diff --git a/server.py b/server.py
index 88f972c..3f9e3d5 100755
--- a/server.py
+++ b/server.py
@@ -3,18 +3,17 @@
 import socketserver
 import subprocess
 import pickle
-
-
-offs = 0  # 偏移量
-p = {}
-# 保存终端信息，ccid与地址对
-# p={ccid=addr,}
-# 缓存未能正常发送消息的客户端
-pp = {}
-# cache={}
 from collections import defaultdict
 
 cache = defaultdict(list)
+offs = 0  # 偏移量
+
+# 保存终端信息，ccid=地址
+p = {}
+# 地址 ==ccid
+pp = {}
+
+
 
 
 def save_cache(dic):
@@ -92,15 +91,6 @@ def get_ccid(addr):
 +--------+--------------+----------+----------+--------------+------------------------+--------+
 """
 
-
-def send(fd, data):
-    try:
-        fd.send(data)
-        return 0
-    except:
-        return -1
-
-
 def tt_hh(addr, data):
     """处理心跳"""
 
@@ -119,15 +109,11 @@ def tt_hh(addr, data):
             try:
                 # 按缓存先后顺序发送
                 addr.send(msgs[i])
+                # 成功则清空已发送成功的缓存数据
                 cache[ccid].pop(0)
                 print("第",i+1,"包缓存数据发送完成。")
             except:
                 # 异常时退出循环，不用再尝试发送后续msgs
-                # 退出前清空已发送成功的缓存数据
-                # del方法会改变list大小
-                # while i:
-                #     cache[ccid].pop(0)
-                #     i = i - 1
                 print("第",i+1,"包发送失败，停止尝试")
                 break
         if cache[ccid] == []:
@@ -187,14 +173,6 @@ def tt_trans(addr, data):
     return 0
 
 
-def err_handle(flag, addr):
-    """错误处理\n
-    默认打印错误信息
-    1-非法连接，关闭连接
-    """
-
-    return 0
-
 def data_split(data):
     # 按帧头分割长数据
 
@@ -252,15 +230,12 @@ class MyServer(socketserver.BaseRequestHandler):
         # print(type(conn),conn.fd)
 
         while True:
-            data = conn.recv(1000000)
-            # update_pairs(conn,data[7+offs:11+offs])
+            data = conn.recv(1024000)
             if not data:
                 break
             print(
                 "接收到新数据", self.client_address, "，长度", len(data), "：\r\n", data.hex(" ")
             )
-            # ack_msg = "got from "+ str(ip) + " to " + str(self.client_address) + data
-            # conn.send(data[:6])
             if tt_decode(conn, data):
                 conn.close()
                 print(self.client_address, "疑是非法连接，已切断。")