diff --git a/ProxyCat_v1.2.py b/ProxyCat_v1.3.py
similarity index 92%
rename from ProxyCat_v1.2.py
rename to ProxyCat_v1.3.py
index cf4b22f..bfd04ce 100644
--- a/ProxyCat_v1.2.py
+++ b/ProxyCat_v1.3.py
@@ -1,23 +1,25 @@
 from http.server import BaseHTTPRequestHandler, HTTPServer
 from concurrent.futures import ThreadPoolExecutor
-from httpx import AsyncClient
+from httpx import AsyncClient, Limits
 import multiprocessing
-import logoprint
 import threading
+import logoprint
 import argparse
 import asyncio
 import logging
 import socket
 import select
 import base64
-import httpx
 import getip
 import socks
+import httpx
 import time
+import random
 
 logging.basicConfig(level=logging.INFO)
 proxy_index, rotate_mode, rotate_interval = 0, 'cycle', 60
 proxy_fail_count = {}
+cache = {}
 
 def load_proxies(file_path='ip.txt'):
     with open(file_path, 'r') as file:
@@ -49,7 +51,8 @@ proxies = []
 
 class ProxyHTTPRequestHandler(BaseHTTPRequestHandler):
     def __init__(self, *args, **kwargs):
-        self.client = AsyncClient(http2=True, timeout=httpx.Timeout(10.0, read=30.0))
+        self.client = AsyncClient(http2=True, timeout=httpx.Timeout(30.0, read=30.0), limits=Limits(max_connections=500))
+        self.tunnel_established = False
         super().__init__(*args, **kwargs)
 
     def _update_proxy(self):
@@ -58,7 +61,7 @@ class ProxyHTTPRequestHandler(BaseHTTPRequestHandler):
             if args.k:
                 proxies.clear()
                 proxies.extend(get_proxy_from_getip())
-            proxy_index = (proxy_index + 1) % len(proxies)
+            proxy_index = random.randint(0, len(proxies) - 1)
             logging.info(f"切换到代理地址: {proxies[proxy_index]}")
         protocol, host, port = proxies[proxy_index]
         self.proxy_dict = {"http://": f"{protocol}://{host}:{port}", "https://": f"{protocol}://{host}:{port}"}
@@ -137,14 +140,14 @@ class ProxyHTTPRequestHandler(BaseHTTPRequestHandler):
                 if new_proxies:
                     proxies.clear()
                     proxies.extend(new_proxies)
-                    proxy_index = (proxy_index + 1) % len(proxies)
+                    proxy_index = random.randint(0, len(proxies) - 1)
                     logging.info(f"切换到新代理地址: {proxies[proxy_index]}")
                 else:
                     logging.warning("无法获取新代理，继续使用原代理")
                     proxy_index = original_proxy_index 
             else:
                 if rotate_mode == 'cycle':
-                    proxy_index = (proxy_index + 1) % len(proxies)
+                    proxy_index = random.randint(0, len(proxies) - 1)
                 elif rotate_mode == 'once' and proxy_index < len(proxies) - 1:
                     proxy_index += 1
                 logging.info(f"切换到代理地址: {proxies[proxy_index]}")
@@ -167,11 +170,17 @@ class ProxyHTTPRequestHandler(BaseHTTPRequestHandler):
         self._update_proxy()
         host, port = self.path.split(':')
         try:
-            remote_socket = self._connect_via_proxy(host, int(port))
-            self.send_response(200, 'Connection Established')
-            self.send_header('Connection', 'keep-alive')
-            self.end_headers()
-            self._forward_data(self.connection, remote_socket)
+            if not self.tunnel_established: 
+                remote_socket = self._connect_via_proxy(host, int(port))
+                self.tunnel_established = True
+                self.send_response(200, 'Connection Established')
+                self.send_header('Connection', 'keep-alive')
+                self.end_headers()
+                self._forward_data(self.connection, remote_socket)
+            else:
+                self.send_response(200, 'Connection Already Established')
+                self.send_header('Connection', 'keep-alive')
+                self.end_headers()
         except (socket.error, Exception) as e:
             logging.error(f"隧道请求失败: {e}")
             self._handle_proxy_failure()
@@ -280,4 +289,4 @@ if __name__ == '__main__':
     args = parser.parse_args()
     username, password = args.up.split(':')
     print_icpscan_banner(port=args.p, mode=args.m, interval=args.t, username=username, password=password)
-    run(port=args.p, mode=args.m, interval=args.t, username=username, password=password, use_getip=args.k)
+    run(port=args.p, mode=args.m, interval=args.t, username=username, password=password, use_getip=args.k)
\ No newline at end of file
diff --git a/README.md b/README.md
index 946134b..a0e35dc 100644
--- a/README.md
+++ b/README.md
@@ -91,12 +91,22 @@ ZZZzz /,`.-'`'    -.  ;-;;,_
 
 - [x] 增加静态代理自动获取更新模块，从而永久运行
 
+- [ ] 增加负载均衡模式，同时使用大量代理地址发送，从而有效提高并发效率
+
   如果您有好的idea，或者使用过程中遇到的bug，都请辛苦您添加作者联系方式进行反馈！
 
   微信公众号：樱花庄的本间白猫
 
 ## 七、更新日志
 
+**2024/08/25**
+
+1. 读取ip.txt时自动跳过空行
+2. httpx更换为并发池，提高性能
+3. 增加缓冲字典，相同站点降低延迟
+4. 每次请求更换IP逻辑修改为，随机选择代理
+5. 采用更加高效的结构和算法，优化请求处理逻辑
+
 **2024/08/24**
 
 1. 采用异步方案提高并发能力和减少超时
diff --git a/getip.py b/getip.py
index 600ff6b..4236a5c 100644
--- a/getip.py
+++ b/getip.py
@@ -5,7 +5,7 @@ def newip():
     url = ""
     response = requests.get(url)
     response.raise_for_status()
-    newip = "socks5://"+response.text.split("\n")[0]
+    newip = "socks5://"+response.text.split("\n\r")[0]
     print("新的代理IP为:"+newip)
     return newip