diff --git a/Module/Communication.py b/Core/Communication.py
similarity index 67%
rename from Module/Communication.py
rename to Core/Communication.py
index 92dd3fa..72fd559 100644
--- a/Module/Communication.py
+++ b/Core/Communication.py
@@ -8,7 +8,8 @@ class tcp():
     def __init__(self):
         self.init_tcp = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 
-    def server(self, Host="0.0.0.0", Port=5000):
+    def server(self, Host="0.0.0.0",
+               Port=5000, Charset="utf8", end_of_message=True):
         """
         接受檔案傳送過來
         """
@@ -21,12 +22,16 @@ def server(self, Host="0.0.0.0", Port=5000):
                 with conn:
                     while True:
                         data = conn.recv(4096)
-                        if not data:
+                        decode_data = data.decode(Charset)
+                        if not data or decode_data == "None":
                             break
                         else:
-                            yield data.decode('utf8')
+                            yield decode_data
+                if end_of_message and decode_data == "None":
+                    break
 
-    def client(self, Host="127.0.0.1", Port=5000, message="test"):
+    def client(self, Host="127.0.0.1", Port=5000, message="test",
+               Charset="utf8"):
         with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as client:
             client.connect((Host, Port))
-            client.sendall(message.encode('utf8'))
+            client.sendall(message.encode(Charset))
diff --git a/Core/Talk.py b/Core/Talk.py
new file mode 100644
index 0000000..cc74f5c
--- /dev/null
+++ b/Core/Talk.py
@@ -0,0 +1,34 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+# coding = UTF-8
+from .Communication import tcp
+
+tcp = tcp()
+
+
+class talk():
+    def __init__(self):
+        self.version = "0.0.1"
+
+    def accept_message(self, host="0.0.0.0", port=5000, charset="utf8",
+                       end_of_message=True):
+        data = tcp.server(Host=host, Port=port,
+                          Charset=charset, end_of_message=end_of_message)
+        while True:
+            message = next(data)
+            if message == "None":
+                yield None
+                break
+            else:
+                yield message
+
+    def send_message(self, host="127.0.0.1", port=5000, charset="utf8"):
+        while True:
+            message = str(input("You:"))
+            tcp.client(Host=host, Port=port,
+                       message=message, Charset=charset)
+            if message == "None":
+                yield None
+                break
+            else:
+                yield True
diff --git a/Module/__init__.py b/Core/__init__.py
similarity index 100%
rename from Module/__init__.py
rename to Core/__init__.py
diff --git a/Module/File.py b/ExpandApplication/File.py
similarity index 100%
rename from Module/File.py
rename to ExpandApplication/File.py
diff --git a/ExpandApplication/__init__.py b/ExpandApplication/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/PyTalk.py b/PyTalk.py
new file mode 100644
index 0000000..dd20108
--- /dev/null
+++ b/PyTalk.py
@@ -0,0 +1,79 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+# coding = UTF-8
+from Core.Talk import talk
+from argparse import ArgumentParser
+
+talk = talk()
+
+
+class pytalk():
+    def __init__(self, mode="client",
+                 host="127.0.0.1",
+                 port=5000,
+                 charset="utf8",
+                 end_of_message=True):
+        self.mode = mode
+        if mode != "client" and mode != "server":
+            raise ValueError('Not is client or server')
+
+        self.accept_message = talk.accept_message(
+                host=host, port=port, charset=charset,
+                end_of_message=end_of_message)
+
+        self.send_message = talk.send_message(host=host,
+                                              port=port,
+                                              charset=charset)
+
+    def accept(self):
+        while True:
+            print(next(self.accept_message))
+
+    def send(self):
+        while True:
+            next(self.send_message)
+
+    @property
+    def runtalk(self):
+        if self.mode == "client":
+            self.send()
+        elif self.mode == "server":
+            self.accept()
+
+
+if __name__ == '__main__':
+    parser = ArgumentParser()
+
+    parser.add_argument('-m', '--mode', default='client',
+                        type=str,
+                        help="Use mode server or client, default is client",
+                        dest="mode")
+
+    parser.add_argument('-s', '--server', default='127.0.0.1',
+                        type=str,
+                        help="Host name or IP address of your server.",
+                        dest="host")
+
+    parser.add_argument('-p', '--port', default=2000,
+                        type=int,
+                        help='Port number of your server.',
+                        dest="port")
+
+    parser.add_argument(
+        '--end_of_message', default=True,
+        type=bool,
+        help='When the message is the end command, used for the server.',
+        dest='end_of_message'
+        )
+
+    parser.add_argument('--charset', default="utf8",
+                        type=str,
+                        help='Encoding format.',
+                        dest='charset'
+                        )
+
+    args = parser.parse_args()
+
+    pytalk = pytalk(mode=args.mode, host=args.host, port=args.port,
+                    charset=args.charset, end_of_message=args.end_of_message)
+    pytalk.runtalk
diff --git a/talk_client.py b/talk_client.py
deleted file mode 100644
index 14b4f71..0000000
--- a/talk_client.py
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-# coding = UTF-8
-from Module.Communication import tcp
-
-
-tcp = tcp()
-server_host = str(input("Server Host:"))
-server_port = int(input("Server Port:"))
-while True:
-    message = str(input("Key Your Message:"))
-    if message == "None":
-        print("exit")
-    else:
-        tcp.client(Host=server_host, Port=server_port, message=message)
-        print(message)
diff --git a/talk_server.py b/talk_server.py
deleted file mode 100644
index 82ff268..0000000
--- a/talk_server.py
+++ /dev/null
@@ -1,14 +0,0 @@
-#!/usr/bin/python
-# -*- coding: utf-8 -*-
-# coding = UTF-8
-from Module.Communication import tcp
-
-tcp = tcp()
-server_host, server_port = "0.0.0.0", 5000
-data = tcp.server(Host=server_host, Port=server_port)
-while True:
-    message = next(data)
-    if message == "None":
-        break
-    else:
-        print(message)