diff --git a/mswp.py b/mswp.py
index 9cb999a..fb7cf22 100644
--- a/mswp.py
+++ b/mswp.py
@@ -21,10 +21,13 @@ class Datapack:
             heads += i.encode() + b': ' + self.head[i].encode() + b'\n'
         self.encode_data = first_line + b'\n' + heads + b'\n' + self.body
 
-    def decode(self):
+    def decode(self, only_head=False):
         index = self.encode_data.index(b'\n\n')
         upper = self.encode_data[:index]
-        self.body = self.encode_data[index+2:]
+        if not only_head:
+            self.body = self.encode_data[index+2:]
+        else:
+            self.body = b''
         upper = upper.decode()
         heads = upper.split('\n')
         first_line = heads.pop(0)
@@ -32,6 +35,9 @@ class Datapack:
         for line in heads:
             i, ii = line.split(': ')
             self.head[i] = ii
+        if only_head:
+            return self.encode_data[index+2:]
+
         
 def split_dp_data(data):
     pass
diff --git a/plugins/net.py b/plugins/net.py
index 2026e71..7d113ee 100644
--- a/plugins/net.py
+++ b/plugins/net.py
@@ -1,6 +1,7 @@
 import threading
 import socket
 import queue
+import time
 from mswp import Datapack
 from forwarder import receive_queues, send_queue
 from config import jsondata
@@ -68,15 +69,34 @@ class Netrecv:
 
     def process_connection(self, conn, addr):
         print('Connection accpet %s' % str(addr))
+        data = b''
         while True:
-            data = conn.recv(RECV_BUFF)  # here needs to check whether the package is continued
-            if not data:
+            new_data = conn.recv(RECV_BUFF)  # here needs to check whether the package is continued
+            if not new_data:
                 conn.close()
                 return
-            dp = Datapack(check_head=False)
-            dp.encode_data = data
-            dp.decode()
-
+            data += new_data
+            while True:
+                dp = Datapack(check_head=False)
+                dp.encode_data = data
+                try:
+                    data = dp.decode(only_head=True)
+                except Exception as e:
+                    print('Decode error %s: %s' % (type(e), str(e)))
+                    print('Stop and start to receive more data')
+                    break
+                length = int(dp.head['length'])
+                if length > len(data):
+                    print('No enougth data, stop and start to receive')
+                    break
+                dp.body = data[:length]  # get the body
+                data = data[length:]
+                time.sleep(1)
+                dp.encode()
+                print(dp.body)
+                print('---------------\n'+dp.encode_data.decode()+'\n---------------')
+                if not data:
+                    break
 
 
 class Netlist:  # contain net list and network controller
@@ -141,9 +161,5 @@ class Netlist:  # contain net list and network controller
             print('Sending %s error, data will be DROP!!' % data[0:10])
 
 
-
-
-
-
 thread = threading.Thread(target=main, args=())
 thread.start()
diff --git a/test_file.py b/test_file.py
index 6ff2750..564a3a3 100644
--- a/test_file.py
+++ b/test_file.py
@@ -2,21 +2,13 @@ import socket
 
 data = '''post log msw/1.0
 from: network
-flag: aaaaa
-length: 15
-part_length: 7
-num: 1
+flag: abcdefgh
+num: 1/2
+lengt'''
 
-hello, '''
+data2 = '''h: 3
 
-data2 = '''post log msw/1.0
-from: network
-flag: aaaaa
-part_length: 8
-length: 15
-num: 2
-
-network!'''
+abc'''
 
 data = data.encode()
 data2 = data2.encode()