diff --git a/沙发速运/tools/tool.py b/沙发速运/tools/tool.py
new file mode 100644
index 0000000..e36224b
--- /dev/null
+++ b/沙发速运/tools/tool.py
@@ -0,0 +1,89 @@
+#!/usr/bin/python3
+# -- coding: utf-8 --
+# -------------------------------
+# @Author : github@limoruirui https://github.com/limoruirui
+# @Time : 2022/8/22 17:56
+# -------------------------------
+"""
+封装一些工具
+"""
+from hashlib import md5 as md5Encode, sha1 as sha1Encode
+from hmac import new
+from random import choice, randint
+from string import digits, ascii_lowercase, ascii_uppercase
+from time import sleep, time
+from datetime import datetime, timedelta
+from sys import stdout
+from os import environ
+from json import load
+
+
+# 生成随机字符串
+def uuid(num, upper=False):
+    str = ''
+    if upper:
+        for i in range(num):
+            str += choice(digits + ascii_lowercase + ascii_uppercase)
+    else:
+        for i in range(num):
+            str += choice(digits + ascii_lowercase)
+    return str
+
+
+# 修改print方法 避免某些环境下python执行print 不会去刷新缓存区导致信息第一时间不及时输出
+def print_now(content):
+    print(content)
+    stdout.flush()
+
+
+def get_ua():
+    with open("../user_agent.json", "rb") as f:
+        ua_list = load(f)["Chrome"]
+    ua = choice(ua_list)
+    return ua
+
+
+# 随机休眠时长 若为0时区 TimeZone为真
+def random_sleep(min_time=300, max_time=5400, TimeZone=True):
+    random_time = randint(min_time, max_time)
+    print_now(f"随机等待{random_time}秒")
+    sleep(random_time)
+    now_time = (datetime.now() + timedelta(hours=8)).__format__("%Y-%m-%d %H:%M:%S")
+    if TimeZone:
+        now_time = (datetime.now()).__format__("%Y-%m-%d %H:%M:%S")
+    print_now(f"等待结束.开始执行 现在时间是------{now_time} ------------")
+
+
+def timestamp(short=False):
+    if short:
+        return int(round(time()))
+    return int(round(time() * 1000))
+
+
+# md5
+def md5(data):
+    if isinstance(data, str):
+        data = data.encode("utf8")
+    m = md5Encode(data)
+    return m.hexdigest()
+
+def sha1(data):
+    if isinstance(data, str):
+        data = data.encode("utf8")
+    elif isinstance(data, list):
+        data = bytes(data)
+    m = sha1Encode(data)
+    return m.hexdigest()
+# hmac sha1
+def hmac_sha1(data, key):
+    hmac_code = new(key.encode(), data.encode(), sha1Encode)
+    return hmac_code.hexdigest()
+
+
+# 封装读取环境变量的方法
+def get_environ(key, default="", output=True):
+    def no_read():
+        if output:
+            print_now(f"未填写环境变量 {key} 请添加")
+        return default
+    return environ.get(key) if environ.get(key) else no_read()