          int ret = ::setsockopt(socket_,
+                                 IPPROTO_TCP,
+                                 TCP_NODELAY,
+                                 (char *)&flag,
+                                 sizeof(flag));
+          assert(ret >= 0);
+          if (ret < 0) {
+            abort();
+          }
+        }
+        //set nonblock
+        {
+          int flags = 0;
+          flags = ::fcntl(socket_, F_GETFL, 0);
+          ::fcntl(socket_, F_SETFL, flags|O_NONBLOCK);
+        }
         sockaddr_in sa;
         memset(&sa, 0, sizeof(sa));
         sa.sin_family = AF_INET;