diff --git a/c b/c
deleted file mode 100755
index 4668f58..0000000
Binary files a/c and /dev/null differ
diff --git a/cli.py b/cli.py
index e48c767..da60930 100644
--- a/cli.py
+++ b/cli.py
@@ -18,7 +18,11 @@ s.connect((host, port))
 
 tex = "this is test"
 s.send(tex.encode('utf-8'))
-msg = s.recv(1024)
+msg1 = s.recv(1024)
+print (msg1.decode('utf-8'))
+s.send(tex.encode('utf-8'))
+msg2 = s.recv(1024)
+print (msg2.decode('utf-8'))
 s.close()
 
-print (msg.decode('utf-8'))
+
diff --git a/s b/s
deleted file mode 100755
index 61fd444..0000000
Binary files a/s and /dev/null differ
diff --git a/ser.py b/ser.py
index 92cc8d8..dca6c87 100644
--- a/ser.py
+++ b/ser.py
@@ -19,7 +19,9 @@ serversocket.listen(5)
 while True:
     clientsocket,addr = serversocket.accept()
     print("连接地址: %s" % str(addr))
-    masg='欢迎访问菜鸟教程！'+ "\r\n"
-    msg = clientsocket.recv(1024)
-    clientsocket.send(msg)
+    msg1 = clientsocket.recv(1024)
+    clientsocket.send(msg1)
+    msg2 = clientsocket.recv(1024)
+    clientsocket.send(msg2)
+
     clientsocket.close()